<QC Comment="Quality check run by the RGP Dream Team"
    Date="2012-02-20 00:00:00"
    DayOfYear="51"
    Year="2012">
  <station name="CHEB">
    <file name="/cheb0510.12o"
          error="0"
          interval="30"
          session="0">
      <control date="Wed Feb 22 00:05:10 2012"
               level="3">
        <file_statistics latency="04:31:34"
                         size="3048006"
                         time_creation="Tue Feb 21 04:08:45 2012"
                         time_modification="Tue Feb 21 03:31:04 2012" />
        <observations epoch_first="Mon Feb 20 00:00:00 2012"
                      epoch_last="Mon Feb 20 22:59:30 2012"
                      epochs="2760"
                      epochs_ratio="95.83">
          <mask elevation="03 degrees"
                obs_expected="27688"
                obs_have="22881"
                obs_ratio="82.64" />
          <mask elevation="10 degrees"
                obs_expected="22915"
                obs_have="22869"
                obs_ratio="99.80" />
          <mask elevation="15 degrees"
                obs_expected="20135"
                obs_have="20135"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Wed Mar 21 10:10:55 2012"
               level="3">
        <file_statistics latency="04:31:34"
                         size="3048006"
                         time_creation="Mon Mar 19 01:03:07 2012"
                         time_modification="Tue Feb 21 03:31:04 2012" />
        <observations epoch_first="Mon Feb 20 00:00:00 2012"
                      epoch_last="Mon Feb 20 22:59:30 2012"
                      epochs="2760"
                      epochs_ratio="95.83">
          <mask elevation="03 degrees"
                obs_expected="27688"
                obs_have="22881"
                obs_ratio="82.64" />
          <mask elevation="10 degrees"
                obs_expected="22915"
                obs_have="22869"
                obs_ratio="99.80" />
          <mask elevation="15 degrees"
                obs_expected="20135"
                obs_have="20135"
                obs_ratio="100.00" />
        </observations>
      </control>
    </file>
    <file name="/cheb051a.12o"
          error="0"
          interval="1"
          session="a">
      <control date="Mon Feb 20 01:20:09 2012"
               level="3">
        <file_statistics latency="00:09:52"
                         size="3353873"
                         time_creation="Mon Feb 20 01:13:12 2012"
                         time_modification="Mon Feb 20 01:09:51 2012" />
        <observations epoch_first="Mon Feb 20 00:00:00 2012"
                      epoch_last="Mon Feb 20 00:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="28926"
                obs_have="25022"
                obs_ratio="86.50" />
          <mask elevation="10 degrees"
                obs_expected="25104"
                obs_have="24995"
                obs_ratio="99.57" />
          <mask elevation="15 degrees"
                obs_expected="22598"
                obs_have="22598"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Mon Feb 20 01:45:18 2012"
               level="3">
        <file_statistics latency="00:09:52"
                         size="3353873"
                         time_creation="Mon Feb 20 01:13:12 2012"
                         time_modification="Mon Feb 20 01:09:51 2012" />
        <observations epoch_first="Mon Feb 20 00:00:00 2012"
                      epoch_last="Mon Feb 20 00:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="28926"
                obs_have="25022"
                obs_ratio="86.50" />
          <mask elevation="10 degrees"
                obs_expected="25104"
                obs_have="24995"
                obs_ratio="99.57" />
          <mask elevation="15 degrees"
                obs_expected="22598"
                obs_have="22598"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Mon Feb 20 03:40:35 2012"
               level="3">
        <file_statistics latency="00:09:52"
                         size="3353873"
                         time_creation="Mon Feb 20 01:13:12 2012"
                         time_modification="Mon Feb 20 01:09:51 2012" />
        <observations epoch_first="Mon Feb 20 00:00:00 2012"
                      epoch_last="Mon Feb 20 00:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="28926"
                obs_have="25022"
                obs_ratio="86.50" />
          <mask elevation="10 degrees"
                obs_expected="25104"
                obs_have="24995"
                obs_ratio="99.57" />
          <mask elevation="15 degrees"
                obs_expected="22598"
                obs_have="22598"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Feb 21 22:23:33 2012"
               level="3">
        <file_statistics latency="00:09:52"
                         size="3353873"
                         time_creation="Mon Feb 20 01:13:12 2012"
                         time_modification="Mon Feb 20 01:09:51 2012" />
        <observations epoch_first="Mon Feb 20 00:00:00 2012"
                      epoch_last="Mon Feb 20 00:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="28926"
                obs_have="25022"
                obs_ratio="86.50" />
          <mask elevation="10 degrees"
                obs_expected="25104"
                obs_have="24995"
                obs_ratio="99.57" />
          <mask elevation="15 degrees"
                obs_expected="22598"
                obs_have="22598"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Wed Mar 21 07:49:22 2012"
               level="3">
        <file_statistics latency="00:09:52"
                         size="3353873"
                         time_creation="Mon Mar 19 00:59:45 2012"
                         time_modification="Mon Feb 20 01:09:51 2012" />
        <observations epoch_first="Mon Feb 20 00:00:00 2012"
                      epoch_last="Mon Feb 20 00:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="28926"
                obs_have="25022"
                obs_ratio="86.50" />
          <mask elevation="10 degrees"
                obs_expected="25104"
                obs_have="24995"
                obs_ratio="99.57" />
          <mask elevation="15 degrees"
                obs_expected="22598"
                obs_have="22598"
                obs_ratio="100.00" />
        </observations>
      </control>
    </file>
    <file name="/cheb051b.12o"
          error="0"
          interval="1"
          session="b">
      <control date="Mon Feb 20 02:19:34 2012"
               level="3">
        <file_statistics latency="00:09:54"
                         size="3327264"
                         time_creation="Mon Feb 20 02:13:08 2012"
                         time_modification="Mon Feb 20 02:09:53 2012" />
        <observations epoch_first="Mon Feb 20 01:00:00 2012"
                      epoch_last="Mon Feb 20 01:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="31549"
                obs_have="24835"
                obs_ratio="78.72" />
          <mask elevation="10 degrees"
                obs_expected="24895"
                obs_have="24810"
                obs_ratio="99.66" />
          <mask elevation="15 degrees"
                obs_expected="20245"
                obs_have="20245"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Mon Feb 20 02:45:21 2012"
               level="3">
        <file_statistics latency="00:09:54"
                         size="3327264"
                         time_creation="Mon Feb 20 02:13:08 2012"
                         time_modification="Mon Feb 20 02:09:53 2012" />
        <observations epoch_first="Mon Feb 20 01:00:00 2012"
                      epoch_last="Mon Feb 20 01:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="31549"
                obs_have="24835"
                obs_ratio="78.72" />
          <mask elevation="10 degrees"
                obs_expected="24895"
                obs_have="24810"
                obs_ratio="99.66" />
          <mask elevation="15 degrees"
                obs_expected="20245"
                obs_have="20245"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Mon Feb 20 04:38:58 2012"
               level="3">
        <file_statistics latency="00:09:54"
                         size="3327264"
                         time_creation="Mon Feb 20 02:13:08 2012"
                         time_modification="Mon Feb 20 02:09:53 2012" />
        <observations epoch_first="Mon Feb 20 01:00:00 2012"
                      epoch_last="Mon Feb 20 01:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="31549"
                obs_have="24835"
                obs_ratio="78.72" />
          <mask elevation="10 degrees"
                obs_expected="24895"
                obs_have="24810"
                obs_ratio="99.66" />
          <mask elevation="15 degrees"
                obs_expected="20245"
                obs_have="20245"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Feb 21 22:23:33 2012"
               level="3">
        <file_statistics latency="00:09:54"
                         size="3327264"
                         time_creation="Mon Feb 20 02:13:08 2012"
                         time_modification="Mon Feb 20 02:09:53 2012" />
        <observations epoch_first="Mon Feb 20 01:00:00 2012"
                      epoch_last="Mon Feb 20 01:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="31549"
                obs_have="24835"
                obs_ratio="78.72" />
          <mask elevation="10 degrees"
                obs_expected="24895"
                obs_have="24810"
                obs_ratio="99.66" />
          <mask elevation="15 degrees"
                obs_expected="20245"
                obs_have="20245"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Wed Mar 21 07:49:22 2012"
               level="3">
        <file_statistics latency="00:09:54"
                         size="3327264"
                         time_creation="Mon Mar 19 00:59:46 2012"
                         time_modification="Mon Feb 20 02:09:53 2012" />
        <observations epoch_first="Mon Feb 20 01:00:00 2012"
                      epoch_last="Mon Feb 20 01:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="31549"
                obs_have="24835"
                obs_ratio="78.72" />
          <mask elevation="10 degrees"
                obs_expected="24895"
                obs_have="24810"
                obs_ratio="99.66" />
          <mask elevation="15 degrees"
                obs_expected="20245"
                obs_have="20245"
                obs_ratio="100.00" />
        </observations>
      </control>
    </file>
    <file name="/cheb051c.12o"
          error="0"
          interval="1"
          session="c">
      <control date="Mon Feb 20 03:26:04 2012"
               level="3">
        <file_statistics latency="00:09:56"
                         size="4053114"
                         time_creation="Mon Feb 20 03:13:13 2012"
                         time_modification="Mon Feb 20 03:09:55 2012" />
        <observations epoch_first="Mon Feb 20 02:00:00 2012"
                      epoch_last="Mon Feb 20 02:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="33411"
                obs_have="30467"
                obs_ratio="91.19" />
          <mask elevation="10 degrees"
                obs_expected="30550"
                obs_have="30446"
                obs_ratio="99.66" />
          <mask elevation="15 degrees"
                obs_expected="24416"
                obs_have="24416"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Mon Feb 20 03:56:54 2012"
               level="3">
        <file_statistics latency="00:09:56"
                         size="4053114"
                         time_creation="Mon Feb 20 03:13:13 2012"
                         time_modification="Mon Feb 20 03:09:55 2012" />
        <observations epoch_first="Mon Feb 20 02:00:00 2012"
                      epoch_last="Mon Feb 20 02:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="33411"
                obs_have="30467"
                obs_ratio="91.19" />
          <mask elevation="10 degrees"
                obs_expected="30550"
                obs_have="30446"
                obs_ratio="99.66" />
          <mask elevation="15 degrees"
                obs_expected="24416"
                obs_have="24416"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Mon Feb 20 05:44:56 2012"
               level="3">
        <file_statistics latency="00:09:56"
                         size="4053114"
                         time_creation="Mon Feb 20 03:13:13 2012"
                         time_modification="Mon Feb 20 03:09:55 2012" />
        <observations epoch_first="Mon Feb 20 02:00:00 2012"
                      epoch_last="Mon Feb 20 02:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="33411"
                obs_have="30467"
                obs_ratio="91.19" />
          <mask elevation="10 degrees"
                obs_expected="30550"
                obs_have="30446"
                obs_ratio="99.66" />
          <mask elevation="15 degrees"
                obs_expected="24416"
                obs_have="24416"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Feb 21 22:23:33 2012"
               level="3">
        <file_statistics latency="00:09:56"
                         size="4053114"
                         time_creation="Mon Feb 20 03:13:13 2012"
                         time_modification="Mon Feb 20 03:09:55 2012" />
        <observations epoch_first="Mon Feb 20 02:00:00 2012"
                      epoch_last="Mon Feb 20 02:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="33411"
                obs_have="30467"
                obs_ratio="91.19" />
          <mask elevation="10 degrees"
                obs_expected="30550"
                obs_have="30446"
                obs_ratio="99.66" />
          <mask elevation="15 degrees"
                obs_expected="24416"
                obs_have="24416"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Wed Mar 21 07:49:22 2012"
               level="3">
        <file_statistics latency="00:09:56"
                         size="4053114"
                         time_creation="Mon Mar 19 00:59:47 2012"
                         time_modification="Mon Feb 20 03:09:55 2012" />
        <observations epoch_first="Mon Feb 20 02:00:00 2012"
                      epoch_last="Mon Feb 20 02:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="33411"
                obs_have="30467"
                obs_ratio="91.19" />
          <mask elevation="10 degrees"
                obs_expected="30550"
                obs_have="30446"
                obs_ratio="99.66" />
          <mask elevation="15 degrees"
                obs_expected="24416"
                obs_have="24416"
                obs_ratio="100.00" />
        </observations>
      </control>
    </file>
    <file name="/cheb051d.12o"
          error="0"
          interval="1"
          session="d">
      <control date="Mon Feb 20 04:24:23 2012"
               level="3">
        <file_statistics latency="00:09:57"
                         size="3852582"
                         time_creation="Mon Feb 20 04:13:16 2012"
                         time_modification="Mon Feb 20 04:09:56 2012" />
        <observations epoch_first="Mon Feb 20 03:00:00 2012"
                      epoch_last="Mon Feb 20 03:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="34162"
                obs_have="28923"
                obs_ratio="84.66" />
          <mask elevation="10 degrees"
                obs_expected="28934"
                obs_have="28872"
                obs_ratio="99.79" />
          <mask elevation="15 degrees"
                obs_expected="26313"
                obs_have="26313"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Mon Feb 20 04:51:49 2012"
               level="3">
        <file_statistics latency="00:09:57"
                         size="3852582"
                         time_creation="Mon Feb 20 04:13:16 2012"
                         time_modification="Mon Feb 20 04:09:56 2012" />
        <observations epoch_first="Mon Feb 20 03:00:00 2012"
                      epoch_last="Mon Feb 20 03:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="34162"
                obs_have="28923"
                obs_ratio="84.66" />
          <mask elevation="10 degrees"
                obs_expected="28934"
                obs_have="28872"
                obs_ratio="99.79" />
          <mask elevation="15 degrees"
                obs_expected="26313"
                obs_have="26313"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Feb 21 22:23:33 2012"
               level="3">
        <file_statistics latency="00:09:57"
                         size="3852582"
                         time_creation="Mon Feb 20 04:13:16 2012"
                         time_modification="Mon Feb 20 04:09:56 2012" />
        <observations epoch_first="Mon Feb 20 03:00:00 2012"
                      epoch_last="Mon Feb 20 03:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="34162"
                obs_have="28923"
                obs_ratio="84.66" />
          <mask elevation="10 degrees"
                obs_expected="28934"
                obs_have="28872"
                obs_ratio="99.79" />
          <mask elevation="15 degrees"
                obs_expected="26313"
                obs_have="26313"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Wed Mar 21 07:49:22 2012"
               level="3">
        <file_statistics latency="00:09:57"
                         size="3852582"
                         time_creation="Mon Mar 19 00:59:47 2012"
                         time_modification="Mon Feb 20 04:09:56 2012" />
        <observations epoch_first="Mon Feb 20 03:00:00 2012"
                      epoch_last="Mon Feb 20 03:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="34162"
                obs_have="28923"
                obs_ratio="84.66" />
          <mask elevation="10 degrees"
                obs_expected="28934"
                obs_have="28872"
                obs_ratio="99.79" />
          <mask elevation="15 degrees"
                obs_expected="26313"
                obs_have="26313"
                obs_ratio="100.00" />
        </observations>
      </control>
    </file>
    <file name="/cheb051e.12o"
          error="0"
          interval="1"
          session="e">
      <control date="Mon Feb 20 05:25:58 2012"
               level="3">
        <file_statistics latency="00:09:58"
                         size="4350619"
                         time_creation="Mon Feb 20 05:13:19 2012"
                         time_modification="Mon Feb 20 05:09:57 2012" />
        <observations epoch_first="Mon Feb 20 04:00:00 2012"
                      epoch_last="Mon Feb 20 04:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="34088"
                obs_have="32782"
                obs_ratio="96.17" />
          <mask elevation="10 degrees"
                obs_expected="32813"
                obs_have="32772"
                obs_ratio="99.88" />
          <mask elevation="15 degrees"
                obs_expected="30179"
                obs_have="30179"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Mon Feb 20 06:00:13 2012"
               level="3">
        <file_statistics latency="00:09:58"
                         size="4350619"
                         time_creation="Mon Feb 20 05:13:19 2012"
                         time_modification="Mon Feb 20 05:09:57 2012" />
        <observations epoch_first="Mon Feb 20 04:00:00 2012"
                      epoch_last="Mon Feb 20 04:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="34088"
                obs_have="32782"
                obs_ratio="96.17" />
          <mask elevation="10 degrees"
                obs_expected="32813"
                obs_have="32772"
                obs_ratio="99.88" />
          <mask elevation="15 degrees"
                obs_expected="30179"
                obs_have="30179"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Mon Feb 20 07:17:58 2012"
               level="3">
        <file_statistics latency="00:09:58"
                         size="4350619"
                         time_creation="Mon Feb 20 05:13:19 2012"
                         time_modification="Mon Feb 20 05:09:57 2012" />
        <observations epoch_first="Mon Feb 20 04:00:00 2012"
                      epoch_last="Mon Feb 20 04:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="34088"
                obs_have="32782"
                obs_ratio="96.17" />
          <mask elevation="10 degrees"
                obs_expected="32813"
                obs_have="32772"
                obs_ratio="99.88" />
          <mask elevation="15 degrees"
                obs_expected="30179"
                obs_have="30179"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Mon Feb 20 07:53:42 2012"
               level="3">
        <file_statistics latency="00:09:58"
                         size="4350619"
                         time_creation="Mon Feb 20 05:13:19 2012"
                         time_modification="Mon Feb 20 05:09:57 2012" />
        <observations epoch_first="Mon Feb 20 04:00:00 2012"
                      epoch_last="Mon Feb 20 04:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="34088"
                obs_have="32782"
                obs_ratio="96.17" />
          <mask elevation="10 degrees"
                obs_expected="32813"
                obs_have="32772"
                obs_ratio="99.88" />
          <mask elevation="15 degrees"
                obs_expected="30179"
                obs_have="30179"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Feb 21 22:23:33 2012"
               level="3">
        <file_statistics latency="00:09:58"
                         size="4350619"
                         time_creation="Mon Feb 20 05:13:19 2012"
                         time_modification="Mon Feb 20 05:09:57 2012" />
        <observations epoch_first="Mon Feb 20 04:00:00 2012"
                      epoch_last="Mon Feb 20 04:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="34088"
                obs_have="32782"
                obs_ratio="96.17" />
          <mask elevation="10 degrees"
                obs_expected="32813"
                obs_have="32772"
                obs_ratio="99.88" />
          <mask elevation="15 degrees"
                obs_expected="30179"
                obs_have="30179"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Wed Mar 21 07:49:22 2012"
               level="3">
        <file_statistics latency="00:09:58"
                         size="4350619"
                         time_creation="Mon Mar 19 00:59:48 2012"
                         time_modification="Mon Feb 20 05:09:57 2012" />
        <observations epoch_first="Mon Feb 20 04:00:00 2012"
                      epoch_last="Mon Feb 20 04:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="34088"
                obs_have="32782"
                obs_ratio="96.17" />
          <mask elevation="10 degrees"
                obs_expected="32813"
                obs_have="32772"
                obs_ratio="99.88" />
          <mask elevation="15 degrees"
                obs_expected="30179"
                obs_have="30179"
                obs_ratio="100.00" />
        </observations>
      </control>
    </file>
    <file name="/cheb051f.12o"
          error="0"
          interval="1"
          session="f">
      <control date="Mon Feb 20 06:34:16 2012"
               level="3">
        <file_statistics latency="00:09:59"
                         size="4803539"
                         time_creation="Mon Feb 20 06:13:23 2012"
                         time_modification="Mon Feb 20 06:09:58 2012" />
        <observations epoch_first="Mon Feb 20 05:00:00 2012"
                      epoch_last="Mon Feb 20 05:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="39199"
                obs_have="36286"
                obs_ratio="92.57" />
          <mask elevation="10 degrees"
                obs_expected="36361"
                obs_have="36279"
                obs_ratio="99.77" />
          <mask elevation="15 degrees"
                obs_expected="30967"
                obs_have="30967"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Mon Feb 20 07:00:03 2012"
               level="3">
        <file_statistics latency="00:09:59"
                         size="4803539"
                         time_creation="Mon Feb 20 06:13:23 2012"
                         time_modification="Mon Feb 20 06:09:58 2012" />
        <observations epoch_first="Mon Feb 20 05:00:00 2012"
                      epoch_last="Mon Feb 20 05:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="39199"
                obs_have="36286"
                obs_ratio="92.57" />
          <mask elevation="10 degrees"
                obs_expected="36361"
                obs_have="36279"
                obs_ratio="99.77" />
          <mask elevation="15 degrees"
                obs_expected="30967"
                obs_have="30967"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Mon Feb 20 08:47:41 2012"
               level="3">
        <file_statistics latency="00:09:59"
                         size="4803539"
                         time_creation="Mon Feb 20 06:13:23 2012"
                         time_modification="Mon Feb 20 06:09:58 2012" />
        <observations epoch_first="Mon Feb 20 05:00:00 2012"
                      epoch_last="Mon Feb 20 05:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="39199"
                obs_have="36286"
                obs_ratio="92.57" />
          <mask elevation="10 degrees"
                obs_expected="36361"
                obs_have="36279"
                obs_ratio="99.77" />
          <mask elevation="15 degrees"
                obs_expected="30967"
                obs_have="30967"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Feb 21 22:23:33 2012"
               level="3">
        <file_statistics latency="00:09:59"
                         size="4803539"
                         time_creation="Mon Feb 20 06:13:23 2012"
                         time_modification="Mon Feb 20 06:09:58 2012" />
        <observations epoch_first="Mon Feb 20 05:00:00 2012"
                      epoch_last="Mon Feb 20 05:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="39199"
                obs_have="36286"
                obs_ratio="92.57" />
          <mask elevation="10 degrees"
                obs_expected="36361"
                obs_have="36279"
                obs_ratio="99.77" />
          <mask elevation="15 degrees"
                obs_expected="30967"
                obs_have="30967"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Wed Mar 21 07:49:22 2012"
               level="3">
        <file_statistics latency="00:09:59"
                         size="4803539"
                         time_creation="Mon Mar 19 00:59:48 2012"
                         time_modification="Mon Feb 20 06:09:58 2012" />
        <observations epoch_first="Mon Feb 20 05:00:00 2012"
                      epoch_last="Mon Feb 20 05:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="39199"
                obs_have="36286"
                obs_ratio="92.57" />
          <mask elevation="10 degrees"
                obs_expected="36361"
                obs_have="36279"
                obs_ratio="99.77" />
          <mask elevation="15 degrees"
                obs_expected="30967"
                obs_have="30967"
                obs_ratio="100.00" />
        </observations>
      </control>
    </file>
    <file name="/cheb051g.12o"
          error="0"
          interval="1"
          session="g">
      <control date="Mon Feb 20 07:34:45 2012"
               level="3">
        <file_statistics latency="00:09:57"
                         size="4486868"
                         time_creation="Mon Feb 20 07:13:19 2012"
                         time_modification="Mon Feb 20 07:09:56 2012" />
        <observations epoch_first="Mon Feb 20 06:00:00 2012"
                      epoch_last="Mon Feb 20 06:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="42758"
                obs_have="33776"
                obs_ratio="78.99" />
          <mask elevation="10 degrees"
                obs_expected="33865"
                obs_have="33698"
                obs_ratio="99.51" />
          <mask elevation="15 degrees"
                obs_expected="27650"
                obs_have="27650"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Mon Feb 20 08:05:17 2012"
               level="3">
        <file_statistics latency="00:09:57"
                         size="4486868"
                         time_creation="Mon Feb 20 07:13:19 2012"
                         time_modification="Mon Feb 20 07:09:56 2012" />
        <observations epoch_first="Mon Feb 20 06:00:00 2012"
                      epoch_last="Mon Feb 20 06:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="42758"
                obs_have="33776"
                obs_ratio="78.99" />
          <mask elevation="10 degrees"
                obs_expected="33865"
                obs_have="33698"
                obs_ratio="99.51" />
          <mask elevation="15 degrees"
                obs_expected="27650"
                obs_have="27650"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Mon Feb 20 09:38:14 2012"
               level="3">
        <file_statistics latency="00:09:57"
                         size="4486868"
                         time_creation="Mon Feb 20 07:13:19 2012"
                         time_modification="Mon Feb 20 07:09:56 2012" />
        <observations epoch_first="Mon Feb 20 06:00:00 2012"
                      epoch_last="Mon Feb 20 06:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="42758"
                obs_have="33776"
                obs_ratio="78.99" />
          <mask elevation="10 degrees"
                obs_expected="33865"
                obs_have="33698"
                obs_ratio="99.51" />
          <mask elevation="15 degrees"
                obs_expected="27650"
                obs_have="27650"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Feb 21 22:23:33 2012"
               level="3">
        <file_statistics latency="00:09:57"
                         size="4486868"
                         time_creation="Mon Feb 20 07:13:19 2012"
                         time_modification="Mon Feb 20 07:09:56 2012" />
        <observations epoch_first="Mon Feb 20 06:00:00 2012"
                      epoch_last="Mon Feb 20 06:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="42758"
                obs_have="33776"
                obs_ratio="78.99" />
          <mask elevation="10 degrees"
                obs_expected="33865"
                obs_have="33698"
                obs_ratio="99.51" />
          <mask elevation="15 degrees"
                obs_expected="27650"
                obs_have="27650"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Wed Mar 21 07:49:22 2012"
               level="3">
        <file_statistics latency="00:09:57"
                         size="4486868"
                         time_creation="Mon Mar 19 00:59:49 2012"
                         time_modification="Mon Feb 20 07:09:56 2012" />
        <observations epoch_first="Mon Feb 20 06:00:00 2012"
                      epoch_last="Mon Feb 20 06:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="42758"
                obs_have="33776"
                obs_ratio="78.99" />
          <mask elevation="10 degrees"
                obs_expected="33865"
                obs_have="33698"
                obs_ratio="99.51" />
          <mask elevation="15 degrees"
                obs_expected="27650"
                obs_have="27650"
                obs_ratio="100.00" />
        </observations>
      </control>
    </file>
    <file name="/cheb051h.12o"
          error="0"
          interval="1"
          session="h">
      <control date="Mon Feb 20 08:25:10 2012"
               level="3">
        <file_statistics latency="00:09:47"
                         size="4603475"
                         time_creation="Mon Feb 20 08:13:19 2012"
                         time_modification="Mon Feb 20 08:09:46 2012" />
        <observations epoch_first="Mon Feb 20 07:00:00 2012"
                      epoch_last="Mon Feb 20 07:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="36952"
                obs_have="34743"
                obs_ratio="94.02" />
          <mask elevation="10 degrees"
                obs_expected="34765"
                obs_have="34736"
                obs_ratio="99.92" />
          <mask elevation="15 degrees"
                obs_expected="32498"
                obs_have="32498"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Mon Feb 20 08:59:24 2012"
               level="3">
        <file_statistics latency="00:09:47"
                         size="4603475"
                         time_creation="Mon Feb 20 08:13:19 2012"
                         time_modification="Mon Feb 20 08:09:46 2012" />
        <observations epoch_first="Mon Feb 20 07:00:00 2012"
                      epoch_last="Mon Feb 20 07:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="36952"
                obs_have="34743"
                obs_ratio="94.02" />
          <mask elevation="10 degrees"
                obs_expected="34765"
                obs_have="34736"
                obs_ratio="99.92" />
          <mask elevation="15 degrees"
                obs_expected="32498"
                obs_have="32498"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Mon Feb 20 10:36:07 2012"
               level="3">
        <file_statistics latency="00:09:47"
                         size="4603475"
                         time_creation="Mon Feb 20 08:13:19 2012"
                         time_modification="Mon Feb 20 08:09:46 2012" />
        <observations epoch_first="Mon Feb 20 07:00:00 2012"
                      epoch_last="Mon Feb 20 07:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="36952"
                obs_have="34743"
                obs_ratio="94.02" />
          <mask elevation="10 degrees"
                obs_expected="34765"
                obs_have="34736"
                obs_ratio="99.92" />
          <mask elevation="15 degrees"
                obs_expected="32498"
                obs_have="32498"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Feb 21 22:23:33 2012"
               level="3">
        <file_statistics latency="00:09:47"
                         size="4603475"
                         time_creation="Mon Feb 20 08:13:19 2012"
                         time_modification="Mon Feb 20 08:09:46 2012" />
        <observations epoch_first="Mon Feb 20 07:00:00 2012"
                      epoch_last="Mon Feb 20 07:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="36952"
                obs_have="34743"
                obs_ratio="94.02" />
          <mask elevation="10 degrees"
                obs_expected="34765"
                obs_have="34736"
                obs_ratio="99.92" />
          <mask elevation="15 degrees"
                obs_expected="32498"
                obs_have="32498"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Wed Mar 21 07:49:22 2012"
               level="3">
        <file_statistics latency="00:09:47"
                         size="4603475"
                         time_creation="Mon Mar 19 00:59:49 2012"
                         time_modification="Mon Feb 20 08:09:46 2012" />
        <observations epoch_first="Mon Feb 20 07:00:00 2012"
                      epoch_last="Mon Feb 20 07:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="36952"
                obs_have="34743"
                obs_ratio="94.02" />
          <mask elevation="10 degrees"
                obs_expected="34765"
                obs_have="34736"
                obs_ratio="99.92" />
          <mask elevation="15 degrees"
                obs_expected="32498"
                obs_have="32498"
                obs_ratio="100.00" />
        </observations>
      </control>
    </file>
    <file name="/cheb051i.12o"
          error="0"
          interval="1"
          session="i">
      <control date="Mon Feb 20 09:21:59 2012"
               level="3">
        <file_statistics latency="00:08:48"
                         size="4305501"
                         time_creation="Mon Feb 20 09:13:21 2012"
                         time_modification="Mon Feb 20 09:08:47 2012" />
        <observations epoch_first="Mon Feb 20 08:00:00 2012"
                      epoch_last="Mon Feb 20 08:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="36298"
                obs_have="32434"
                obs_ratio="89.35" />
          <mask elevation="10 degrees"
                obs_expected="32427"
                obs_have="32410"
                obs_ratio="99.95" />
          <mask elevation="15 degrees"
                obs_expected="29526"
                obs_have="29526"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Mon Feb 20 09:48:58 2012"
               level="3">
        <file_statistics latency="00:08:48"
                         size="4305501"
                         time_creation="Mon Feb 20 09:13:21 2012"
                         time_modification="Mon Feb 20 09:08:47 2012" />
        <observations epoch_first="Mon Feb 20 08:00:00 2012"
                      epoch_last="Mon Feb 20 08:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="36298"
                obs_have="32434"
                obs_ratio="89.35" />
          <mask elevation="10 degrees"
                obs_expected="32427"
                obs_have="32410"
                obs_ratio="99.95" />
          <mask elevation="15 degrees"
                obs_expected="29526"
                obs_have="29526"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Mon Feb 20 11:35:21 2012"
               level="3">
        <file_statistics latency="00:08:48"
                         size="4305501"
                         time_creation="Mon Feb 20 09:13:21 2012"
                         time_modification="Mon Feb 20 09:08:47 2012" />
        <observations epoch_first="Mon Feb 20 08:00:00 2012"
                      epoch_last="Mon Feb 20 08:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="36298"
                obs_have="32434"
                obs_ratio="89.35" />
          <mask elevation="10 degrees"
                obs_expected="32427"
                obs_have="32410"
                obs_ratio="99.95" />
          <mask elevation="15 degrees"
                obs_expected="29526"
                obs_have="29526"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Feb 21 22:23:33 2012"
               level="3">
        <file_statistics latency="00:08:48"
                         size="4305501"
                         time_creation="Mon Feb 20 09:13:21 2012"
                         time_modification="Mon Feb 20 09:08:47 2012" />
        <observations epoch_first="Mon Feb 20 08:00:00 2012"
                      epoch_last="Mon Feb 20 08:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="36298"
                obs_have="32434"
                obs_ratio="89.35" />
          <mask elevation="10 degrees"
                obs_expected="32427"
                obs_have="32410"
                obs_ratio="99.95" />
          <mask elevation="15 degrees"
                obs_expected="29526"
                obs_have="29526"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Wed Mar 21 07:49:22 2012"
               level="3">
        <file_statistics latency="00:08:48"
                         size="4305501"
                         time_creation="Mon Mar 19 00:59:50 2012"
                         time_modification="Mon Feb 20 09:08:47 2012" />
        <observations epoch_first="Mon Feb 20 08:00:00 2012"
                      epoch_last="Mon Feb 20 08:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="36298"
                obs_have="32434"
                obs_ratio="89.35" />
          <mask elevation="10 degrees"
                obs_expected="32427"
                obs_have="32410"
                obs_ratio="99.95" />
          <mask elevation="15 degrees"
                obs_expected="29526"
                obs_have="29526"
                obs_ratio="100.00" />
        </observations>
      </control>
    </file>
    <file name="/cheb051j.12o"
          error="0"
          interval="1"
          session="j">
      <control date="Mon Feb 20 10:21:09 2012"
               level="3">
        <file_statistics latency="00:09:58"
                         size="4151702"
                         time_creation="Mon Feb 20 10:13:29 2012"
                         time_modification="Mon Feb 20 10:09:57 2012" />
        <observations epoch_first="Mon Feb 20 09:00:00 2012"
                      epoch_last="Mon Feb 20 09:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="34854"
                obs_have="31233"
                obs_ratio="89.61" />
          <mask elevation="10 degrees"
                obs_expected="31256"
                obs_have="31210"
                obs_ratio="99.85" />
          <mask elevation="15 degrees"
                obs_expected="27651"
                obs_have="27651"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Mon Feb 20 10:47:41 2012"
               level="3">
        <file_statistics latency="00:09:58"
                         size="4151702"
                         time_creation="Mon Feb 20 10:13:29 2012"
                         time_modification="Mon Feb 20 10:09:57 2012" />
        <observations epoch_first="Mon Feb 20 09:00:00 2012"
                      epoch_last="Mon Feb 20 09:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="34854"
                obs_have="31233"
                obs_ratio="89.61" />
          <mask elevation="10 degrees"
                obs_expected="31256"
                obs_have="31210"
                obs_ratio="99.85" />
          <mask elevation="15 degrees"
                obs_expected="27651"
                obs_have="27651"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Mon Feb 20 12:37:42 2012"
               level="3">
        <file_statistics latency="00:09:58"
                         size="4151702"
                         time_creation="Mon Feb 20 10:13:29 2012"
                         time_modification="Mon Feb 20 10:09:57 2012" />
        <observations epoch_first="Mon Feb 20 09:00:00 2012"
                      epoch_last="Mon Feb 20 09:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="34854"
                obs_have="31233"
                obs_ratio="89.61" />
          <mask elevation="10 degrees"
                obs_expected="31256"
                obs_have="31210"
                obs_ratio="99.85" />
          <mask elevation="15 degrees"
                obs_expected="27651"
                obs_have="27651"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Feb 21 22:23:33 2012"
               level="3">
        <file_statistics latency="00:09:58"
                         size="4151702"
                         time_creation="Mon Feb 20 10:13:29 2012"
                         time_modification="Mon Feb 20 10:09:57 2012" />
        <observations epoch_first="Mon Feb 20 09:00:00 2012"
                      epoch_last="Mon Feb 20 09:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="34854"
                obs_have="31233"
                obs_ratio="89.61" />
          <mask elevation="10 degrees"
                obs_expected="31256"
                obs_have="31210"
                obs_ratio="99.85" />
          <mask elevation="15 degrees"
                obs_expected="27651"
                obs_have="27651"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Wed Mar 21 07:49:22 2012"
               level="3">
        <file_statistics latency="00:09:58"
                         size="4151702"
                         time_creation="Mon Mar 19 00:59:51 2012"
                         time_modification="Mon Feb 20 10:09:57 2012" />
        <observations epoch_first="Mon Feb 20 09:00:00 2012"
                      epoch_last="Mon Feb 20 09:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="34854"
                obs_have="31233"
                obs_ratio="89.61" />
          <mask elevation="10 degrees"
                obs_expected="31256"
                obs_have="31210"
                obs_ratio="99.85" />
          <mask elevation="15 degrees"
                obs_expected="27651"
                obs_have="27651"
                obs_ratio="100.00" />
        </observations>
      </control>
    </file>
    <file name="/cheb051k.12o"
          error="0"
          interval="1"
          session="k">
      <control date="Mon Feb 20 11:18:49 2012"
               level="3">
        <file_statistics latency="00:09:04"
                         size="3949237"
                         time_creation="Mon Feb 20 11:13:50 2012"
                         time_modification="Mon Feb 20 11:09:03 2012" />
        <observations epoch_first="Mon Feb 20 10:00:00 2012"
                      epoch_last="Mon Feb 20 10:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="32948"
                obs_have="29660"
                obs_ratio="90.02" />
          <mask elevation="10 degrees"
                obs_expected="29715"
                obs_have="29646"
                obs_ratio="99.77" />
          <mask elevation="15 degrees"
                obs_expected="27371"
                obs_have="27371"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Mon Feb 20 11:43:54 2012"
               level="3">
        <file_statistics latency="00:09:04"
                         size="3949237"
                         time_creation="Mon Feb 20 11:13:50 2012"
                         time_modification="Mon Feb 20 11:09:03 2012" />
        <observations epoch_first="Mon Feb 20 10:00:00 2012"
                      epoch_last="Mon Feb 20 10:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="32948"
                obs_have="29660"
                obs_ratio="90.02" />
          <mask elevation="10 degrees"
                obs_expected="29715"
                obs_have="29646"
                obs_ratio="99.77" />
          <mask elevation="15 degrees"
                obs_expected="27371"
                obs_have="27371"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Mon Feb 20 13:35:55 2012"
               level="3">
        <file_statistics latency="00:09:04"
                         size="3949237"
                         time_creation="Mon Feb 20 11:13:50 2012"
                         time_modification="Mon Feb 20 11:09:03 2012" />
        <observations epoch_first="Mon Feb 20 10:00:00 2012"
                      epoch_last="Mon Feb 20 10:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="32948"
                obs_have="29660"
                obs_ratio="90.02" />
          <mask elevation="10 degrees"
                obs_expected="29715"
                obs_have="29646"
                obs_ratio="99.77" />
          <mask elevation="15 degrees"
                obs_expected="27371"
                obs_have="27371"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Feb 21 22:23:33 2012"
               level="3">
        <file_statistics latency="00:09:04"
                         size="3949237"
                         time_creation="Mon Feb 20 11:13:50 2012"
                         time_modification="Mon Feb 20 11:09:03 2012" />
        <observations epoch_first="Mon Feb 20 10:00:00 2012"
                      epoch_last="Mon Feb 20 10:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="32948"
                obs_have="29660"
                obs_ratio="90.02" />
          <mask elevation="10 degrees"
                obs_expected="29715"
                obs_have="29646"
                obs_ratio="99.77" />
          <mask elevation="15 degrees"
                obs_expected="27371"
                obs_have="27371"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Wed Mar 21 07:49:22 2012"
               level="3">
        <file_statistics latency="00:09:04"
                         size="3949237"
                         time_creation="Mon Mar 19 00:59:51 2012"
                         time_modification="Mon Feb 20 11:09:03 2012" />
        <observations epoch_first="Mon Feb 20 10:00:00 2012"
                      epoch_last="Mon Feb 20 10:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="32948"
                obs_have="29660"
                obs_ratio="90.02" />
          <mask elevation="10 degrees"
                obs_expected="29715"
                obs_have="29646"
                obs_ratio="99.77" />
          <mask elevation="15 degrees"
                obs_expected="27371"
                obs_have="27371"
                obs_ratio="100.00" />
        </observations>
      </control>
    </file>
    <file name="/cheb051l.12o"
          error="0"
          interval="1"
          session="l">
      <control date="Mon Feb 20 12:20:57 2012"
               level="3">
        <file_statistics latency="00:09:05"
                         size="4459738"
                         time_creation="Mon Feb 20 12:13:26 2012"
                         time_modification="Mon Feb 20 12:09:04 2012" />
        <observations epoch_first="Mon Feb 20 11:00:00 2012"
                      epoch_last="Mon Feb 20 11:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="36709"
                obs_have="33620"
                obs_ratio="91.59" />
          <mask elevation="10 degrees"
                obs_expected="33663"
                obs_have="33615"
                obs_ratio="99.86" />
          <mask elevation="15 degrees"
                obs_expected="31656"
                obs_have="31656"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Mon Feb 20 12:50:01 2012"
               level="3">
        <file_statistics latency="00:09:05"
                         size="4459738"
                         time_creation="Mon Feb 20 12:13:26 2012"
                         time_modification="Mon Feb 20 12:09:04 2012" />
        <observations epoch_first="Mon Feb 20 11:00:00 2012"
                      epoch_last="Mon Feb 20 11:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="36709"
                obs_have="33620"
                obs_ratio="91.59" />
          <mask elevation="10 degrees"
                obs_expected="33663"
                obs_have="33615"
                obs_ratio="99.86" />
          <mask elevation="15 degrees"
                obs_expected="31656"
                obs_have="31656"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Mon Feb 20 14:37:28 2012"
               level="3">
        <file_statistics latency="00:09:05"
                         size="4459738"
                         time_creation="Mon Feb 20 12:13:26 2012"
                         time_modification="Mon Feb 20 12:09:04 2012" />
        <observations epoch_first="Mon Feb 20 11:00:00 2012"
                      epoch_last="Mon Feb 20 11:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="36709"
                obs_have="33620"
                obs_ratio="91.59" />
          <mask elevation="10 degrees"
                obs_expected="33663"
                obs_have="33615"
                obs_ratio="99.86" />
          <mask elevation="15 degrees"
                obs_expected="31656"
                obs_have="31656"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Feb 21 22:23:33 2012"
               level="3">
        <file_statistics latency="00:09:05"
                         size="4459738"
                         time_creation="Mon Feb 20 12:13:26 2012"
                         time_modification="Mon Feb 20 12:09:04 2012" />
        <observations epoch_first="Mon Feb 20 11:00:00 2012"
                      epoch_last="Mon Feb 20 11:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="36709"
                obs_have="33620"
                obs_ratio="91.59" />
          <mask elevation="10 degrees"
                obs_expected="33663"
                obs_have="33615"
                obs_ratio="99.86" />
          <mask elevation="15 degrees"
                obs_expected="31656"
                obs_have="31656"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Wed Mar 21 07:49:22 2012"
               level="3">
        <file_statistics latency="00:09:05"
                         size="4459738"
                         time_creation="Mon Mar 19 00:59:52 2012"
                         time_modification="Mon Feb 20 12:09:04 2012" />
        <observations epoch_first="Mon Feb 20 11:00:00 2012"
                      epoch_last="Mon Feb 20 11:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="36709"
                obs_have="33620"
                obs_ratio="91.59" />
          <mask elevation="10 degrees"
                obs_expected="33663"
                obs_have="33615"
                obs_ratio="99.86" />
          <mask elevation="15 degrees"
                obs_expected="31656"
                obs_have="31656"
                obs_ratio="100.00" />
        </observations>
      </control>
    </file>
    <file name="/cheb051m.12o"
          error="0"
          interval="1"
          session="m">
      <control date="Mon Feb 20 13:20:18 2012"
               level="3">
        <file_statistics latency="00:09:29"
                         size="4151088"
                         time_creation="Mon Feb 20 13:13:38 2012"
                         time_modification="Mon Feb 20 13:09:28 2012" />
        <observations epoch_first="Mon Feb 20 12:00:00 2012"
                      epoch_last="Mon Feb 20 12:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="36724"
                obs_have="31237"
                obs_ratio="85.06" />
          <mask elevation="10 degrees"
                obs_expected="31219"
                obs_have="31187"
                obs_ratio="99.90" />
          <mask elevation="15 degrees"
                obs_expected="26593"
                obs_have="26593"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Mon Feb 20 13:45:49 2012"
               level="3">
        <file_statistics latency="00:09:29"
                         size="4151088"
                         time_creation="Mon Feb 20 13:13:38 2012"
                         time_modification="Mon Feb 20 13:09:28 2012" />
        <observations epoch_first="Mon Feb 20 12:00:00 2012"
                      epoch_last="Mon Feb 20 12:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="36724"
                obs_have="31237"
                obs_ratio="85.06" />
          <mask elevation="10 degrees"
                obs_expected="31219"
                obs_have="31187"
                obs_ratio="99.90" />
          <mask elevation="15 degrees"
                obs_expected="26593"
                obs_have="26593"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Mon Feb 20 15:35:40 2012"
               level="3">
        <file_statistics latency="00:09:29"
                         size="4151088"
                         time_creation="Mon Feb 20 13:13:38 2012"
                         time_modification="Mon Feb 20 13:09:28 2012" />
        <observations epoch_first="Mon Feb 20 12:00:00 2012"
                      epoch_last="Mon Feb 20 12:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="36724"
                obs_have="31237"
                obs_ratio="85.06" />
          <mask elevation="10 degrees"
                obs_expected="31219"
                obs_have="31187"
                obs_ratio="99.90" />
          <mask elevation="15 degrees"
                obs_expected="26593"
                obs_have="26593"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Feb 21 22:23:33 2012"
               level="3">
        <file_statistics latency="00:09:29"
                         size="4151088"
                         time_creation="Mon Feb 20 13:13:38 2012"
                         time_modification="Mon Feb 20 13:09:28 2012" />
        <observations epoch_first="Mon Feb 20 12:00:00 2012"
                      epoch_last="Mon Feb 20 12:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="36724"
                obs_have="31237"
                obs_ratio="85.06" />
          <mask elevation="10 degrees"
                obs_expected="31219"
                obs_have="31187"
                obs_ratio="99.90" />
          <mask elevation="15 degrees"
                obs_expected="26593"
                obs_have="26593"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Wed Mar 21 07:49:22 2012"
               level="3">
        <file_statistics latency="00:09:29"
                         size="4151088"
                         time_creation="Mon Mar 19 00:59:52 2012"
                         time_modification="Mon Feb 20 13:09:28 2012" />
        <observations epoch_first="Mon Feb 20 12:00:00 2012"
                      epoch_last="Mon Feb 20 12:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="36724"
                obs_have="31237"
                obs_ratio="85.06" />
          <mask elevation="10 degrees"
                obs_expected="31219"
                obs_have="31187"
                obs_ratio="99.90" />
          <mask elevation="15 degrees"
                obs_expected="26593"
                obs_have="26593"
                obs_ratio="100.00" />
        </observations>
      </control>
    </file>
    <file name="/cheb051n.12o"
          error="0"
          interval="1"
          session="n">
      <control date="Mon Feb 20 14:21:04 2012"
               level="3">
        <file_statistics latency="00:08:50"
                         size="4033605"
                         time_creation="Mon Feb 20 14:13:34 2012"
                         time_modification="Mon Feb 20 14:08:49 2012" />
        <observations epoch_first="Mon Feb 20 13:00:00 2012"
                      epoch_last="Mon Feb 20 13:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="38358"
                obs_have="30300"
                obs_ratio="78.99" />
          <mask elevation="10 degrees"
                obs_expected="30384"
                obs_have="30279"
                obs_ratio="99.65" />
          <mask elevation="15 degrees"
                obs_expected="25842"
                obs_have="25842"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Mon Feb 20 14:49:35 2012"
               level="3">
        <file_statistics latency="00:08:50"
                         size="4033605"
                         time_creation="Mon Feb 20 14:13:34 2012"
                         time_modification="Mon Feb 20 14:08:49 2012" />
        <observations epoch_first="Mon Feb 20 13:00:00 2012"
                      epoch_last="Mon Feb 20 13:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="38358"
                obs_have="30300"
                obs_ratio="78.99" />
          <mask elevation="10 degrees"
                obs_expected="30380"
                obs_have="30277"
                obs_ratio="99.66" />
          <mask elevation="15 degrees"
                obs_expected="25842"
                obs_have="25842"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Mon Feb 20 16:38:33 2012"
               level="3">
        <file_statistics latency="00:08:50"
                         size="4033605"
                         time_creation="Mon Feb 20 14:13:34 2012"
                         time_modification="Mon Feb 20 14:08:49 2012" />
        <observations epoch_first="Mon Feb 20 13:00:00 2012"
                      epoch_last="Mon Feb 20 13:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="38358"
                obs_have="30300"
                obs_ratio="78.99" />
          <mask elevation="10 degrees"
                obs_expected="30380"
                obs_have="30277"
                obs_ratio="99.66" />
          <mask elevation="15 degrees"
                obs_expected="25842"
                obs_have="25842"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Feb 21 22:23:33 2012"
               level="3">
        <file_statistics latency="00:08:50"
                         size="4033605"
                         time_creation="Mon Feb 20 14:13:34 2012"
                         time_modification="Mon Feb 20 14:08:49 2012" />
        <observations epoch_first="Mon Feb 20 13:00:00 2012"
                      epoch_last="Mon Feb 20 13:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="38358"
                obs_have="30300"
                obs_ratio="78.99" />
          <mask elevation="10 degrees"
                obs_expected="30380"
                obs_have="30277"
                obs_ratio="99.66" />
          <mask elevation="15 degrees"
                obs_expected="25842"
                obs_have="25842"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Wed Mar 21 07:49:22 2012"
               level="3">
        <file_statistics latency="00:08:50"
                         size="4033605"
                         time_creation="Mon Mar 19 00:59:53 2012"
                         time_modification="Mon Feb 20 14:08:49 2012" />
        <observations epoch_first="Mon Feb 20 13:00:00 2012"
                      epoch_last="Mon Feb 20 13:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="38358"
                obs_have="30300"
                obs_ratio="78.99" />
          <mask elevation="10 degrees"
                obs_expected="30380"
                obs_have="30277"
                obs_ratio="99.66" />
          <mask elevation="15 degrees"
                obs_expected="25842"
                obs_have="25842"
                obs_ratio="100.00" />
        </observations>
      </control>
    </file>
    <file name="/cheb051o.12o"
          error="0"
          interval="1"
          session="o">
      <control date="Mon Feb 20 15:45:27 2012"
               level="3">
        <file_statistics latency="00:09:03"
                         size="4295325"
                         time_creation="Mon Feb 20 15:23:34 2012"
                         time_modification="Mon Feb 20 15:09:02 2012" />
        <observations epoch_first="Mon Feb 20 14:00:00 2012"
                      epoch_last="Mon Feb 20 14:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="32400"
                obs_have="32363"
                obs_ratio="99.89" />
          <mask elevation="10 degrees"
                obs_expected="32359"
                obs_have="32359"
                obs_ratio="100.00" />
          <mask elevation="15 degrees"
                obs_expected="28034"
                obs_have="28034"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Mon Feb 20 17:41:01 2012"
               level="3">
        <file_statistics latency="00:09:03"
                         size="4295325"
                         time_creation="Mon Feb 20 15:23:34 2012"
                         time_modification="Mon Feb 20 15:09:02 2012" />
        <observations epoch_first="Mon Feb 20 14:00:00 2012"
                      epoch_last="Mon Feb 20 14:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="32400"
                obs_have="32363"
                obs_ratio="99.89" />
          <mask elevation="10 degrees"
                obs_expected="32359"
                obs_have="32359"
                obs_ratio="100.00" />
          <mask elevation="15 degrees"
                obs_expected="28034"
                obs_have="28034"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Feb 21 22:23:33 2012"
               level="3">
        <file_statistics latency="00:09:03"
                         size="4295325"
                         time_creation="Mon Feb 20 15:23:34 2012"
                         time_modification="Mon Feb 20 15:09:02 2012" />
        <observations epoch_first="Mon Feb 20 14:00:00 2012"
                      epoch_last="Mon Feb 20 14:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="32400"
                obs_have="32363"
                obs_ratio="99.89" />
          <mask elevation="10 degrees"
                obs_expected="32359"
                obs_have="32359"
                obs_ratio="100.00" />
          <mask elevation="15 degrees"
                obs_expected="28034"
                obs_have="28034"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Wed Mar 21 07:49:22 2012"
               level="3">
        <file_statistics latency="00:09:03"
                         size="4295325"
                         time_creation="Mon Mar 19 00:59:53 2012"
                         time_modification="Mon Feb 20 15:09:02 2012" />
        <observations epoch_first="Mon Feb 20 14:00:00 2012"
                      epoch_last="Mon Feb 20 14:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="32400"
                obs_have="32363"
                obs_ratio="99.89" />
          <mask elevation="10 degrees"
                obs_expected="32359"
                obs_have="32359"
                obs_ratio="100.00" />
          <mask elevation="15 degrees"
                obs_expected="28034"
                obs_have="28034"
                obs_ratio="100.00" />
        </observations>
      </control>
    </file>
    <file name="/cheb051p.12o"
          error="0"
          interval="1"
          session="p">
      <control date="Mon Feb 20 16:19:43 2012"
               level="3">
        <file_statistics latency="00:08:53"
                         size="3365755"
                         time_creation="Mon Feb 20 16:13:37 2012"
                         time_modification="Mon Feb 20 16:08:52 2012" />
        <observations epoch_first="Mon Feb 20 15:00:00 2012"
                      epoch_last="Mon Feb 20 15:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="28524"
                obs_have="25129"
                obs_ratio="88.10" />
          <mask elevation="10 degrees"
                obs_expected="25119"
                obs_have="25085"
                obs_ratio="99.86" />
          <mask elevation="15 degrees"
                obs_expected="23548"
                obs_have="23548"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Mon Feb 20 16:48:03 2012"
               level="3">
        <file_statistics latency="00:08:53"
                         size="3365755"
                         time_creation="Mon Feb 20 16:13:37 2012"
                         time_modification="Mon Feb 20 16:08:52 2012" />
        <observations epoch_first="Mon Feb 20 15:00:00 2012"
                      epoch_last="Mon Feb 20 15:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="28524"
                obs_have="25129"
                obs_ratio="88.10" />
          <mask elevation="10 degrees"
                obs_expected="25119"
                obs_have="25085"
                obs_ratio="99.86" />
          <mask elevation="15 degrees"
                obs_expected="23548"
                obs_have="23548"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Mon Feb 20 18:40:30 2012"
               level="3">
        <file_statistics latency="00:08:53"
                         size="3365755"
                         time_creation="Mon Feb 20 16:13:37 2012"
                         time_modification="Mon Feb 20 16:08:52 2012" />
        <observations epoch_first="Mon Feb 20 15:00:00 2012"
                      epoch_last="Mon Feb 20 15:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="28524"
                obs_have="25129"
                obs_ratio="88.10" />
          <mask elevation="10 degrees"
                obs_expected="25119"
                obs_have="25085"
                obs_ratio="99.86" />
          <mask elevation="15 degrees"
                obs_expected="23548"
                obs_have="23548"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Feb 21 22:23:33 2012"
               level="3">
        <file_statistics latency="00:08:53"
                         size="3365755"
                         time_creation="Mon Feb 20 16:13:37 2012"
                         time_modification="Mon Feb 20 16:08:52 2012" />
        <observations epoch_first="Mon Feb 20 15:00:00 2012"
                      epoch_last="Mon Feb 20 15:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="28524"
                obs_have="25129"
                obs_ratio="88.10" />
          <mask elevation="10 degrees"
                obs_expected="25119"
                obs_have="25085"
                obs_ratio="99.86" />
          <mask elevation="15 degrees"
                obs_expected="23548"
                obs_have="23548"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Wed Mar 21 07:49:22 2012"
               level="3">
        <file_statistics latency="00:08:53"
                         size="3365755"
                         time_creation="Mon Mar 19 00:59:54 2012"
                         time_modification="Mon Feb 20 16:08:52 2012" />
        <observations epoch_first="Mon Feb 20 15:00:00 2012"
                      epoch_last="Mon Feb 20 15:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="28524"
                obs_have="25129"
                obs_ratio="88.10" />
          <mask elevation="10 degrees"
                obs_expected="25119"
                obs_have="25085"
                obs_ratio="99.86" />
          <mask elevation="15 degrees"
                obs_expected="23548"
                obs_have="23548"
                obs_ratio="100.00" />
        </observations>
      </control>
    </file>
    <file name="/cheb051q.12o"
          error="0"
          interval="1"
          session="q">
      <control date="Mon Feb 20 17:55:13 2012"
               level="3">
        <file_statistics latency="00:11:45"
                         size="3266119"
                         time_creation="Mon Feb 20 17:18:49 2012"
                         time_modification="Mon Feb 20 17:11:44 2012" />
        <observations epoch_first="Mon Feb 20 16:00:00 2012"
                      epoch_last="Mon Feb 20 16:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="31467"
                obs_have="24354"
                obs_ratio="77.40" />
          <mask elevation="10 degrees"
                obs_expected="24412"
                obs_have="24321"
                obs_ratio="99.63" />
          <mask elevation="15 degrees"
                obs_expected="20539"
                obs_have="20539"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Mon Feb 20 19:41:56 2012"
               level="3">
        <file_statistics latency="00:11:45"
                         size="3266119"
                         time_creation="Mon Feb 20 17:18:49 2012"
                         time_modification="Mon Feb 20 17:11:44 2012" />
        <observations epoch_first="Mon Feb 20 16:00:00 2012"
                      epoch_last="Mon Feb 20 16:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="31467"
                obs_have="24354"
                obs_ratio="77.40" />
          <mask elevation="10 degrees"
                obs_expected="24412"
                obs_have="24321"
                obs_ratio="99.63" />
          <mask elevation="15 degrees"
                obs_expected="20539"
                obs_have="20539"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Feb 21 22:23:33 2012"
               level="3">
        <file_statistics latency="00:11:45"
                         size="3266119"
                         time_creation="Mon Feb 20 17:18:49 2012"
                         time_modification="Mon Feb 20 17:11:44 2012" />
        <observations epoch_first="Mon Feb 20 16:00:00 2012"
                      epoch_last="Mon Feb 20 16:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="31467"
                obs_have="24354"
                obs_ratio="77.40" />
          <mask elevation="10 degrees"
                obs_expected="24412"
                obs_have="24321"
                obs_ratio="99.63" />
          <mask elevation="15 degrees"
                obs_expected="20539"
                obs_have="20539"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Wed Mar 21 07:49:22 2012"
               level="3">
        <file_statistics latency="00:11:45"
                         size="3266119"
                         time_creation="Mon Mar 19 00:59:54 2012"
                         time_modification="Mon Feb 20 17:11:44 2012" />
        <observations epoch_first="Mon Feb 20 16:00:00 2012"
                      epoch_last="Mon Feb 20 16:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="31467"
                obs_have="24354"
                obs_ratio="77.40" />
          <mask elevation="10 degrees"
                obs_expected="24412"
                obs_have="24321"
                obs_ratio="99.63" />
          <mask elevation="15 degrees"
                obs_expected="20539"
                obs_have="20539"
                obs_ratio="100.00" />
        </observations>
      </control>
    </file>
    <file name="/cheb051r.12o"
          error="0"
          interval="1"
          session="r">
      <control date="Mon Feb 20 18:54:25 2012"
               level="3">
        <file_statistics latency="00:11:50"
                         size="3441428"
                         time_creation="Mon Feb 20 18:23:38 2012"
                         time_modification="Mon Feb 20 18:11:49 2012" />
        <observations epoch_first="Mon Feb 20 17:00:00 2012"
                      epoch_last="Mon Feb 20 17:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="30980"
                obs_have="25727"
                obs_ratio="83.04" />
          <mask elevation="10 degrees"
                obs_expected="25746"
                obs_have="25704"
                obs_ratio="99.84" />
          <mask elevation="15 degrees"
                obs_expected="19549"
                obs_have="19549"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Mon Feb 20 20:44:42 2012"
               level="3">
        <file_statistics latency="00:11:50"
                         size="3441428"
                         time_creation="Mon Feb 20 18:23:38 2012"
                         time_modification="Mon Feb 20 18:11:49 2012" />
        <observations epoch_first="Mon Feb 20 17:00:00 2012"
                      epoch_last="Mon Feb 20 17:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="30980"
                obs_have="25727"
                obs_ratio="83.04" />
          <mask elevation="10 degrees"
                obs_expected="25746"
                obs_have="25704"
                obs_ratio="99.84" />
          <mask elevation="15 degrees"
                obs_expected="19549"
                obs_have="19549"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Feb 21 22:23:33 2012"
               level="3">
        <file_statistics latency="00:11:50"
                         size="3441428"
                         time_creation="Mon Feb 20 18:23:38 2012"
                         time_modification="Mon Feb 20 18:11:49 2012" />
        <observations epoch_first="Mon Feb 20 17:00:00 2012"
                      epoch_last="Mon Feb 20 17:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="30980"
                obs_have="25727"
                obs_ratio="83.04" />
          <mask elevation="10 degrees"
                obs_expected="25746"
                obs_have="25704"
                obs_ratio="99.84" />
          <mask elevation="15 degrees"
                obs_expected="19549"
                obs_have="19549"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Wed Mar 21 07:49:22 2012"
               level="3">
        <file_statistics latency="00:11:50"
                         size="3441428"
                         time_creation="Mon Mar 19 00:59:55 2012"
                         time_modification="Mon Feb 20 18:11:49 2012" />
        <observations epoch_first="Mon Feb 20 17:00:00 2012"
                      epoch_last="Mon Feb 20 17:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="30980"
                obs_have="25727"
                obs_ratio="83.04" />
          <mask elevation="10 degrees"
                obs_expected="25746"
                obs_have="25704"
                obs_ratio="99.84" />
          <mask elevation="15 degrees"
                obs_expected="19549"
                obs_have="19549"
                obs_ratio="100.00" />
        </observations>
      </control>
    </file>
    <file name="/cheb051s.12o"
          error="0"
          interval="1"
          session="s">
      <control date="Mon Feb 20 19:59:42 2012"
               level="3">
        <file_statistics latency="00:11:57"
                         size="3632363"
                         time_creation="Mon Feb 20 19:24:55 2012"
                         time_modification="Mon Feb 20 19:11:56 2012" />
        <observations epoch_first="Mon Feb 20 18:00:00 2012"
                      epoch_last="Mon Feb 20 18:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="28800"
                obs_have="27215"
                obs_ratio="94.50" />
          <mask elevation="10 degrees"
                obs_expected="27236"
                obs_have="27194"
                obs_ratio="99.85" />
          <mask elevation="15 degrees"
                obs_expected="24782"
                obs_have="24782"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Mon Feb 20 21:48:28 2012"
               level="3">
        <file_statistics latency="00:11:57"
                         size="3632363"
                         time_creation="Mon Feb 20 19:24:55 2012"
                         time_modification="Mon Feb 20 19:11:56 2012" />
        <observations epoch_first="Mon Feb 20 18:00:00 2012"
                      epoch_last="Mon Feb 20 18:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="28800"
                obs_have="27215"
                obs_ratio="94.50" />
          <mask elevation="10 degrees"
                obs_expected="27236"
                obs_have="27194"
                obs_ratio="99.85" />
          <mask elevation="15 degrees"
                obs_expected="24782"
                obs_have="24782"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Feb 21 22:23:33 2012"
               level="3">
        <file_statistics latency="00:11:57"
                         size="3632363"
                         time_creation="Mon Feb 20 19:24:55 2012"
                         time_modification="Mon Feb 20 19:11:56 2012" />
        <observations epoch_first="Mon Feb 20 18:00:00 2012"
                      epoch_last="Mon Feb 20 18:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="28800"
                obs_have="27215"
                obs_ratio="94.50" />
          <mask elevation="10 degrees"
                obs_expected="27236"
                obs_have="27194"
                obs_ratio="99.85" />
          <mask elevation="15 degrees"
                obs_expected="24782"
                obs_have="24782"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Wed Mar 21 07:49:22 2012"
               level="3">
        <file_statistics latency="00:11:57"
                         size="3632363"
                         time_creation="Mon Mar 19 00:59:55 2012"
                         time_modification="Mon Feb 20 19:11:56 2012" />
        <observations epoch_first="Mon Feb 20 18:00:00 2012"
                      epoch_last="Mon Feb 20 18:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="28800"
                obs_have="27215"
                obs_ratio="94.50" />
          <mask elevation="10 degrees"
                obs_expected="27236"
                obs_have="27194"
                obs_ratio="99.85" />
          <mask elevation="15 degrees"
                obs_expected="24782"
                obs_have="24782"
                obs_ratio="100.00" />
        </observations>
      </control>
    </file>
    <file name="/cheb051t.12o"
          error="0"
          interval="1"
          session="t">
      <control date="Mon Feb 20 21:00:52 2012"
               level="3">
        <file_statistics latency="00:13:05"
                         size="3607338"
                         time_creation="Mon Feb 20 20:18:49 2012"
                         time_modification="Mon Feb 20 20:13:04 2012" />
        <observations epoch_first="Mon Feb 20 19:00:00 2012"
                      epoch_last="Mon Feb 20 19:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="28800"
                obs_have="27014"
                obs_ratio="93.80" />
          <mask elevation="10 degrees"
                obs_expected="27051"
                obs_have="27014"
                obs_ratio="99.86" />
          <mask elevation="15 degrees"
                obs_expected="25028"
                obs_have="25028"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Mon Feb 20 22:43:50 2012"
               level="3">
        <file_statistics latency="00:13:05"
                         size="3607338"
                         time_creation="Mon Feb 20 20:18:49 2012"
                         time_modification="Mon Feb 20 20:13:04 2012" />
        <observations epoch_first="Mon Feb 20 19:00:00 2012"
                      epoch_last="Mon Feb 20 19:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="28800"
                obs_have="27014"
                obs_ratio="93.80" />
          <mask elevation="10 degrees"
                obs_expected="27051"
                obs_have="27014"
                obs_ratio="99.86" />
          <mask elevation="15 degrees"
                obs_expected="25028"
                obs_have="25028"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Feb 21 22:23:33 2012"
               level="3">
        <file_statistics latency="00:13:05"
                         size="3607338"
                         time_creation="Mon Feb 20 20:18:49 2012"
                         time_modification="Mon Feb 20 20:13:04 2012" />
        <observations epoch_first="Mon Feb 20 19:00:00 2012"
                      epoch_last="Mon Feb 20 19:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="28800"
                obs_have="27014"
                obs_ratio="93.80" />
          <mask elevation="10 degrees"
                obs_expected="27051"
                obs_have="27014"
                obs_ratio="99.86" />
          <mask elevation="15 degrees"
                obs_expected="25028"
                obs_have="25028"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Wed Mar 21 07:49:22 2012"
               level="3">
        <file_statistics latency="00:13:05"
                         size="3607338"
                         time_creation="Mon Mar 19 00:59:56 2012"
                         time_modification="Mon Feb 20 20:13:04 2012" />
        <observations epoch_first="Mon Feb 20 19:00:00 2012"
                      epoch_last="Mon Feb 20 19:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="28800"
                obs_have="27014"
                obs_ratio="93.80" />
          <mask elevation="10 degrees"
                obs_expected="27051"
                obs_have="27014"
                obs_ratio="99.86" />
          <mask elevation="15 degrees"
                obs_expected="25028"
                obs_have="25028"
                obs_ratio="100.00" />
        </observations>
      </control>
    </file>
    <file name="/cheb051u.12o"
          error="0"
          interval="1"
          session="u">
      <control date="Mon Feb 20 22:08:13 2012"
               level="3">
        <file_statistics latency="00:11:53"
                         size="3964443"
                         time_creation="Mon Feb 20 21:23:45 2012"
                         time_modification="Mon Feb 20 21:11:52 2012" />
        <observations epoch_first="Mon Feb 20 20:00:00 2012"
                      epoch_last="Mon Feb 20 20:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="33165"
                obs_have="29777"
                obs_ratio="89.78" />
          <mask elevation="10 degrees"
                obs_expected="29841"
                obs_have="29773"
                obs_ratio="99.77" />
          <mask elevation="15 degrees"
                obs_expected="27439"
                obs_have="27439"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Mon Feb 20 23:41:42 2012"
               level="3">
        <file_statistics latency="00:11:53"
                         size="3964443"
                         time_creation="Mon Feb 20 21:23:45 2012"
                         time_modification="Mon Feb 20 21:11:52 2012" />
        <observations epoch_first="Mon Feb 20 20:00:00 2012"
                      epoch_last="Mon Feb 20 20:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="33165"
                obs_have="29777"
                obs_ratio="89.78" />
          <mask elevation="10 degrees"
                obs_expected="29841"
                obs_have="29773"
                obs_ratio="99.77" />
          <mask elevation="15 degrees"
                obs_expected="27439"
                obs_have="27439"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Feb 21 22:23:33 2012"
               level="3">
        <file_statistics latency="00:11:53"
                         size="3964443"
                         time_creation="Mon Feb 20 21:23:45 2012"
                         time_modification="Mon Feb 20 21:11:52 2012" />
        <observations epoch_first="Mon Feb 20 20:00:00 2012"
                      epoch_last="Mon Feb 20 20:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="33165"
                obs_have="29777"
                obs_ratio="89.78" />
          <mask elevation="10 degrees"
                obs_expected="29841"
                obs_have="29773"
                obs_ratio="99.77" />
          <mask elevation="15 degrees"
                obs_expected="27439"
                obs_have="27439"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Wed Mar 21 07:49:22 2012"
               level="3">
        <file_statistics latency="00:11:53"
                         size="3964443"
                         time_creation="Mon Mar 19 00:59:56 2012"
                         time_modification="Mon Feb 20 21:11:52 2012" />
        <observations epoch_first="Mon Feb 20 20:00:00 2012"
                      epoch_last="Mon Feb 20 20:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="33165"
                obs_have="29777"
                obs_ratio="89.78" />
          <mask elevation="10 degrees"
                obs_expected="29841"
                obs_have="29773"
                obs_ratio="99.77" />
          <mask elevation="15 degrees"
                obs_expected="27439"
                obs_have="27439"
                obs_ratio="100.00" />
        </observations>
      </control>
    </file>
    <file name="/cheb051v.12o"
          error="0"
          interval="1"
          session="v">
      <control date="Mon Feb 20 23:00:42 2012"
               level="3">
        <file_statistics latency="00:11:59"
                         size="3961814"
                         time_creation="Mon Feb 20 22:18:42 2012"
                         time_modification="Mon Feb 20 22:11:58 2012" />
        <observations epoch_first="Mon Feb 20 21:00:00 2012"
                      epoch_last="Mon Feb 20 21:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="35334"
                obs_have="29761"
                obs_ratio="84.23" />
          <mask elevation="10 degrees"
                obs_expected="29779"
                obs_have="29724"
                obs_ratio="99.82" />
          <mask elevation="15 degrees"
                obs_expected="24762"
                obs_have="24762"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Feb 21 00:37:31 2012"
               level="3">
        <file_statistics latency="00:11:59"
                         size="3961814"
                         time_creation="Mon Feb 20 22:18:42 2012"
                         time_modification="Mon Feb 20 22:11:58 2012" />
        <observations epoch_first="Mon Feb 20 21:00:00 2012"
                      epoch_last="Mon Feb 20 21:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="35334"
                obs_have="29761"
                obs_ratio="84.23" />
          <mask elevation="10 degrees"
                obs_expected="29779"
                obs_have="29724"
                obs_ratio="99.82" />
          <mask elevation="15 degrees"
                obs_expected="24762"
                obs_have="24762"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Feb 21 22:23:33 2012"
               level="3">
        <file_statistics latency="00:11:59"
                         size="3961814"
                         time_creation="Mon Feb 20 22:18:42 2012"
                         time_modification="Mon Feb 20 22:11:58 2012" />
        <observations epoch_first="Mon Feb 20 21:00:00 2012"
                      epoch_last="Mon Feb 20 21:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="35334"
                obs_have="29761"
                obs_ratio="84.23" />
          <mask elevation="10 degrees"
                obs_expected="29779"
                obs_have="29724"
                obs_ratio="99.82" />
          <mask elevation="15 degrees"
                obs_expected="24762"
                obs_have="24762"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Wed Mar 21 07:49:22 2012"
               level="3">
        <file_statistics latency="00:11:59"
                         size="3961814"
                         time_creation="Mon Mar 19 00:59:57 2012"
                         time_modification="Mon Feb 20 22:11:58 2012" />
        <observations epoch_first="Mon Feb 20 21:00:00 2012"
                      epoch_last="Mon Feb 20 21:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="35334"
                obs_have="29761"
                obs_ratio="84.23" />
          <mask elevation="10 degrees"
                obs_expected="29779"
                obs_have="29724"
                obs_ratio="99.82" />
          <mask elevation="15 degrees"
                obs_expected="24762"
                obs_have="24762"
                obs_ratio="100.00" />
        </observations>
      </control>
    </file>
    <file name="/cheb051w.12o"
          error="0"
          interval="1"
          session="w">
      <control date="Mon Feb 20 23:54:45 2012"
               level="3">
        <file_statistics latency="00:11:56"
                         size="3962651"
                         time_creation="Mon Feb 20 23:34:07 2012"
                         time_modification="Mon Feb 20 23:11:55 2012" />
        <observations epoch_first="Mon Feb 20 22:00:00 2012"
                      epoch_last="Mon Feb 20 22:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="32412"
                obs_have="29778"
                obs_ratio="91.87" />
          <mask elevation="10 degrees"
                obs_expected="29814"
                obs_have="29772"
                obs_ratio="99.86" />
          <mask elevation="15 degrees"
                obs_expected="26955"
                obs_have="26955"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Feb 21 01:35:58 2012"
               level="3">
        <file_statistics latency="00:11:56"
                         size="3962651"
                         time_creation="Mon Feb 20 23:34:07 2012"
                         time_modification="Mon Feb 20 23:11:55 2012" />
        <observations epoch_first="Mon Feb 20 22:00:00 2012"
                      epoch_last="Mon Feb 20 22:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="32412"
                obs_have="29778"
                obs_ratio="91.87" />
          <mask elevation="10 degrees"
                obs_expected="29814"
                obs_have="29772"
                obs_ratio="99.86" />
          <mask elevation="15 degrees"
                obs_expected="26955"
                obs_have="26955"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Feb 21 22:23:33 2012"
               level="3">
        <file_statistics latency="00:11:56"
                         size="3962651"
                         time_creation="Mon Feb 20 23:34:07 2012"
                         time_modification="Mon Feb 20 23:11:55 2012" />
        <observations epoch_first="Mon Feb 20 22:00:00 2012"
                      epoch_last="Mon Feb 20 22:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="32412"
                obs_have="29778"
                obs_ratio="91.87" />
          <mask elevation="10 degrees"
                obs_expected="29814"
                obs_have="29772"
                obs_ratio="99.86" />
          <mask elevation="15 degrees"
                obs_expected="26955"
                obs_have="26955"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Wed Mar 21 07:49:22 2012"
               level="3">
        <file_statistics latency="00:11:56"
                         size="3962651"
                         time_creation="Mon Mar 19 00:59:57 2012"
                         time_modification="Mon Feb 20 23:11:55 2012" />
        <observations epoch_first="Mon Feb 20 22:00:00 2012"
                      epoch_last="Mon Feb 20 22:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="32412"
                obs_have="29778"
                obs_ratio="91.87" />
          <mask elevation="10 degrees"
                obs_expected="29814"
                obs_have="29772"
                obs_ratio="99.86" />
          <mask elevation="15 degrees"
                obs_expected="26955"
                obs_have="26955"
                obs_ratio="100.00" />
        </observations>
      </control>
    </file>
    <file name="/cheb051x.12o"
          error="0"
          interval="1"
          session="x">
      <control date="Tue Feb 21 22:23:33 2012"
               level="3">
        <file_statistics latency="05:48:59"
                         size="3808608"
                         time_creation="Tue Feb 21 07:16:24 2012"
                         time_modification="Tue Feb 21 05:48:58 2012" />
        <observations epoch_first="Mon Feb 20 23:00:00 2012"
                      epoch_last="Mon Feb 20 23:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="30445"
                obs_have="28590"
                obs_ratio="93.91" />
          <mask elevation="10 degrees"
                obs_expected="28556"
                obs_have="28556"
                obs_ratio="100.00" />
          <mask elevation="15 degrees"
                obs_expected="25952"
                obs_have="25952"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Wed Mar 21 07:49:22 2012"
               level="3">
        <file_statistics latency="05:48:59"
                         size="3808608"
                         time_creation="Mon Mar 19 01:00:00 2012"
                         time_modification="Tue Feb 21 05:48:58 2012" />
        <observations epoch_first="Mon Feb 20 23:00:00 2012"
                      epoch_last="Mon Feb 20 23:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="30445"
                obs_have="28590"
                obs_ratio="93.91" />
          <mask elevation="10 degrees"
                obs_expected="28556"
                obs_have="28556"
                obs_ratio="100.00" />
          <mask elevation="15 degrees"
                obs_expected="25952"
                obs_have="25952"
                obs_ratio="100.00" />
        </observations>
      </control>
    </file>
  </station>
</QC>
