<QC Comment="Quality check run by the RGP Dream Team"
    Date="2011-03-15 00:00:00"
    DayOfYear="74"
    Year="2011">
  <station name="VFCH">
    <file name="/vfch0740.11o"
          error="0"
          interval="30"
          session="0">
      <control date="Wed Mar 16 17:54:21 2011"
               level="3">
        <file_statistics latency="01:11:06"
                         size="6966831"
                         time_creation="Wed Mar 16 01:16:20 2011"
                         time_modification="Wed Mar 16 01:10:36 2011" />
        <observations epoch_first="Tue Mar 15 00:00:00 2011"
                      epoch_last="Tue Mar 15 23:59:30 2011"
                      epochs="2880"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="29307"
                obs_have="28693"
                obs_ratio="97.90" />
          <mask elevation="10 degrees"
                obs_expected="24553"
                obs_have="24523"
                obs_ratio="99.88" />
          <mask elevation="15 degrees"
                obs_expected="21738"
                obs_have="21737"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Thu Apr 14 04:27:11 2011"
               level="3">
        <file_statistics latency="01:11:06"
                         size="6966831"
                         time_creation="Tue Apr 12 00:55:19 2011"
                         time_modification="Wed Mar 16 01:10:36 2011" />
        <observations epoch_first="Tue Mar 15 00:00:00 2011"
                      epoch_last="Tue Mar 15 23:59:30 2011"
                      epochs="2880"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="29307"
                obs_have="28693"
                obs_ratio="97.90" />
          <mask elevation="10 degrees"
                obs_expected="24553"
                obs_have="24523"
                obs_ratio="99.88" />
          <mask elevation="15 degrees"
                obs_expected="21738"
                obs_have="21737"
                obs_ratio="100.00" />
        </observations>
      </control>
    </file>
    <file name="/vfch074a.11o"
          error="0"
          interval="1"
          session="a">
      <control date="Tue Mar 15 01:18:21 2011"
               level="3">
        <file_statistics latency="00:02:02"
                         size="8284130"
                         time_creation="Tue Mar 15 01:06:08 2011"
                         time_modification="Tue Mar 15 01:02:01 2011" />
        <observations epoch_first="Tue Mar 15 00:00:00 2011"
                      epoch_last="Tue Mar 15 00:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="35660"
                obs_have="34283"
                obs_ratio="96.14" />
          <mask elevation="10 degrees"
                obs_expected="25819"
                obs_have="25745"
                obs_ratio="99.71" />
          <mask elevation="15 degrees"
                obs_expected="22336"
                obs_have="22336"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Mar 15 01:43:52 2011"
               level="3">
        <file_statistics latency="00:02:02"
                         size="8284130"
                         time_creation="Tue Mar 15 01:06:08 2011"
                         time_modification="Tue Mar 15 01:02:01 2011" />
        <observations epoch_first="Tue Mar 15 00:00:00 2011"
                      epoch_last="Tue Mar 15 00:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="35660"
                obs_have="34283"
                obs_ratio="96.14" />
          <mask elevation="10 degrees"
                obs_expected="25819"
                obs_have="25745"
                obs_ratio="99.71" />
          <mask elevation="15 degrees"
                obs_expected="22336"
                obs_have="22336"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Mar 15 03:29:08 2011"
               level="3">
        <file_statistics latency="00:02:02"
                         size="8284130"
                         time_creation="Tue Mar 15 01:06:08 2011"
                         time_modification="Tue Mar 15 01:02:01 2011" />
        <observations epoch_first="Tue Mar 15 00:00:00 2011"
                      epoch_last="Tue Mar 15 00:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="35660"
                obs_have="34283"
                obs_ratio="96.14" />
          <mask elevation="10 degrees"
                obs_expected="25819"
                obs_have="25745"
                obs_ratio="99.71" />
          <mask elevation="15 degrees"
                obs_expected="22336"
                obs_have="22336"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Wed Mar 16 17:37:24 2011"
               level="3">
        <file_statistics latency="00:02:02"
                         size="8284130"
                         time_creation="Tue Mar 15 01:06:08 2011"
                         time_modification="Tue Mar 15 01:02:01 2011" />
        <observations epoch_first="Tue Mar 15 00:00:00 2011"
                      epoch_last="Tue Mar 15 00:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="35660"
                obs_have="34283"
                obs_ratio="96.14" />
          <mask elevation="10 degrees"
                obs_expected="25819"
                obs_have="25745"
                obs_ratio="99.71" />
          <mask elevation="15 degrees"
                obs_expected="22336"
                obs_have="22336"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Thu Apr 14 04:07:34 2011"
               level="3">
        <file_statistics latency="00:02:02"
                         size="8284130"
                         time_creation="Tue Apr 12 00:54:27 2011"
                         time_modification="Tue Mar 15 01:02:01 2011" />
        <observations epoch_first="Tue Mar 15 00:00:00 2011"
                      epoch_last="Tue Mar 15 00:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="35660"
                obs_have="34283"
                obs_ratio="96.14" />
          <mask elevation="10 degrees"
                obs_expected="25819"
                obs_have="25745"
                obs_ratio="99.71" />
          <mask elevation="15 degrees"
                obs_expected="22336"
                obs_have="22336"
                obs_ratio="100.00" />
        </observations>
      </control>
    </file>
    <file name="/vfch074b.11o"
          error="0"
          interval="1"
          session="b">
      <control date="Tue Mar 15 02:18:18 2011"
               level="3">
        <file_statistics latency="00:02:06"
                         size="8722796"
                         time_creation="Tue Mar 15 02:06:09 2011"
                         time_modification="Tue Mar 15 02:02:05 2011" />
        <observations epoch_first="Tue Mar 15 01:00:00 2011"
                      epoch_last="Tue Mar 15 01:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="36248"
                obs_have="35635"
                obs_ratio="98.31" />
          <mask elevation="10 degrees"
                obs_expected="27926"
                obs_have="27923"
                obs_ratio="99.99" />
          <mask elevation="15 degrees"
                obs_expected="23476"
                obs_have="23473"
                obs_ratio="99.99" />
        </observations>
      </control>
      <control date="Tue Mar 15 02:43:17 2011"
               level="3">
        <file_statistics latency="00:02:06"
                         size="8722796"
                         time_creation="Tue Mar 15 02:06:09 2011"
                         time_modification="Tue Mar 15 02:02:05 2011" />
        <observations epoch_first="Tue Mar 15 01:00:00 2011"
                      epoch_last="Tue Mar 15 01:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="36248"
                obs_have="35635"
                obs_ratio="98.31" />
          <mask elevation="10 degrees"
                obs_expected="27926"
                obs_have="27923"
                obs_ratio="99.99" />
          <mask elevation="15 degrees"
                obs_expected="23476"
                obs_have="23473"
                obs_ratio="99.99" />
        </observations>
      </control>
      <control date="Tue Mar 15 04:30:33 2011"
               level="3">
        <file_statistics latency="00:02:06"
                         size="8722796"
                         time_creation="Tue Mar 15 02:06:09 2011"
                         time_modification="Tue Mar 15 02:02:05 2011" />
        <observations epoch_first="Tue Mar 15 01:00:00 2011"
                      epoch_last="Tue Mar 15 01:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="36248"
                obs_have="35635"
                obs_ratio="98.31" />
          <mask elevation="10 degrees"
                obs_expected="27926"
                obs_have="27923"
                obs_ratio="99.99" />
          <mask elevation="15 degrees"
                obs_expected="23476"
                obs_have="23473"
                obs_ratio="99.99" />
        </observations>
      </control>
      <control date="Wed Mar 16 17:37:24 2011"
               level="3">
        <file_statistics latency="00:02:06"
                         size="8722796"
                         time_creation="Tue Mar 15 02:06:09 2011"
                         time_modification="Tue Mar 15 02:02:05 2011" />
        <observations epoch_first="Tue Mar 15 01:00:00 2011"
                      epoch_last="Tue Mar 15 01:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="36248"
                obs_have="35635"
                obs_ratio="98.31" />
          <mask elevation="10 degrees"
                obs_expected="27926"
                obs_have="27923"
                obs_ratio="99.99" />
          <mask elevation="15 degrees"
                obs_expected="23476"
                obs_have="23473"
                obs_ratio="99.99" />
        </observations>
      </control>
      <control date="Thu Apr 14 04:07:34 2011"
               level="3">
        <file_statistics latency="00:02:06"
                         size="8722796"
                         time_creation="Tue Apr 12 00:54:27 2011"
                         time_modification="Tue Mar 15 02:02:05 2011" />
        <observations epoch_first="Tue Mar 15 01:00:00 2011"
                      epoch_last="Tue Mar 15 01:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="36248"
                obs_have="35635"
                obs_ratio="98.31" />
          <mask elevation="10 degrees"
                obs_expected="27926"
                obs_have="27923"
                obs_ratio="99.99" />
          <mask elevation="15 degrees"
                obs_expected="23476"
                obs_have="23473"
                obs_ratio="99.99" />
        </observations>
      </control>
    </file>
    <file name="/vfch074c.11o"
          error="0"
          interval="1"
          session="c">
      <control date="Tue Mar 15 03:18:23 2011"
               level="3">
        <file_statistics latency="00:02:08"
                         size="8470246"
                         time_creation="Tue Mar 15 03:06:13 2011"
                         time_modification="Tue Mar 15 03:02:07 2011" />
        <observations epoch_first="Tue Mar 15 02:00:00 2011"
                      epoch_last="Tue Mar 15 02:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="38850"
                obs_have="37394"
                obs_ratio="96.25" />
          <mask elevation="10 degrees"
                obs_expected="29799"
                obs_have="29799"
                obs_ratio="100.00" />
          <mask elevation="15 degrees"
                obs_expected="26710"
                obs_have="26710"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Mar 15 03:45:34 2011"
               level="3">
        <file_statistics latency="00:02:08"
                         size="8470246"
                         time_creation="Tue Mar 15 03:06:13 2011"
                         time_modification="Tue Mar 15 03:02:07 2011" />
        <observations epoch_first="Tue Mar 15 02:00:00 2011"
                      epoch_last="Tue Mar 15 02:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="38850"
                obs_have="37394"
                obs_ratio="96.25" />
          <mask elevation="10 degrees"
                obs_expected="29799"
                obs_have="29799"
                obs_ratio="100.00" />
          <mask elevation="15 degrees"
                obs_expected="26710"
                obs_have="26710"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Mar 15 05:28:55 2011"
               level="3">
        <file_statistics latency="00:02:08"
                         size="8470246"
                         time_creation="Tue Mar 15 03:06:13 2011"
                         time_modification="Tue Mar 15 03:02:07 2011" />
        <observations epoch_first="Tue Mar 15 02:00:00 2011"
                      epoch_last="Tue Mar 15 02:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="38850"
                obs_have="37394"
                obs_ratio="96.25" />
          <mask elevation="10 degrees"
                obs_expected="29799"
                obs_have="29799"
                obs_ratio="100.00" />
          <mask elevation="15 degrees"
                obs_expected="26710"
                obs_have="26710"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Wed Mar 16 17:37:24 2011"
               level="3">
        <file_statistics latency="00:02:08"
                         size="8470246"
                         time_creation="Tue Mar 15 03:06:13 2011"
                         time_modification="Tue Mar 15 03:02:07 2011" />
        <observations epoch_first="Tue Mar 15 02:00:00 2011"
                      epoch_last="Tue Mar 15 02:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="38850"
                obs_have="37394"
                obs_ratio="96.25" />
          <mask elevation="10 degrees"
                obs_expected="29799"
                obs_have="29799"
                obs_ratio="100.00" />
          <mask elevation="15 degrees"
                obs_expected="26710"
                obs_have="26710"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Thu Apr 14 04:07:34 2011"
               level="3">
        <file_statistics latency="00:02:08"
                         size="8470246"
                         time_creation="Tue Apr 12 00:54:28 2011"
                         time_modification="Tue Mar 15 03:02:07 2011" />
        <observations epoch_first="Tue Mar 15 02:00:00 2011"
                      epoch_last="Tue Mar 15 02:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="38850"
                obs_have="37394"
                obs_ratio="96.25" />
          <mask elevation="10 degrees"
                obs_expected="29799"
                obs_have="29799"
                obs_ratio="100.00" />
          <mask elevation="15 degrees"
                obs_expected="26710"
                obs_have="26710"
                obs_ratio="100.00" />
        </observations>
      </control>
    </file>
    <file name="/vfch074d.11o"
          error="0"
          interval="1"
          session="d">
      <control date="Tue Mar 15 04:19:39 2011"
               level="3">
        <file_statistics latency="00:02:07"
                         size="8156286"
                         time_creation="Tue Mar 15 04:06:18 2011"
                         time_modification="Tue Mar 15 04:02:06 2011" />
        <observations epoch_first="Tue Mar 15 03:00:00 2011"
                      epoch_last="Tue Mar 15 03:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="35732"
                obs_have="35485"
                obs_ratio="99.31" />
          <mask elevation="10 degrees"
                obs_expected="30937"
                obs_have="30934"
                obs_ratio="99.99" />
          <mask elevation="15 degrees"
                obs_expected="26458"
                obs_have="26455"
                obs_ratio="99.99" />
        </observations>
      </control>
      <control date="Tue Mar 15 04:44:33 2011"
               level="3">
        <file_statistics latency="00:02:07"
                         size="8156286"
                         time_creation="Tue Mar 15 04:06:18 2011"
                         time_modification="Tue Mar 15 04:02:06 2011" />
        <observations epoch_first="Tue Mar 15 03:00:00 2011"
                      epoch_last="Tue Mar 15 03:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="35732"
                obs_have="35485"
                obs_ratio="99.31" />
          <mask elevation="10 degrees"
                obs_expected="30937"
                obs_have="30934"
                obs_ratio="99.99" />
          <mask elevation="15 degrees"
                obs_expected="26458"
                obs_have="26455"
                obs_ratio="99.99" />
        </observations>
      </control>
      <control date="Tue Mar 15 06:28:10 2011"
               level="3">
        <file_statistics latency="00:02:07"
                         size="8156286"
                         time_creation="Tue Mar 15 04:06:18 2011"
                         time_modification="Tue Mar 15 04:02:06 2011" />
        <observations epoch_first="Tue Mar 15 03:00:00 2011"
                      epoch_last="Tue Mar 15 03:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="35732"
                obs_have="35485"
                obs_ratio="99.31" />
          <mask elevation="10 degrees"
                obs_expected="30937"
                obs_have="30934"
                obs_ratio="99.99" />
          <mask elevation="15 degrees"
                obs_expected="26458"
                obs_have="26455"
                obs_ratio="99.99" />
        </observations>
      </control>
      <control date="Wed Mar 16 17:37:24 2011"
               level="3">
        <file_statistics latency="00:02:07"
                         size="8156286"
                         time_creation="Tue Mar 15 04:06:18 2011"
                         time_modification="Tue Mar 15 04:02:06 2011" />
        <observations epoch_first="Tue Mar 15 03:00:00 2011"
                      epoch_last="Tue Mar 15 03:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="35732"
                obs_have="35485"
                obs_ratio="99.31" />
          <mask elevation="10 degrees"
                obs_expected="30937"
                obs_have="30934"
                obs_ratio="99.99" />
          <mask elevation="15 degrees"
                obs_expected="26458"
                obs_have="26455"
                obs_ratio="99.99" />
        </observations>
      </control>
      <control date="Thu Apr 14 04:07:34 2011"
               level="3">
        <file_statistics latency="00:02:07"
                         size="8156286"
                         time_creation="Tue Apr 12 00:54:28 2011"
                         time_modification="Tue Mar 15 04:02:06 2011" />
        <observations epoch_first="Tue Mar 15 03:00:00 2011"
                      epoch_last="Tue Mar 15 03:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="35732"
                obs_have="35485"
                obs_ratio="99.31" />
          <mask elevation="10 degrees"
                obs_expected="30937"
                obs_have="30934"
                obs_ratio="99.99" />
          <mask elevation="15 degrees"
                obs_expected="26458"
                obs_have="26455"
                obs_ratio="99.99" />
        </observations>
      </control>
    </file>
    <file name="/vfch074e.11o"
          error="0"
          interval="1"
          session="e">
      <control date="Tue Mar 15 05:19:10 2011"
               level="3">
        <file_statistics latency="00:04:14"
                         size="8697576"
                         time_creation="Tue Mar 15 05:11:03 2011"
                         time_modification="Tue Mar 15 05:04:13 2011" />
        <observations epoch_first="Tue Mar 15 04:00:00 2011"
                      epoch_last="Tue Mar 15 04:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="38849"
                obs_have="38455"
                obs_ratio="98.99" />
          <mask elevation="10 degrees"
                obs_expected="32811"
                obs_have="32783"
                obs_ratio="99.91" />
          <mask elevation="15 degrees"
                obs_expected="31644"
                obs_have="31632"
                obs_ratio="99.96" />
        </observations>
      </control>
      <control date="Tue Mar 15 05:44:09 2011"
               level="3">
        <file_statistics latency="00:04:14"
                         size="8697576"
                         time_creation="Tue Mar 15 05:11:03 2011"
                         time_modification="Tue Mar 15 05:04:13 2011" />
        <observations epoch_first="Tue Mar 15 04:00:00 2011"
                      epoch_last="Tue Mar 15 04:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="38849"
                obs_have="38455"
                obs_ratio="98.99" />
          <mask elevation="10 degrees"
                obs_expected="32811"
                obs_have="32783"
                obs_ratio="99.91" />
          <mask elevation="15 degrees"
                obs_expected="31644"
                obs_have="31632"
                obs_ratio="99.96" />
        </observations>
      </control>
      <control date="Tue Mar 15 07:29:14 2011"
               level="3">
        <file_statistics latency="00:04:14"
                         size="8697576"
                         time_creation="Tue Mar 15 05:11:03 2011"
                         time_modification="Tue Mar 15 05:04:13 2011" />
        <observations epoch_first="Tue Mar 15 04:00:00 2011"
                      epoch_last="Tue Mar 15 04:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="38849"
                obs_have="38455"
                obs_ratio="98.99" />
          <mask elevation="10 degrees"
                obs_expected="32811"
                obs_have="32783"
                obs_ratio="99.91" />
          <mask elevation="15 degrees"
                obs_expected="31644"
                obs_have="31632"
                obs_ratio="99.96" />
        </observations>
      </control>
      <control date="Wed Mar 16 17:37:24 2011"
               level="3">
        <file_statistics latency="00:04:14"
                         size="8697576"
                         time_creation="Tue Mar 15 05:11:03 2011"
                         time_modification="Tue Mar 15 05:04:13 2011" />
        <observations epoch_first="Tue Mar 15 04:00:00 2011"
                      epoch_last="Tue Mar 15 04:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="38849"
                obs_have="38455"
                obs_ratio="98.99" />
          <mask elevation="10 degrees"
                obs_expected="32811"
                obs_have="32783"
                obs_ratio="99.91" />
          <mask elevation="15 degrees"
                obs_expected="31644"
                obs_have="31632"
                obs_ratio="99.96" />
        </observations>
      </control>
      <control date="Thu Apr 14 04:07:34 2011"
               level="3">
        <file_statistics latency="00:04:14"
                         size="8697576"
                         time_creation="Tue Apr 12 00:54:29 2011"
                         time_modification="Tue Mar 15 05:04:13 2011" />
        <observations epoch_first="Tue Mar 15 04:00:00 2011"
                      epoch_last="Tue Mar 15 04:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="38849"
                obs_have="38455"
                obs_ratio="98.99" />
          <mask elevation="10 degrees"
                obs_expected="32811"
                obs_have="32783"
                obs_ratio="99.91" />
          <mask elevation="15 degrees"
                obs_expected="31644"
                obs_have="31632"
                obs_ratio="99.96" />
        </observations>
      </control>
    </file>
    <file name="/vfch074f.11o"
          error="0"
          interval="1"
          session="f">
      <control date="Tue Mar 15 06:18:51 2011"
               level="3">
        <file_statistics latency="00:05:20"
                         size="9667753"
                         time_creation="Tue Mar 15 06:11:03 2011"
                         time_modification="Tue Mar 15 06:05:19 2011" />
        <observations epoch_first="Tue Mar 15 05:00:00 2011"
                      epoch_last="Tue Mar 15 05:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="46564"
                obs_have="44660"
                obs_ratio="95.91" />
          <mask elevation="10 degrees"
                obs_expected="35135"
                obs_have="34873"
                obs_ratio="99.25" />
          <mask elevation="15 degrees"
                obs_expected="26498"
                obs_have="26498"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Mar 15 06:43:47 2011"
               level="3">
        <file_statistics latency="00:05:20"
                         size="9667753"
                         time_creation="Tue Mar 15 06:11:03 2011"
                         time_modification="Tue Mar 15 06:05:19 2011" />
        <observations epoch_first="Tue Mar 15 05:00:00 2011"
                      epoch_last="Tue Mar 15 05:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="46564"
                obs_have="44660"
                obs_ratio="95.91" />
          <mask elevation="10 degrees"
                obs_expected="35135"
                obs_have="34873"
                obs_ratio="99.25" />
          <mask elevation="15 degrees"
                obs_expected="26498"
                obs_have="26498"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Mar 15 08:28:48 2011"
               level="3">
        <file_statistics latency="00:05:20"
                         size="9667753"
                         time_creation="Tue Mar 15 06:11:03 2011"
                         time_modification="Tue Mar 15 06:05:19 2011" />
        <observations epoch_first="Tue Mar 15 05:00:00 2011"
                      epoch_last="Tue Mar 15 05:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="46564"
                obs_have="44660"
                obs_ratio="95.91" />
          <mask elevation="10 degrees"
                obs_expected="35135"
                obs_have="34873"
                obs_ratio="99.25" />
          <mask elevation="15 degrees"
                obs_expected="26498"
                obs_have="26498"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Wed Mar 16 17:37:24 2011"
               level="3">
        <file_statistics latency="00:05:20"
                         size="9667753"
                         time_creation="Tue Mar 15 06:11:03 2011"
                         time_modification="Tue Mar 15 06:05:19 2011" />
        <observations epoch_first="Tue Mar 15 05:00:00 2011"
                      epoch_last="Tue Mar 15 05:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="46564"
                obs_have="44660"
                obs_ratio="95.91" />
          <mask elevation="10 degrees"
                obs_expected="35135"
                obs_have="34873"
                obs_ratio="99.25" />
          <mask elevation="15 degrees"
                obs_expected="26498"
                obs_have="26498"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Thu Apr 14 04:07:34 2011"
               level="3">
        <file_statistics latency="00:05:20"
                         size="9667753"
                         time_creation="Tue Apr 12 00:54:29 2011"
                         time_modification="Tue Mar 15 06:05:19 2011" />
        <observations epoch_first="Tue Mar 15 05:00:00 2011"
                      epoch_last="Tue Mar 15 05:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="46564"
                obs_have="44660"
                obs_ratio="95.91" />
          <mask elevation="10 degrees"
                obs_expected="35135"
                obs_have="34873"
                obs_ratio="99.25" />
          <mask elevation="15 degrees"
                obs_expected="26498"
                obs_have="26498"
                obs_ratio="100.00" />
        </observations>
      </control>
    </file>
    <file name="/vfch074g.11o"
          error="0"
          interval="1"
          session="g">
      <control date="Tue Mar 15 07:18:09 2011"
               level="3">
        <file_statistics latency="00:04:14"
                         size="9279879"
                         time_creation="Tue Mar 15 07:11:07 2011"
                         time_modification="Tue Mar 15 07:04:13 2011" />
        <observations epoch_first="Tue Mar 15 06:00:00 2011"
                      epoch_last="Tue Mar 15 06:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="40602"
                obs_have="40444"
                obs_ratio="99.61" />
          <mask elevation="10 degrees"
                obs_expected="35186"
                obs_have="35183"
                obs_ratio="99.99" />
          <mask elevation="15 degrees"
                obs_expected="31637"
                obs_have="31637"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Mar 15 07:43:47 2011"
               level="3">
        <file_statistics latency="00:04:14"
                         size="9279879"
                         time_creation="Tue Mar 15 07:11:07 2011"
                         time_modification="Tue Mar 15 07:04:13 2011" />
        <observations epoch_first="Tue Mar 15 06:00:00 2011"
                      epoch_last="Tue Mar 15 06:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="40602"
                obs_have="40444"
                obs_ratio="99.61" />
          <mask elevation="10 degrees"
                obs_expected="35186"
                obs_have="35183"
                obs_ratio="99.99" />
          <mask elevation="15 degrees"
                obs_expected="31637"
                obs_have="31637"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Mar 15 09:28:07 2011"
               level="3">
        <file_statistics latency="00:04:14"
                         size="9279879"
                         time_creation="Tue Mar 15 07:11:07 2011"
                         time_modification="Tue Mar 15 07:04:13 2011" />
        <observations epoch_first="Tue Mar 15 06:00:00 2011"
                      epoch_last="Tue Mar 15 06:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="40602"
                obs_have="40444"
                obs_ratio="99.61" />
          <mask elevation="10 degrees"
                obs_expected="35186"
                obs_have="35183"
                obs_ratio="99.99" />
          <mask elevation="15 degrees"
                obs_expected="31637"
                obs_have="31637"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Wed Mar 16 17:37:24 2011"
               level="3">
        <file_statistics latency="00:04:14"
                         size="9279879"
                         time_creation="Tue Mar 15 07:11:07 2011"
                         time_modification="Tue Mar 15 07:04:13 2011" />
        <observations epoch_first="Tue Mar 15 06:00:00 2011"
                      epoch_last="Tue Mar 15 06:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="40602"
                obs_have="40444"
                obs_ratio="99.61" />
          <mask elevation="10 degrees"
                obs_expected="35186"
                obs_have="35183"
                obs_ratio="99.99" />
          <mask elevation="15 degrees"
                obs_expected="31637"
                obs_have="31637"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Thu Apr 14 04:07:34 2011"
               level="3">
        <file_statistics latency="00:04:14"
                         size="9279879"
                         time_creation="Tue Apr 12 00:54:30 2011"
                         time_modification="Tue Mar 15 07:04:13 2011" />
        <observations epoch_first="Tue Mar 15 06:00:00 2011"
                      epoch_last="Tue Mar 15 06:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="40602"
                obs_have="40444"
                obs_ratio="99.61" />
          <mask elevation="10 degrees"
                obs_expected="35186"
                obs_have="35183"
                obs_ratio="99.99" />
          <mask elevation="15 degrees"
                obs_expected="31637"
                obs_have="31637"
                obs_ratio="100.00" />
        </observations>
      </control>
    </file>
    <file name="/vfch074h.11o"
          error="0"
          interval="1"
          session="h">
      <control date="Tue Mar 15 10:28:48 2011"
               level="3">
        <file_statistics latency="00:05:17"
                         size="9257275"
                         time_creation="Tue Mar 15 09:06:38 2011"
                         time_modification="Tue Mar 15 08:05:16 2011" />
        <observations epoch_first="Tue Mar 15 07:00:00 2011"
                      epoch_last="Tue Mar 15 07:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="37144"
                obs_have="37104"
                obs_ratio="99.89" />
          <mask elevation="10 degrees"
                obs_expected="34887"
                obs_have="34887"
                obs_ratio="100.00" />
          <mask elevation="15 degrees"
                obs_expected="31826"
                obs_have="31826"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Wed Mar 16 17:37:24 2011"
               level="3">
        <file_statistics latency="00:05:17"
                         size="9257275"
                         time_creation="Tue Mar 15 09:06:38 2011"
                         time_modification="Tue Mar 15 08:05:16 2011" />
        <observations epoch_first="Tue Mar 15 07:00:00 2011"
                      epoch_last="Tue Mar 15 07:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="37144"
                obs_have="37104"
                obs_ratio="99.89" />
          <mask elevation="10 degrees"
                obs_expected="34887"
                obs_have="34887"
                obs_ratio="100.00" />
          <mask elevation="15 degrees"
                obs_expected="31826"
                obs_have="31826"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Thu Apr 14 04:07:34 2011"
               level="3">
        <file_statistics latency="00:05:17"
                         size="9257275"
                         time_creation="Tue Apr 12 00:54:30 2011"
                         time_modification="Tue Mar 15 08:05:16 2011" />
        <observations epoch_first="Tue Mar 15 07:00:00 2011"
                      epoch_last="Tue Mar 15 07:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="37144"
                obs_have="37104"
                obs_ratio="99.89" />
          <mask elevation="10 degrees"
                obs_expected="34887"
                obs_have="34887"
                obs_ratio="100.00" />
          <mask elevation="15 degrees"
                obs_expected="31826"
                obs_have="31826"
                obs_ratio="100.00" />
        </observations>
      </control>
    </file>
    <file name="/vfch074i.11o"
          error="0"
          interval="1"
          session="i">
      <control date="Tue Mar 15 09:17:58 2011"
               level="3">
        <file_statistics latency="00:05:17"
                         size="8516878"
                         time_creation="Tue Mar 15 09:11:07 2011"
                         time_modification="Tue Mar 15 09:05:16 2011" />
        <observations epoch_first="Tue Mar 15 08:00:00 2011"
                      epoch_last="Tue Mar 15 08:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="34835"
                obs_have="34790"
                obs_ratio="99.87" />
          <mask elevation="10 degrees"
                obs_expected="30601"
                obs_have="30601"
                obs_ratio="100.00" />
          <mask elevation="15 degrees"
                obs_expected="29156"
                obs_have="29156"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Mar 15 09:42:57 2011"
               level="3">
        <file_statistics latency="00:05:17"
                         size="8516878"
                         time_creation="Tue Mar 15 09:11:07 2011"
                         time_modification="Tue Mar 15 09:05:16 2011" />
        <observations epoch_first="Tue Mar 15 08:00:00 2011"
                      epoch_last="Tue Mar 15 08:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="34835"
                obs_have="34790"
                obs_ratio="99.87" />
          <mask elevation="10 degrees"
                obs_expected="30601"
                obs_have="30601"
                obs_ratio="100.00" />
          <mask elevation="15 degrees"
                obs_expected="29156"
                obs_have="29156"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Mar 15 11:28:18 2011"
               level="3">
        <file_statistics latency="00:05:17"
                         size="8516878"
                         time_creation="Tue Mar 15 09:11:07 2011"
                         time_modification="Tue Mar 15 09:05:16 2011" />
        <observations epoch_first="Tue Mar 15 08:00:00 2011"
                      epoch_last="Tue Mar 15 08:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="34835"
                obs_have="34790"
                obs_ratio="99.87" />
          <mask elevation="10 degrees"
                obs_expected="30601"
                obs_have="30601"
                obs_ratio="100.00" />
          <mask elevation="15 degrees"
                obs_expected="29156"
                obs_have="29156"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Wed Mar 16 17:37:24 2011"
               level="3">
        <file_statistics latency="00:05:17"
                         size="8516878"
                         time_creation="Tue Mar 15 09:11:07 2011"
                         time_modification="Tue Mar 15 09:05:16 2011" />
        <observations epoch_first="Tue Mar 15 08:00:00 2011"
                      epoch_last="Tue Mar 15 08:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="34835"
                obs_have="34790"
                obs_ratio="99.87" />
          <mask elevation="10 degrees"
                obs_expected="30601"
                obs_have="30601"
                obs_ratio="100.00" />
          <mask elevation="15 degrees"
                obs_expected="29156"
                obs_have="29156"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Thu Apr 14 04:07:34 2011"
               level="3">
        <file_statistics latency="00:05:17"
                         size="8516878"
                         time_creation="Tue Apr 12 00:54:31 2011"
                         time_modification="Tue Mar 15 09:05:16 2011" />
        <observations epoch_first="Tue Mar 15 08:00:00 2011"
                      epoch_last="Tue Mar 15 08:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="34835"
                obs_have="34790"
                obs_ratio="99.87" />
          <mask elevation="10 degrees"
                obs_expected="30601"
                obs_have="30601"
                obs_ratio="100.00" />
          <mask elevation="15 degrees"
                obs_expected="29156"
                obs_have="29156"
                obs_ratio="100.00" />
        </observations>
      </control>
    </file>
    <file name="/vfch074j.11o"
          error="0"
          interval="1"
          session="j">
      <control date="Tue Mar 15 10:18:46 2011"
               level="3">
        <file_statistics latency="00:04:14"
                         size="8856332"
                         time_creation="Tue Mar 15 10:11:10 2011"
                         time_modification="Tue Mar 15 10:04:13 2011" />
        <observations epoch_first="Tue Mar 15 09:00:00 2011"
                      epoch_last="Tue Mar 15 09:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="35341"
                obs_have="34278"
                obs_ratio="96.99" />
          <mask elevation="10 degrees"
                obs_expected="29224"
                obs_have="29224"
                obs_ratio="100.00" />
          <mask elevation="15 degrees"
                obs_expected="24484"
                obs_have="24484"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Mar 15 10:43:42 2011"
               level="3">
        <file_statistics latency="00:04:14"
                         size="8856332"
                         time_creation="Tue Mar 15 10:11:10 2011"
                         time_modification="Tue Mar 15 10:04:13 2011" />
        <observations epoch_first="Tue Mar 15 09:00:00 2011"
                      epoch_last="Tue Mar 15 09:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="35341"
                obs_have="34278"
                obs_ratio="96.99" />
          <mask elevation="10 degrees"
                obs_expected="29224"
                obs_have="29224"
                obs_ratio="100.00" />
          <mask elevation="15 degrees"
                obs_expected="24483"
                obs_have="24483"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Mar 15 12:28:44 2011"
               level="3">
        <file_statistics latency="00:04:14"
                         size="8856332"
                         time_creation="Tue Mar 15 10:11:10 2011"
                         time_modification="Tue Mar 15 10:04:13 2011" />
        <observations epoch_first="Tue Mar 15 09:00:00 2011"
                      epoch_last="Tue Mar 15 09:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="35341"
                obs_have="34278"
                obs_ratio="96.99" />
          <mask elevation="10 degrees"
                obs_expected="29224"
                obs_have="29224"
                obs_ratio="100.00" />
          <mask elevation="15 degrees"
                obs_expected="24483"
                obs_have="24483"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Wed Mar 16 17:37:24 2011"
               level="3">
        <file_statistics latency="00:04:14"
                         size="8856332"
                         time_creation="Tue Mar 15 10:11:10 2011"
                         time_modification="Tue Mar 15 10:04:13 2011" />
        <observations epoch_first="Tue Mar 15 09:00:00 2011"
                      epoch_last="Tue Mar 15 09:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="35341"
                obs_have="34278"
                obs_ratio="96.99" />
          <mask elevation="10 degrees"
                obs_expected="29224"
                obs_have="29224"
                obs_ratio="100.00" />
          <mask elevation="15 degrees"
                obs_expected="24483"
                obs_have="24483"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Thu Apr 14 04:07:34 2011"
               level="3">
        <file_statistics latency="00:04:14"
                         size="8856332"
                         time_creation="Tue Apr 12 00:54:31 2011"
                         time_modification="Tue Mar 15 10:04:13 2011" />
        <observations epoch_first="Tue Mar 15 09:00:00 2011"
                      epoch_last="Tue Mar 15 09:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="35341"
                obs_have="34278"
                obs_ratio="96.99" />
          <mask elevation="10 degrees"
                obs_expected="29224"
                obs_have="29224"
                obs_ratio="100.00" />
          <mask elevation="15 degrees"
                obs_expected="24483"
                obs_have="24483"
                obs_ratio="100.00" />
        </observations>
      </control>
    </file>
    <file name="/vfch074k.11o"
          error="0"
          interval="1"
          session="k">
      <control date="Tue Mar 15 11:19:22 2011"
               level="3">
        <file_statistics latency="00:04:14"
                         size="8814548"
                         time_creation="Tue Mar 15 11:11:11 2011"
                         time_modification="Tue Mar 15 11:04:13 2011" />
        <observations epoch_first="Tue Mar 15 10:00:00 2011"
                      epoch_last="Tue Mar 15 10:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="33982"
                obs_have="33941"
                obs_ratio="99.88" />
          <mask elevation="10 degrees"
                obs_expected="32770"
                obs_have="32770"
                obs_ratio="100.00" />
          <mask elevation="15 degrees"
                obs_expected="32090"
                obs_have="32090"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Mar 15 11:44:20 2011"
               level="3">
        <file_statistics latency="00:04:14"
                         size="8814548"
                         time_creation="Tue Mar 15 11:11:11 2011"
                         time_modification="Tue Mar 15 11:04:13 2011" />
        <observations epoch_first="Tue Mar 15 10:00:00 2011"
                      epoch_last="Tue Mar 15 10:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="33982"
                obs_have="33941"
                obs_ratio="99.88" />
          <mask elevation="10 degrees"
                obs_expected="32770"
                obs_have="32770"
                obs_ratio="100.00" />
          <mask elevation="15 degrees"
                obs_expected="32090"
                obs_have="32090"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Mar 15 13:29:23 2011"
               level="3">
        <file_statistics latency="00:04:14"
                         size="8814548"
                         time_creation="Tue Mar 15 11:11:11 2011"
                         time_modification="Tue Mar 15 11:04:13 2011" />
        <observations epoch_first="Tue Mar 15 10:00:00 2011"
                      epoch_last="Tue Mar 15 10:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="33982"
                obs_have="33941"
                obs_ratio="99.88" />
          <mask elevation="10 degrees"
                obs_expected="32770"
                obs_have="32770"
                obs_ratio="100.00" />
          <mask elevation="15 degrees"
                obs_expected="32090"
                obs_have="32090"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Wed Mar 16 17:37:24 2011"
               level="3">
        <file_statistics latency="00:04:14"
                         size="8814548"
                         time_creation="Tue Mar 15 11:11:11 2011"
                         time_modification="Tue Mar 15 11:04:13 2011" />
        <observations epoch_first="Tue Mar 15 10:00:00 2011"
                      epoch_last="Tue Mar 15 10:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="33982"
                obs_have="33941"
                obs_ratio="99.88" />
          <mask elevation="10 degrees"
                obs_expected="32770"
                obs_have="32770"
                obs_ratio="100.00" />
          <mask elevation="15 degrees"
                obs_expected="32090"
                obs_have="32090"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Thu Apr 14 04:07:34 2011"
               level="3">
        <file_statistics latency="00:04:14"
                         size="8814548"
                         time_creation="Tue Apr 12 00:54:31 2011"
                         time_modification="Tue Mar 15 11:04:13 2011" />
        <observations epoch_first="Tue Mar 15 10:00:00 2011"
                      epoch_last="Tue Mar 15 10:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="33982"
                obs_have="33941"
                obs_ratio="99.88" />
          <mask elevation="10 degrees"
                obs_expected="32770"
                obs_have="32770"
                obs_ratio="100.00" />
          <mask elevation="15 degrees"
                obs_expected="32090"
                obs_have="32090"
                obs_ratio="100.00" />
        </observations>
      </control>
    </file>
    <file name="/vfch074l.11o"
          error="0"
          interval="1"
          session="l">
      <control date="Tue Mar 15 12:19:08 2011"
               level="3">
        <file_statistics latency="00:04:10"
                         size="9690853"
                         time_creation="Tue Mar 15 12:11:12 2011"
                         time_modification="Tue Mar 15 12:04:09 2011" />
        <observations epoch_first="Tue Mar 15 11:00:00 2011"
                      epoch_last="Tue Mar 15 11:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="39460"
                obs_have="39080"
                obs_ratio="99.04" />
          <mask elevation="10 degrees"
                obs_expected="33706"
                obs_have="33706"
                obs_ratio="100.00" />
          <mask elevation="15 degrees"
                obs_expected="28516"
                obs_have="28516"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Mar 15 12:44:10 2011"
               level="3">
        <file_statistics latency="00:04:10"
                         size="9690853"
                         time_creation="Tue Mar 15 12:11:12 2011"
                         time_modification="Tue Mar 15 12:04:09 2011" />
        <observations epoch_first="Tue Mar 15 11:00:00 2011"
                      epoch_last="Tue Mar 15 11:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="39460"
                obs_have="39080"
                obs_ratio="99.04" />
          <mask elevation="10 degrees"
                obs_expected="33706"
                obs_have="33706"
                obs_ratio="100.00" />
          <mask elevation="15 degrees"
                obs_expected="28517"
                obs_have="28517"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Mar 15 14:29:12 2011"
               level="3">
        <file_statistics latency="00:04:10"
                         size="9690853"
                         time_creation="Tue Mar 15 12:11:12 2011"
                         time_modification="Tue Mar 15 12:04:09 2011" />
        <observations epoch_first="Tue Mar 15 11:00:00 2011"
                      epoch_last="Tue Mar 15 11:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="39460"
                obs_have="39080"
                obs_ratio="99.04" />
          <mask elevation="10 degrees"
                obs_expected="33706"
                obs_have="33706"
                obs_ratio="100.00" />
          <mask elevation="15 degrees"
                obs_expected="28517"
                obs_have="28517"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Wed Mar 16 17:37:24 2011"
               level="3">
        <file_statistics latency="00:04:10"
                         size="9690853"
                         time_creation="Tue Mar 15 12:11:12 2011"
                         time_modification="Tue Mar 15 12:04:09 2011" />
        <observations epoch_first="Tue Mar 15 11:00:00 2011"
                      epoch_last="Tue Mar 15 11:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="39460"
                obs_have="39080"
                obs_ratio="99.04" />
          <mask elevation="10 degrees"
                obs_expected="33706"
                obs_have="33706"
                obs_ratio="100.00" />
          <mask elevation="15 degrees"
                obs_expected="28517"
                obs_have="28517"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Thu Apr 14 04:07:34 2011"
               level="3">
        <file_statistics latency="00:04:10"
                         size="9690853"
                         time_creation="Tue Apr 12 00:54:32 2011"
                         time_modification="Tue Mar 15 12:04:09 2011" />
        <observations epoch_first="Tue Mar 15 11:00:00 2011"
                      epoch_last="Tue Mar 15 11:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="39460"
                obs_have="39080"
                obs_ratio="99.04" />
          <mask elevation="10 degrees"
                obs_expected="33706"
                obs_have="33706"
                obs_ratio="100.00" />
          <mask elevation="15 degrees"
                obs_expected="28517"
                obs_have="28517"
                obs_ratio="100.00" />
        </observations>
      </control>
    </file>
    <file name="/vfch074m.11o"
          error="0"
          interval="1"
          session="m">
      <control date="Tue Mar 15 13:18:38 2011"
               level="3">
        <file_statistics latency="00:05:16"
                         size="9236603"
                         time_creation="Tue Mar 15 13:11:21 2011"
                         time_modification="Tue Mar 15 13:05:15 2011" />
        <observations epoch_first="Tue Mar 15 12:00:00 2011"
                      epoch_last="Tue Mar 15 12:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="37938"
                obs_have="37280"
                obs_ratio="98.27" />
          <mask elevation="10 degrees"
                obs_expected="27891"
                obs_have="27891"
                obs_ratio="100.00" />
          <mask elevation="15 degrees"
                obs_expected="25564"
                obs_have="25564"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Mar 15 13:45:20 2011"
               level="3">
        <file_statistics latency="00:05:16"
                         size="9236603"
                         time_creation="Tue Mar 15 13:11:21 2011"
                         time_modification="Tue Mar 15 13:05:15 2011" />
        <observations epoch_first="Tue Mar 15 12:00:00 2011"
                      epoch_last="Tue Mar 15 12:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="37938"
                obs_have="37280"
                obs_ratio="98.27" />
          <mask elevation="10 degrees"
                obs_expected="27891"
                obs_have="27891"
                obs_ratio="100.00" />
          <mask elevation="15 degrees"
                obs_expected="25564"
                obs_have="25564"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Mar 15 15:28:38 2011"
               level="3">
        <file_statistics latency="00:05:16"
                         size="9236603"
                         time_creation="Tue Mar 15 13:11:21 2011"
                         time_modification="Tue Mar 15 13:05:15 2011" />
        <observations epoch_first="Tue Mar 15 12:00:00 2011"
                      epoch_last="Tue Mar 15 12:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="37938"
                obs_have="37280"
                obs_ratio="98.27" />
          <mask elevation="10 degrees"
                obs_expected="27891"
                obs_have="27891"
                obs_ratio="100.00" />
          <mask elevation="15 degrees"
                obs_expected="25564"
                obs_have="25564"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Wed Mar 16 17:37:24 2011"
               level="3">
        <file_statistics latency="00:05:16"
                         size="9236603"
                         time_creation="Tue Mar 15 13:11:21 2011"
                         time_modification="Tue Mar 15 13:05:15 2011" />
        <observations epoch_first="Tue Mar 15 12:00:00 2011"
                      epoch_last="Tue Mar 15 12:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="37938"
                obs_have="37280"
                obs_ratio="98.27" />
          <mask elevation="10 degrees"
                obs_expected="27891"
                obs_have="27891"
                obs_ratio="100.00" />
          <mask elevation="15 degrees"
                obs_expected="25564"
                obs_have="25564"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Thu Apr 14 04:07:34 2011"
               level="3">
        <file_statistics latency="00:05:16"
                         size="9236603"
                         time_creation="Tue Apr 12 00:54:32 2011"
                         time_modification="Tue Mar 15 13:05:15 2011" />
        <observations epoch_first="Tue Mar 15 12:00:00 2011"
                      epoch_last="Tue Mar 15 12:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="37938"
                obs_have="37280"
                obs_ratio="98.27" />
          <mask elevation="10 degrees"
                obs_expected="27891"
                obs_have="27891"
                obs_ratio="100.00" />
          <mask elevation="15 degrees"
                obs_expected="25564"
                obs_have="25564"
                obs_ratio="100.00" />
        </observations>
      </control>
    </file>
    <file name="/vfch074n.11o"
          error="0"
          interval="1"
          session="n">
      <control date="Tue Mar 15 14:18:37 2011"
               level="3">
        <file_statistics latency="00:06:20"
                         size="9375496"
                         time_creation="Tue Mar 15 14:11:19 2011"
                         time_modification="Tue Mar 15 14:06:19 2011" />
        <observations epoch_first="Tue Mar 15 13:00:00 2011"
                      epoch_last="Tue Mar 15 13:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="40920"
                obs_have="39791"
                obs_ratio="97.24" />
          <mask elevation="10 degrees"
                obs_expected="31987"
                obs_have="31987"
                obs_ratio="100.00" />
          <mask elevation="15 degrees"
                obs_expected="28073"
                obs_have="28073"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Mar 15 14:44:27 2011"
               level="3">
        <file_statistics latency="00:06:20"
                         size="9375496"
                         time_creation="Tue Mar 15 14:11:19 2011"
                         time_modification="Tue Mar 15 14:06:19 2011" />
        <observations epoch_first="Tue Mar 15 13:00:00 2011"
                      epoch_last="Tue Mar 15 13:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="40920"
                obs_have="39791"
                obs_ratio="97.24" />
          <mask elevation="10 degrees"
                obs_expected="31987"
                obs_have="31987"
                obs_ratio="100.00" />
          <mask elevation="15 degrees"
                obs_expected="28073"
                obs_have="28073"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Mar 15 16:28:49 2011"
               level="3">
        <file_statistics latency="00:06:20"
                         size="9375496"
                         time_creation="Tue Mar 15 14:11:19 2011"
                         time_modification="Tue Mar 15 14:06:19 2011" />
        <observations epoch_first="Tue Mar 15 13:00:00 2011"
                      epoch_last="Tue Mar 15 13:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="40920"
                obs_have="39791"
                obs_ratio="97.24" />
          <mask elevation="10 degrees"
                obs_expected="31987"
                obs_have="31987"
                obs_ratio="100.00" />
          <mask elevation="15 degrees"
                obs_expected="28073"
                obs_have="28073"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Wed Mar 16 17:37:24 2011"
               level="3">
        <file_statistics latency="00:06:20"
                         size="9375496"
                         time_creation="Tue Mar 15 14:11:19 2011"
                         time_modification="Tue Mar 15 14:06:19 2011" />
        <observations epoch_first="Tue Mar 15 13:00:00 2011"
                      epoch_last="Tue Mar 15 13:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="40920"
                obs_have="39791"
                obs_ratio="97.24" />
          <mask elevation="10 degrees"
                obs_expected="31987"
                obs_have="31987"
                obs_ratio="100.00" />
          <mask elevation="15 degrees"
                obs_expected="28073"
                obs_have="28073"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Thu Apr 14 04:07:34 2011"
               level="3">
        <file_statistics latency="00:06:20"
                         size="9375496"
                         time_creation="Tue Apr 12 00:54:33 2011"
                         time_modification="Tue Mar 15 14:06:19 2011" />
        <observations epoch_first="Tue Mar 15 13:00:00 2011"
                      epoch_last="Tue Mar 15 13:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="40920"
                obs_have="39791"
                obs_ratio="97.24" />
          <mask elevation="10 degrees"
                obs_expected="31987"
                obs_have="31987"
                obs_ratio="100.00" />
          <mask elevation="15 degrees"
                obs_expected="28073"
                obs_have="28073"
                obs_ratio="100.00" />
        </observations>
      </control>
    </file>
    <file name="/vfch074o.11o"
          error="0"
          interval="1"
          session="o">
      <control date="Tue Mar 15 15:18:07 2011"
               level="3">
        <file_statistics latency="00:03:16"
                         size="7931246"
                         time_creation="Tue Mar 15 15:11:15 2011"
                         time_modification="Tue Mar 15 15:03:15 2011" />
        <observations epoch_first="Tue Mar 15 14:00:00 2011"
                      epoch_last="Tue Mar 15 14:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="35186"
                obs_have="33847"
                obs_ratio="96.19" />
          <mask elevation="10 degrees"
                obs_expected="29210"
                obs_have="29210"
                obs_ratio="100.00" />
          <mask elevation="15 degrees"
                obs_expected="26634"
                obs_have="26634"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Mar 15 15:43:32 2011"
               level="3">
        <file_statistics latency="00:03:16"
                         size="7931246"
                         time_creation="Tue Mar 15 15:11:15 2011"
                         time_modification="Tue Mar 15 15:03:15 2011" />
        <observations epoch_first="Tue Mar 15 14:00:00 2011"
                      epoch_last="Tue Mar 15 14:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="35186"
                obs_have="33847"
                obs_ratio="96.19" />
          <mask elevation="10 degrees"
                obs_expected="29210"
                obs_have="29210"
                obs_ratio="100.00" />
          <mask elevation="15 degrees"
                obs_expected="26635"
                obs_have="26635"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Mar 15 17:31:16 2011"
               level="3">
        <file_statistics latency="00:03:16"
                         size="7931246"
                         time_creation="Tue Mar 15 15:11:15 2011"
                         time_modification="Tue Mar 15 15:03:15 2011" />
        <observations epoch_first="Tue Mar 15 14:00:00 2011"
                      epoch_last="Tue Mar 15 14:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="35186"
                obs_have="33847"
                obs_ratio="96.19" />
          <mask elevation="10 degrees"
                obs_expected="29210"
                obs_have="29210"
                obs_ratio="100.00" />
          <mask elevation="15 degrees"
                obs_expected="26635"
                obs_have="26635"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Wed Mar 16 17:37:24 2011"
               level="3">
        <file_statistics latency="00:03:16"
                         size="7931246"
                         time_creation="Tue Mar 15 15:11:15 2011"
                         time_modification="Tue Mar 15 15:03:15 2011" />
        <observations epoch_first="Tue Mar 15 14:00:00 2011"
                      epoch_last="Tue Mar 15 14:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="35186"
                obs_have="33847"
                obs_ratio="96.19" />
          <mask elevation="10 degrees"
                obs_expected="29210"
                obs_have="29210"
                obs_ratio="100.00" />
          <mask elevation="15 degrees"
                obs_expected="26635"
                obs_have="26635"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Thu Apr 14 04:07:34 2011"
               level="3">
        <file_statistics latency="00:03:16"
                         size="7931246"
                         time_creation="Tue Apr 12 00:54:33 2011"
                         time_modification="Tue Mar 15 15:03:15 2011" />
        <observations epoch_first="Tue Mar 15 14:00:00 2011"
                      epoch_last="Tue Mar 15 14:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="35186"
                obs_have="33847"
                obs_ratio="96.19" />
          <mask elevation="10 degrees"
                obs_expected="29210"
                obs_have="29210"
                obs_ratio="100.00" />
          <mask elevation="15 degrees"
                obs_expected="26635"
                obs_have="26635"
                obs_ratio="100.00" />
        </observations>
      </control>
    </file>
    <file name="/vfch074p.11o"
          error="0"
          interval="1"
          session="p">
      <control date="Tue Mar 15 16:18:37 2011"
               level="3">
        <file_statistics latency="00:05:14"
                         size="7954359"
                         time_creation="Tue Mar 15 16:11:20 2011"
                         time_modification="Tue Mar 15 16:05:13 2011" />
        <observations epoch_first="Tue Mar 15 15:00:00 2011"
                      epoch_last="Tue Mar 15 15:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="34365"
                obs_have="33985"
                obs_ratio="98.89" />
          <mask elevation="10 degrees"
                obs_expected="27535"
                obs_have="27514"
                obs_ratio="99.92" />
          <mask elevation="15 degrees"
                obs_expected="24714"
                obs_have="24714"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Mar 15 16:45:36 2011"
               level="3">
        <file_statistics latency="00:05:14"
                         size="7954359"
                         time_creation="Tue Mar 15 16:11:20 2011"
                         time_modification="Tue Mar 15 16:05:13 2011" />
        <observations epoch_first="Tue Mar 15 15:00:00 2011"
                      epoch_last="Tue Mar 15 15:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="34364"
                obs_have="33985"
                obs_ratio="98.90" />
          <mask elevation="10 degrees"
                obs_expected="27535"
                obs_have="27514"
                obs_ratio="99.92" />
          <mask elevation="15 degrees"
                obs_expected="24714"
                obs_have="24714"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Mar 15 18:33:59 2011"
               level="3">
        <file_statistics latency="00:05:14"
                         size="7954359"
                         time_creation="Tue Mar 15 16:11:20 2011"
                         time_modification="Tue Mar 15 16:05:13 2011" />
        <observations epoch_first="Tue Mar 15 15:00:00 2011"
                      epoch_last="Tue Mar 15 15:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="34364"
                obs_have="33985"
                obs_ratio="98.90" />
          <mask elevation="10 degrees"
                obs_expected="27535"
                obs_have="27514"
                obs_ratio="99.92" />
          <mask elevation="15 degrees"
                obs_expected="24714"
                obs_have="24714"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Wed Mar 16 17:37:24 2011"
               level="3">
        <file_statistics latency="00:05:14"
                         size="7954359"
                         time_creation="Tue Mar 15 16:11:20 2011"
                         time_modification="Tue Mar 15 16:05:13 2011" />
        <observations epoch_first="Tue Mar 15 15:00:00 2011"
                      epoch_last="Tue Mar 15 15:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="34364"
                obs_have="33985"
                obs_ratio="98.90" />
          <mask elevation="10 degrees"
                obs_expected="27535"
                obs_have="27514"
                obs_ratio="99.92" />
          <mask elevation="15 degrees"
                obs_expected="24714"
                obs_have="24714"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Thu Apr 14 04:07:34 2011"
               level="3">
        <file_statistics latency="00:05:14"
                         size="7954359"
                         time_creation="Tue Apr 12 00:54:33 2011"
                         time_modification="Tue Mar 15 16:05:13 2011" />
        <observations epoch_first="Tue Mar 15 15:00:00 2011"
                      epoch_last="Tue Mar 15 15:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="34364"
                obs_have="33985"
                obs_ratio="98.90" />
          <mask elevation="10 degrees"
                obs_expected="27535"
                obs_have="27514"
                obs_ratio="99.92" />
          <mask elevation="15 degrees"
                obs_expected="24714"
                obs_have="24714"
                obs_ratio="100.00" />
        </observations>
      </control>
    </file>
    <file name="/vfch074q.11o"
          error="0"
          interval="1"
          session="q">
      <control date="Tue Mar 15 17:19:40 2011"
               level="3">
        <file_statistics latency="00:05:17"
                         size="7704443"
                         time_creation="Tue Mar 15 17:11:11 2011"
                         time_modification="Tue Mar 15 17:05:16 2011" />
        <observations epoch_first="Tue Mar 15 16:00:00 2011"
                      epoch_last="Tue Mar 15 16:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="33697"
                obs_have="33515"
                obs_ratio="99.46" />
          <mask elevation="10 degrees"
                obs_expected="31379"
                obs_have="31228"
                obs_ratio="99.52" />
          <mask elevation="15 degrees"
                obs_expected="25542"
                obs_have="25542"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Mar 15 17:48:26 2011"
               level="3">
        <file_statistics latency="00:05:17"
                         size="7704443"
                         time_creation="Tue Mar 15 17:11:11 2011"
                         time_modification="Tue Mar 15 17:05:16 2011" />
        <observations epoch_first="Tue Mar 15 16:00:00 2011"
                      epoch_last="Tue Mar 15 16:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="33698"
                obs_have="33515"
                obs_ratio="99.46" />
          <mask elevation="10 degrees"
                obs_expected="31378"
                obs_have="31227"
                obs_ratio="99.52" />
          <mask elevation="15 degrees"
                obs_expected="25542"
                obs_have="25542"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Mar 15 19:35:41 2011"
               level="3">
        <file_statistics latency="00:05:17"
                         size="7704443"
                         time_creation="Tue Mar 15 17:11:11 2011"
                         time_modification="Tue Mar 15 17:05:16 2011" />
        <observations epoch_first="Tue Mar 15 16:00:00 2011"
                      epoch_last="Tue Mar 15 16:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="33698"
                obs_have="33515"
                obs_ratio="99.46" />
          <mask elevation="10 degrees"
                obs_expected="31378"
                obs_have="31227"
                obs_ratio="99.52" />
          <mask elevation="15 degrees"
                obs_expected="25542"
                obs_have="25542"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Wed Mar 16 17:37:24 2011"
               level="3">
        <file_statistics latency="00:05:17"
                         size="7704443"
                         time_creation="Tue Mar 15 17:11:11 2011"
                         time_modification="Tue Mar 15 17:05:16 2011" />
        <observations epoch_first="Tue Mar 15 16:00:00 2011"
                      epoch_last="Tue Mar 15 16:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="33698"
                obs_have="33515"
                obs_ratio="99.46" />
          <mask elevation="10 degrees"
                obs_expected="31378"
                obs_have="31227"
                obs_ratio="99.52" />
          <mask elevation="15 degrees"
                obs_expected="25542"
                obs_have="25542"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Thu Apr 14 04:07:34 2011"
               level="3">
        <file_statistics latency="00:05:17"
                         size="7704443"
                         time_creation="Tue Apr 12 00:54:34 2011"
                         time_modification="Tue Mar 15 17:05:16 2011" />
        <observations epoch_first="Tue Mar 15 16:00:00 2011"
                      epoch_last="Tue Mar 15 16:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="33698"
                obs_have="33515"
                obs_ratio="99.46" />
          <mask elevation="10 degrees"
                obs_expected="31378"
                obs_have="31227"
                obs_ratio="99.52" />
          <mask elevation="15 degrees"
                obs_expected="25542"
                obs_have="25542"
                obs_ratio="100.00" />
        </observations>
      </control>
    </file>
    <file name="/vfch074r.11o"
          error="0"
          interval="1"
          session="r">
      <control date="Tue Mar 15 18:20:58 2011"
               level="3">
        <file_statistics latency="00:03:16"
                         size="8388751"
                         time_creation="Tue Mar 15 18:11:22 2011"
                         time_modification="Tue Mar 15 18:03:15 2011" />
        <observations epoch_first="Tue Mar 15 17:00:00 2011"
                      epoch_last="Tue Mar 15 17:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="36152"
                obs_have="34988"
                obs_ratio="96.78" />
          <mask elevation="10 degrees"
                obs_expected="29328"
                obs_have="29327"
                obs_ratio="100.00" />
          <mask elevation="15 degrees"
                obs_expected="25514"
                obs_have="25514"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Mar 15 18:47:58 2011"
               level="3">
        <file_statistics latency="00:03:16"
                         size="8388751"
                         time_creation="Tue Mar 15 18:11:22 2011"
                         time_modification="Tue Mar 15 18:03:15 2011" />
        <observations epoch_first="Tue Mar 15 17:00:00 2011"
                      epoch_last="Tue Mar 15 17:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="36152"
                obs_have="34988"
                obs_ratio="96.78" />
          <mask elevation="10 degrees"
                obs_expected="29328"
                obs_have="29327"
                obs_ratio="100.00" />
          <mask elevation="15 degrees"
                obs_expected="25514"
                obs_have="25514"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Mar 15 20:36:12 2011"
               level="3">
        <file_statistics latency="00:03:16"
                         size="8388751"
                         time_creation="Tue Mar 15 18:11:22 2011"
                         time_modification="Tue Mar 15 18:03:15 2011" />
        <observations epoch_first="Tue Mar 15 17:00:00 2011"
                      epoch_last="Tue Mar 15 17:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="36152"
                obs_have="34988"
                obs_ratio="96.78" />
          <mask elevation="10 degrees"
                obs_expected="29328"
                obs_have="29327"
                obs_ratio="100.00" />
          <mask elevation="15 degrees"
                obs_expected="25514"
                obs_have="25514"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Wed Mar 16 17:37:24 2011"
               level="3">
        <file_statistics latency="00:03:16"
                         size="8388751"
                         time_creation="Tue Mar 15 18:11:22 2011"
                         time_modification="Tue Mar 15 18:03:15 2011" />
        <observations epoch_first="Tue Mar 15 17:00:00 2011"
                      epoch_last="Tue Mar 15 17:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="36152"
                obs_have="34988"
                obs_ratio="96.78" />
          <mask elevation="10 degrees"
                obs_expected="29328"
                obs_have="29327"
                obs_ratio="100.00" />
          <mask elevation="15 degrees"
                obs_expected="25514"
                obs_have="25514"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Thu Apr 14 04:07:34 2011"
               level="3">
        <file_statistics latency="00:03:16"
                         size="8388751"
                         time_creation="Tue Apr 12 00:54:34 2011"
                         time_modification="Tue Mar 15 18:03:15 2011" />
        <observations epoch_first="Tue Mar 15 17:00:00 2011"
                      epoch_last="Tue Mar 15 17:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="36152"
                obs_have="34988"
                obs_ratio="96.78" />
          <mask elevation="10 degrees"
                obs_expected="29328"
                obs_have="29327"
                obs_ratio="100.00" />
          <mask elevation="15 degrees"
                obs_expected="25514"
                obs_have="25514"
                obs_ratio="100.00" />
        </observations>
      </control>
    </file>
    <file name="/vfch074s.11o"
          error="0"
          interval="1"
          session="s">
      <control date="Tue Mar 15 19:23:19 2011"
               level="3">
        <file_statistics latency="00:03:21"
                         size="8460537"
                         time_creation="Tue Mar 15 19:11:28 2011"
                         time_modification="Tue Mar 15 19:03:20 2011" />
        <observations epoch_first="Tue Mar 15 18:00:00 2011"
                      epoch_last="Tue Mar 15 18:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="35462"
                obs_have="34813"
                obs_ratio="98.17" />
          <mask elevation="10 degrees"
                obs_expected="30775"
                obs_have="30775"
                obs_ratio="100.00" />
          <mask elevation="15 degrees"
                obs_expected="27319"
                obs_have="27319"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Mar 15 19:50:05 2011"
               level="3">
        <file_statistics latency="00:03:21"
                         size="8460537"
                         time_creation="Tue Mar 15 19:11:28 2011"
                         time_modification="Tue Mar 15 19:03:20 2011" />
        <observations epoch_first="Tue Mar 15 18:00:00 2011"
                      epoch_last="Tue Mar 15 18:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="35462"
                obs_have="34813"
                obs_ratio="98.17" />
          <mask elevation="10 degrees"
                obs_expected="30775"
                obs_have="30775"
                obs_ratio="100.00" />
          <mask elevation="15 degrees"
                obs_expected="27319"
                obs_have="27319"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Mar 15 21:34:13 2011"
               level="3">
        <file_statistics latency="00:03:21"
                         size="8460537"
                         time_creation="Tue Mar 15 19:11:28 2011"
                         time_modification="Tue Mar 15 19:03:20 2011" />
        <observations epoch_first="Tue Mar 15 18:00:00 2011"
                      epoch_last="Tue Mar 15 18:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="35462"
                obs_have="34813"
                obs_ratio="98.17" />
          <mask elevation="10 degrees"
                obs_expected="30775"
                obs_have="30775"
                obs_ratio="100.00" />
          <mask elevation="15 degrees"
                obs_expected="27319"
                obs_have="27319"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Wed Mar 16 17:37:24 2011"
               level="3">
        <file_statistics latency="00:03:21"
                         size="8460537"
                         time_creation="Tue Mar 15 19:11:28 2011"
                         time_modification="Tue Mar 15 19:03:20 2011" />
        <observations epoch_first="Tue Mar 15 18:00:00 2011"
                      epoch_last="Tue Mar 15 18:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="35462"
                obs_have="34813"
                obs_ratio="98.17" />
          <mask elevation="10 degrees"
                obs_expected="30775"
                obs_have="30775"
                obs_ratio="100.00" />
          <mask elevation="15 degrees"
                obs_expected="27319"
                obs_have="27319"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Thu Apr 14 04:07:34 2011"
               level="3">
        <file_statistics latency="00:03:21"
                         size="8460537"
                         time_creation="Tue Apr 12 00:54:35 2011"
                         time_modification="Tue Mar 15 19:03:20 2011" />
        <observations epoch_first="Tue Mar 15 18:00:00 2011"
                      epoch_last="Tue Mar 15 18:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="35462"
                obs_have="34813"
                obs_ratio="98.17" />
          <mask elevation="10 degrees"
                obs_expected="30775"
                obs_have="30775"
                obs_ratio="100.00" />
          <mask elevation="15 degrees"
                obs_expected="27319"
                obs_have="27319"
                obs_ratio="100.00" />
        </observations>
      </control>
    </file>
    <file name="/vfch074t.11o"
          error="0"
          interval="1"
          session="t">
      <control date="Tue Mar 15 20:26:56 2011"
               level="3">
        <file_statistics latency="00:02:11"
                         size="8834029"
                         time_creation="Tue Mar 15 20:06:31 2011"
                         time_modification="Tue Mar 15 20:02:10 2011" />
        <observations epoch_first="Tue Mar 15 19:00:00 2011"
                      epoch_last="Tue Mar 15 19:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="34739"
                obs_have="34075"
                obs_ratio="98.09" />
          <mask elevation="10 degrees"
                obs_expected="31407"
                obs_have="31187"
                obs_ratio="99.30" />
          <mask elevation="15 degrees"
                obs_expected="30131"
                obs_have="30131"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Mar 15 20:51:37 2011"
               level="3">
        <file_statistics latency="00:02:11"
                         size="8834029"
                         time_creation="Tue Mar 15 20:06:31 2011"
                         time_modification="Tue Mar 15 20:02:10 2011" />
        <observations epoch_first="Tue Mar 15 19:00:00 2011"
                      epoch_last="Tue Mar 15 19:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="34739"
                obs_have="34075"
                obs_ratio="98.09" />
          <mask elevation="10 degrees"
                obs_expected="31408"
                obs_have="31188"
                obs_ratio="99.30" />
          <mask elevation="15 degrees"
                obs_expected="30131"
                obs_have="30131"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Mar 15 22:29:54 2011"
               level="3">
        <file_statistics latency="00:02:11"
                         size="8834029"
                         time_creation="Tue Mar 15 20:06:31 2011"
                         time_modification="Tue Mar 15 20:02:10 2011" />
        <observations epoch_first="Tue Mar 15 19:00:00 2011"
                      epoch_last="Tue Mar 15 19:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="34739"
                obs_have="34075"
                obs_ratio="98.09" />
          <mask elevation="10 degrees"
                obs_expected="31408"
                obs_have="31188"
                obs_ratio="99.30" />
          <mask elevation="15 degrees"
                obs_expected="30131"
                obs_have="30131"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Wed Mar 16 17:37:24 2011"
               level="3">
        <file_statistics latency="00:02:11"
                         size="8834029"
                         time_creation="Tue Mar 15 20:06:31 2011"
                         time_modification="Tue Mar 15 20:02:10 2011" />
        <observations epoch_first="Tue Mar 15 19:00:00 2011"
                      epoch_last="Tue Mar 15 19:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="34739"
                obs_have="34075"
                obs_ratio="98.09" />
          <mask elevation="10 degrees"
                obs_expected="31408"
                obs_have="31188"
                obs_ratio="99.30" />
          <mask elevation="15 degrees"
                obs_expected="30131"
                obs_have="30131"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Thu Apr 14 04:07:34 2011"
               level="3">
        <file_statistics latency="00:02:11"
                         size="8834029"
                         time_creation="Tue Apr 12 00:54:35 2011"
                         time_modification="Tue Mar 15 20:02:10 2011" />
        <observations epoch_first="Tue Mar 15 19:00:00 2011"
                      epoch_last="Tue Mar 15 19:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="34739"
                obs_have="34075"
                obs_ratio="98.09" />
          <mask elevation="10 degrees"
                obs_expected="31408"
                obs_have="31188"
                obs_ratio="99.30" />
          <mask elevation="15 degrees"
                obs_expected="30131"
                obs_have="30131"
                obs_ratio="100.00" />
        </observations>
      </control>
    </file>
    <file name="/vfch074u.11o"
          error="0"
          interval="1"
          session="u">
      <control date="Tue Mar 15 21:24:18 2011"
               level="3">
        <file_statistics latency="00:02:05"
                         size="9214927"
                         time_creation="Tue Mar 15 21:06:30 2011"
                         time_modification="Tue Mar 15 21:02:04 2011" />
        <observations epoch_first="Tue Mar 15 20:00:00 2011"
                      epoch_last="Tue Mar 15 20:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="35564"
                obs_have="35128"
                obs_ratio="98.77" />
          <mask elevation="10 degrees"
                obs_expected="32531"
                obs_have="32449"
                obs_ratio="99.75" />
          <mask elevation="15 degrees"
                obs_expected="29170"
                obs_have="29170"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Mar 15 21:50:12 2011"
               level="3">
        <file_statistics latency="00:02:05"
                         size="9214927"
                         time_creation="Tue Mar 15 21:06:30 2011"
                         time_modification="Tue Mar 15 21:02:04 2011" />
        <observations epoch_first="Tue Mar 15 20:00:00 2011"
                      epoch_last="Tue Mar 15 20:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="35564"
                obs_have="35128"
                obs_ratio="98.77" />
          <mask elevation="10 degrees"
                obs_expected="32531"
                obs_have="32449"
                obs_ratio="99.75" />
          <mask elevation="15 degrees"
                obs_expected="29169"
                obs_have="29169"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Mar 15 23:29:46 2011"
               level="3">
        <file_statistics latency="00:02:05"
                         size="9214927"
                         time_creation="Tue Mar 15 21:06:30 2011"
                         time_modification="Tue Mar 15 21:02:04 2011" />
        <observations epoch_first="Tue Mar 15 20:00:00 2011"
                      epoch_last="Tue Mar 15 20:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="35564"
                obs_have="35128"
                obs_ratio="98.77" />
          <mask elevation="10 degrees"
                obs_expected="32531"
                obs_have="32449"
                obs_ratio="99.75" />
          <mask elevation="15 degrees"
                obs_expected="29169"
                obs_have="29169"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Wed Mar 16 17:37:24 2011"
               level="3">
        <file_statistics latency="00:02:05"
                         size="9214927"
                         time_creation="Tue Mar 15 21:06:30 2011"
                         time_modification="Tue Mar 15 21:02:04 2011" />
        <observations epoch_first="Tue Mar 15 20:00:00 2011"
                      epoch_last="Tue Mar 15 20:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="35564"
                obs_have="35128"
                obs_ratio="98.77" />
          <mask elevation="10 degrees"
                obs_expected="32531"
                obs_have="32449"
                obs_ratio="99.75" />
          <mask elevation="15 degrees"
                obs_expected="29169"
                obs_have="29169"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Thu Apr 14 04:07:34 2011"
               level="3">
        <file_statistics latency="00:02:05"
                         size="9214927"
                         time_creation="Tue Apr 12 00:54:35 2011"
                         time_modification="Tue Mar 15 21:02:04 2011" />
        <observations epoch_first="Tue Mar 15 20:00:00 2011"
                      epoch_last="Tue Mar 15 20:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="35564"
                obs_have="35128"
                obs_ratio="98.77" />
          <mask elevation="10 degrees"
                obs_expected="32531"
                obs_have="32449"
                obs_ratio="99.75" />
          <mask elevation="15 degrees"
                obs_expected="29169"
                obs_have="29169"
                obs_ratio="100.00" />
        </observations>
      </control>
    </file>
    <file name="/vfch074v.11o"
          error="0"
          interval="1"
          session="v">
      <control date="Tue Mar 15 22:18:44 2011"
               level="3">
        <file_statistics latency="00:01:51"
                         size="9360290"
                         time_creation="Tue Mar 15 22:06:29 2011"
                         time_modification="Tue Mar 15 22:01:50 2011" />
        <observations epoch_first="Tue Mar 15 21:00:00 2011"
                      epoch_last="Tue Mar 15 21:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="37519"
                obs_have="36266"
                obs_ratio="96.66" />
          <mask elevation="10 degrees"
                obs_expected="29356"
                obs_have="29356"
                obs_ratio="100.00" />
          <mask elevation="15 degrees"
                obs_expected="23622"
                obs_have="23622"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Mar 15 22:46:00 2011"
               level="3">
        <file_statistics latency="00:01:51"
                         size="9360290"
                         time_creation="Tue Mar 15 22:06:29 2011"
                         time_modification="Tue Mar 15 22:01:50 2011" />
        <observations epoch_first="Tue Mar 15 21:00:00 2011"
                      epoch_last="Tue Mar 15 21:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="37519"
                obs_have="36265"
                obs_ratio="96.66" />
          <mask elevation="10 degrees"
                obs_expected="29357"
                obs_have="29357"
                obs_ratio="100.00" />
          <mask elevation="15 degrees"
                obs_expected="23622"
                obs_have="23622"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Wed Mar 16 00:28:26 2011"
               level="3">
        <file_statistics latency="00:01:51"
                         size="9360290"
                         time_creation="Tue Mar 15 22:06:29 2011"
                         time_modification="Tue Mar 15 22:01:50 2011" />
        <observations epoch_first="Tue Mar 15 21:00:00 2011"
                      epoch_last="Tue Mar 15 21:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="37519"
                obs_have="36265"
                obs_ratio="96.66" />
          <mask elevation="10 degrees"
                obs_expected="29357"
                obs_have="29357"
                obs_ratio="100.00" />
          <mask elevation="15 degrees"
                obs_expected="23622"
                obs_have="23622"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Wed Mar 16 17:37:24 2011"
               level="3">
        <file_statistics latency="00:01:51"
                         size="9360290"
                         time_creation="Tue Mar 15 22:06:29 2011"
                         time_modification="Tue Mar 15 22:01:50 2011" />
        <observations epoch_first="Tue Mar 15 21:00:00 2011"
                      epoch_last="Tue Mar 15 21:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="37519"
                obs_have="36265"
                obs_ratio="96.66" />
          <mask elevation="10 degrees"
                obs_expected="29357"
                obs_have="29357"
                obs_ratio="100.00" />
          <mask elevation="15 degrees"
                obs_expected="23622"
                obs_have="23622"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Thu Apr 14 04:07:34 2011"
               level="3">
        <file_statistics latency="00:01:51"
                         size="9360290"
                         time_creation="Tue Apr 12 00:54:36 2011"
                         time_modification="Tue Mar 15 22:01:50 2011" />
        <observations epoch_first="Tue Mar 15 21:00:00 2011"
                      epoch_last="Tue Mar 15 21:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="37519"
                obs_have="36265"
                obs_ratio="96.66" />
          <mask elevation="10 degrees"
                obs_expected="29357"
                obs_have="29357"
                obs_ratio="100.00" />
          <mask elevation="15 degrees"
                obs_expected="23622"
                obs_have="23622"
                obs_ratio="100.00" />
        </observations>
      </control>
    </file>
    <file name="/vfch074w.11o"
          error="0"
          interval="1"
          session="w">
      <control date="Tue Mar 15 23:19:04 2011"
               level="3">
        <file_statistics latency="00:02:07"
                         size="8119845"
                         time_creation="Tue Mar 15 23:06:26 2011"
                         time_modification="Tue Mar 15 23:02:06 2011" />
        <observations epoch_first="Tue Mar 15 22:00:00 2011"
                      epoch_last="Tue Mar 15 22:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="32400"
                obs_have="32395"
                obs_ratio="99.98" />
          <mask elevation="10 degrees"
                obs_expected="31488"
                obs_have="31486"
                obs_ratio="99.99" />
          <mask elevation="15 degrees"
                obs_expected="28703"
                obs_have="28703"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Mar 15 23:44:17 2011"
               level="3">
        <file_statistics latency="00:02:07"
                         size="8119845"
                         time_creation="Tue Mar 15 23:06:26 2011"
                         time_modification="Tue Mar 15 23:02:06 2011" />
        <observations epoch_first="Tue Mar 15 22:00:00 2011"
                      epoch_last="Tue Mar 15 22:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="32400"
                obs_have="32395"
                obs_ratio="99.98" />
          <mask elevation="10 degrees"
                obs_expected="31488"
                obs_have="31486"
                obs_ratio="99.99" />
          <mask elevation="15 degrees"
                obs_expected="28703"
                obs_have="28703"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Wed Mar 16 01:29:07 2011"
               level="3">
        <file_statistics latency="00:02:07"
                         size="8119845"
                         time_creation="Tue Mar 15 23:06:26 2011"
                         time_modification="Tue Mar 15 23:02:06 2011" />
        <observations epoch_first="Tue Mar 15 22:00:00 2011"
                      epoch_last="Tue Mar 15 22:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="32400"
                obs_have="32395"
                obs_ratio="99.98" />
          <mask elevation="10 degrees"
                obs_expected="31488"
                obs_have="31486"
                obs_ratio="99.99" />
          <mask elevation="15 degrees"
                obs_expected="28703"
                obs_have="28703"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Wed Mar 16 17:37:24 2011"
               level="3">
        <file_statistics latency="00:02:07"
                         size="8119845"
                         time_creation="Tue Mar 15 23:06:26 2011"
                         time_modification="Tue Mar 15 23:02:06 2011" />
        <observations epoch_first="Tue Mar 15 22:00:00 2011"
                      epoch_last="Tue Mar 15 22:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="32400"
                obs_have="32395"
                obs_ratio="99.98" />
          <mask elevation="10 degrees"
                obs_expected="31488"
                obs_have="31486"
                obs_ratio="99.99" />
          <mask elevation="15 degrees"
                obs_expected="28703"
                obs_have="28703"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Thu Apr 14 04:07:34 2011"
               level="3">
        <file_statistics latency="00:02:07"
                         size="8119845"
                         time_creation="Tue Apr 12 00:54:36 2011"
                         time_modification="Tue Mar 15 23:02:06 2011" />
        <observations epoch_first="Tue Mar 15 22:00:00 2011"
                      epoch_last="Tue Mar 15 22:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="32400"
                obs_have="32395"
                obs_ratio="99.98" />
          <mask elevation="10 degrees"
                obs_expected="31488"
                obs_have="31486"
                obs_ratio="99.99" />
          <mask elevation="15 degrees"
                obs_expected="28703"
                obs_have="28703"
                obs_ratio="100.00" />
        </observations>
      </control>
    </file>
    <file name="/vfch074x.11o"
          error="0"
          interval="1"
          session="x">
      <control date="Wed Mar 16 00:18:08 2011"
               level="3">
        <file_statistics latency="00:02:04"
                         size="7923328"
                         time_creation="Wed Mar 16 00:06:26 2011"
                         time_modification="Wed Mar 16 00:02:03 2011" />
        <observations epoch_first="Tue Mar 15 23:00:00 2011"
                      epoch_last="Tue Mar 15 23:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="30288"
                obs_have="29690"
                obs_ratio="98.03" />
          <mask elevation="10 degrees"
                obs_expected="24938"
                obs_have="24938"
                obs_ratio="100.00" />
          <mask elevation="15 degrees"
                obs_expected="22239"
                obs_have="22239"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Wed Mar 16 00:43:04 2011"
               level="3">
        <file_statistics latency="00:02:04"
                         size="7923328"
                         time_creation="Wed Mar 16 00:06:26 2011"
                         time_modification="Wed Mar 16 00:02:03 2011" />
        <observations epoch_first="Tue Mar 15 23:00:00 2011"
                      epoch_last="Tue Mar 15 23:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="30289"
                obs_have="29690"
                obs_ratio="98.02" />
          <mask elevation="10 degrees"
                obs_expected="24938"
                obs_have="24938"
                obs_ratio="100.00" />
          <mask elevation="15 degrees"
                obs_expected="22239"
                obs_have="22239"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Wed Mar 16 02:28:26 2011"
               level="3">
        <file_statistics latency="00:02:04"
                         size="7923328"
                         time_creation="Wed Mar 16 00:06:26 2011"
                         time_modification="Wed Mar 16 00:02:03 2011" />
        <observations epoch_first="Tue Mar 15 23:00:00 2011"
                      epoch_last="Tue Mar 15 23:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="30289"
                obs_have="29690"
                obs_ratio="98.02" />
          <mask elevation="10 degrees"
                obs_expected="24938"
                obs_have="24938"
                obs_ratio="100.00" />
          <mask elevation="15 degrees"
                obs_expected="22239"
                obs_have="22239"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Wed Mar 16 17:37:24 2011"
               level="3">
        <file_statistics latency="00:02:04"
                         size="7923328"
                         time_creation="Wed Mar 16 00:06:26 2011"
                         time_modification="Wed Mar 16 00:02:03 2011" />
        <observations epoch_first="Tue Mar 15 23:00:00 2011"
                      epoch_last="Tue Mar 15 23:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="30289"
                obs_have="29690"
                obs_ratio="98.02" />
          <mask elevation="10 degrees"
                obs_expected="24938"
                obs_have="24938"
                obs_ratio="100.00" />
          <mask elevation="15 degrees"
                obs_expected="22239"
                obs_have="22239"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Thu Apr 14 04:07:34 2011"
               level="3">
        <file_statistics latency="00:02:04"
                         size="7923328"
                         time_creation="Tue Apr 12 00:54:37 2011"
                         time_modification="Wed Mar 16 00:02:03 2011" />
        <observations epoch_first="Tue Mar 15 23:00:00 2011"
                      epoch_last="Tue Mar 15 23:59:59 2011"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="30289"
                obs_have="29690"
                obs_ratio="98.02" />
          <mask elevation="10 degrees"
                obs_expected="24938"
                obs_have="24938"
                obs_ratio="100.00" />
          <mask elevation="15 degrees"
                obs_expected="22239"
                obs_have="22239"
                obs_ratio="100.00" />
        </observations>
      </control>
    </file>
  </station>
</QC>
