<QC Comment="Quality check run by the RGP Dream Team"
    Date="2012-03-13 00:00:00"
    DayOfYear="73"
    Year="2012">
  <station name="CHEB">
    <file name="/cheb0730.12o"
          error="0"
          interval="30"
          session="0">
      <control date="Thu Mar 15 01:14:39 2012"
               level="3">
        <file_statistics latency="02:31:38"
                         size="3151352"
                         time_creation="Wed Mar 14 01:33:54 2012"
                         time_modification="Wed Mar 14 01:31:08 2012" />
        <observations epoch_first="Tue Mar 13 00:00:00 2012"
                      epoch_last="Tue Mar 13 22:59:30 2012"
                      epochs="2760"
                      epochs_ratio="95.83">
          <mask elevation="03 degrees"
                obs_expected="28383"
                obs_have="23676"
                obs_ratio="83.42" />
          <mask elevation="10 degrees"
                obs_expected="23702"
                obs_have="23656"
                obs_ratio="99.81" />
          <mask elevation="15 degrees"
                obs_expected="20944"
                obs_have="20944"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Thu Apr 12 10:46:57 2012"
               level="3">
        <file_statistics latency="02:31:38"
                         size="3151352"
                         time_creation="Tue Apr 10 01:04:08 2012"
                         time_modification="Wed Mar 14 01:31:08 2012" />
        <observations epoch_first="Tue Mar 13 00:00:00 2012"
                      epoch_last="Tue Mar 13 22:59:30 2012"
                      epochs="2760"
                      epochs_ratio="95.83">
          <mask elevation="03 degrees"
                obs_expected="28383"
                obs_have="23676"
                obs_ratio="83.42" />
          <mask elevation="10 degrees"
                obs_expected="23702"
                obs_have="23656"
                obs_ratio="99.81" />
          <mask elevation="15 degrees"
                obs_expected="20944"
                obs_have="20944"
                obs_ratio="100.00" />
        </observations>
      </control>
    </file>
    <file name="/cheb073a.12o"
          error="0"
          interval="1"
          session="a">
      <control date="Tue Mar 13 01:24:23 2012"
               level="3">
        <file_statistics latency="00:09:57"
                         size="3634541"
                         time_creation="Tue Mar 13 01:13:06 2012"
                         time_modification="Tue Mar 13 01:09:56 2012" />
        <observations epoch_first="Tue Mar 13 00:00:00 2012"
                      epoch_last="Tue Mar 13 00:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="28546"
                obs_have="27224"
                obs_ratio="95.37" />
          <mask elevation="10 degrees"
                obs_expected="27273"
                obs_have="27224"
                obs_ratio="99.82" />
          <mask elevation="15 degrees"
                obs_expected="22396"
                obs_have="22396"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Mar 13 01:49:52 2012"
               level="3">
        <file_statistics latency="00:09:57"
                         size="3634541"
                         time_creation="Tue Mar 13 01:13:06 2012"
                         time_modification="Tue Mar 13 01:09:56 2012" />
        <observations epoch_first="Tue Mar 13 00:00:00 2012"
                      epoch_last="Tue Mar 13 00:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="28546"
                obs_have="27224"
                obs_ratio="95.37" />
          <mask elevation="10 degrees"
                obs_expected="27273"
                obs_have="27224"
                obs_ratio="99.82" />
          <mask elevation="15 degrees"
                obs_expected="22396"
                obs_have="22396"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Mar 13 03:40:41 2012"
               level="3">
        <file_statistics latency="00:09:57"
                         size="3634541"
                         time_creation="Tue Mar 13 01:13:06 2012"
                         time_modification="Tue Mar 13 01:09:56 2012" />
        <observations epoch_first="Tue Mar 13 00:00:00 2012"
                      epoch_last="Tue Mar 13 00:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="28546"
                obs_have="27224"
                obs_ratio="95.37" />
          <mask elevation="10 degrees"
                obs_expected="27273"
                obs_have="27224"
                obs_ratio="99.82" />
          <mask elevation="15 degrees"
                obs_expected="22396"
                obs_have="22396"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Wed Mar 14 23:07:02 2012"
               level="3">
        <file_statistics latency="00:09:57"
                         size="3634541"
                         time_creation="Tue Mar 13 01:13:06 2012"
                         time_modification="Tue Mar 13 01:09:56 2012" />
        <observations epoch_first="Tue Mar 13 00:00:00 2012"
                      epoch_last="Tue Mar 13 00:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="28546"
                obs_have="27224"
                obs_ratio="95.37" />
          <mask elevation="10 degrees"
                obs_expected="27273"
                obs_have="27224"
                obs_ratio="99.82" />
          <mask elevation="15 degrees"
                obs_expected="22396"
                obs_have="22396"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Thu Apr 12 07:57:27 2012"
               level="3">
        <file_statistics latency="00:09:57"
                         size="3634541"
                         time_creation="Tue Apr 10 01:00:05 2012"
                         time_modification="Tue Mar 13 01:09:56 2012" />
        <observations epoch_first="Tue Mar 13 00:00:00 2012"
                      epoch_last="Tue Mar 13 00:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="28546"
                obs_have="27224"
                obs_ratio="95.37" />
          <mask elevation="10 degrees"
                obs_expected="27273"
                obs_have="27224"
                obs_ratio="99.82" />
          <mask elevation="15 degrees"
                obs_expected="22396"
                obs_have="22396"
                obs_ratio="100.00" />
        </observations>
      </control>
    </file>
    <file name="/cheb073b.12o"
          error="0"
          interval="1"
          session="b">
      <control date="Tue Mar 13 02:22:38 2012"
               level="3">
        <file_statistics latency="00:09:59"
                         size="4081921"
                         time_creation="Tue Mar 13 02:13:08 2012"
                         time_modification="Tue Mar 13 02:09:58 2012" />
        <observations epoch_first="Tue Mar 13 01:00:00 2012"
                      epoch_last="Tue Mar 13 01:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="34946"
                obs_have="30636"
                obs_ratio="87.67" />
          <mask elevation="10 degrees"
                obs_expected="30746"
                obs_have="30601"
                obs_ratio="99.53" />
          <mask elevation="15 degrees"
                obs_expected="26356"
                obs_have="26356"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Mar 13 02:50:31 2012"
               level="3">
        <file_statistics latency="00:09:59"
                         size="4081921"
                         time_creation="Tue Mar 13 02:13:08 2012"
                         time_modification="Tue Mar 13 02:09:58 2012" />
        <observations epoch_first="Tue Mar 13 01:00:00 2012"
                      epoch_last="Tue Mar 13 01:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="34946"
                obs_have="30636"
                obs_ratio="87.67" />
          <mask elevation="10 degrees"
                obs_expected="30746"
                obs_have="30601"
                obs_ratio="99.53" />
          <mask elevation="15 degrees"
                obs_expected="26356"
                obs_have="26356"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Mar 13 04:44:57 2012"
               level="3">
        <file_statistics latency="00:09:59"
                         size="4081921"
                         time_creation="Tue Mar 13 02:13:08 2012"
                         time_modification="Tue Mar 13 02:09:58 2012" />
        <observations epoch_first="Tue Mar 13 01:00:00 2012"
                      epoch_last="Tue Mar 13 01:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="34946"
                obs_have="30636"
                obs_ratio="87.67" />
          <mask elevation="10 degrees"
                obs_expected="n/a"
                obs_have="30636"
                obs_ratio="0.00" />
          <mask elevation="15 degrees"
                obs_expected="26356"
                obs_have="26356"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Wed Mar 14 23:07:02 2012"
               level="3">
        <file_statistics latency="00:09:59"
                         size="4081921"
                         time_creation="Tue Mar 13 02:13:08 2012"
                         time_modification="Tue Mar 13 02:09:58 2012" />
        <observations epoch_first="Tue Mar 13 01:00:00 2012"
                      epoch_last="Tue Mar 13 01:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="34946"
                obs_have="30636"
                obs_ratio="87.67" />
          <mask elevation="10 degrees"
                obs_expected="30746"
                obs_have="30601"
                obs_ratio="99.53" />
          <mask elevation="15 degrees"
                obs_expected="26356"
                obs_have="26356"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Thu Apr 12 07:57:27 2012"
               level="3">
        <file_statistics latency="00:09:59"
                         size="4081921"
                         time_creation="Tue Apr 10 01:00:06 2012"
                         time_modification="Tue Mar 13 02:09:58 2012" />
        <observations epoch_first="Tue Mar 13 01:00:00 2012"
                      epoch_last="Tue Mar 13 01:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="34946"
                obs_have="30636"
                obs_ratio="87.67" />
          <mask elevation="10 degrees"
                obs_expected="30746"
                obs_have="30601"
                obs_ratio="99.53" />
          <mask elevation="15 degrees"
                obs_expected="26356"
                obs_have="26356"
                obs_ratio="100.00" />
        </observations>
      </control>
    </file>
    <file name="/cheb073c.12o"
          error="0"
          interval="1"
          session="c">
      <control date="Tue Mar 13 03:23:14 2012"
               level="3">
        <file_statistics latency="00:09:59"
                         size="4079804"
                         time_creation="Tue Mar 13 03:13:09 2012"
                         time_modification="Tue Mar 13 03:09:58 2012" />
        <observations epoch_first="Tue Mar 13 02:00:00 2012"
                      epoch_last="Tue Mar 13 02:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="36895"
                obs_have="30652"
                obs_ratio="83.08" />
          <mask elevation="10 degrees"
                obs_expected="30727"
                obs_have="30604"
                obs_ratio="99.60" />
          <mask elevation="15 degrees"
                obs_expected="26055"
                obs_have="26055"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Mar 13 03:55:12 2012"
               level="3">
        <file_statistics latency="00:09:59"
                         size="4079804"
                         time_creation="Tue Mar 13 03:13:09 2012"
                         time_modification="Tue Mar 13 03:09:58 2012" />
        <observations epoch_first="Tue Mar 13 02:00:00 2012"
                      epoch_last="Tue Mar 13 02:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="36895"
                obs_have="30652"
                obs_ratio="83.08" />
          <mask elevation="10 degrees"
                obs_expected="30727"
                obs_have="30604"
                obs_ratio="99.60" />
          <mask elevation="15 degrees"
                obs_expected="26055"
                obs_have="26055"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Mar 13 05:52:57 2012"
               level="3">
        <file_statistics latency="00:09:59"
                         size="4079804"
                         time_creation="Tue Mar 13 03:13:09 2012"
                         time_modification="Tue Mar 13 03:09:58 2012" />
        <observations epoch_first="Tue Mar 13 02:00:00 2012"
                      epoch_last="Tue Mar 13 02:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="36895"
                obs_have="30652"
                obs_ratio="83.08" />
          <mask elevation="10 degrees"
                obs_expected="30727"
                obs_have="30604"
                obs_ratio="99.60" />
          <mask elevation="15 degrees"
                obs_expected="26055"
                obs_have="26055"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Wed Mar 14 23:07:02 2012"
               level="3">
        <file_statistics latency="00:09:59"
                         size="4079804"
                         time_creation="Tue Mar 13 03:13:09 2012"
                         time_modification="Tue Mar 13 03:09:58 2012" />
        <observations epoch_first="Tue Mar 13 02:00:00 2012"
                      epoch_last="Tue Mar 13 02:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="36895"
                obs_have="30652"
                obs_ratio="83.08" />
          <mask elevation="10 degrees"
                obs_expected="30727"
                obs_have="30604"
                obs_ratio="99.60" />
          <mask elevation="15 degrees"
                obs_expected="26055"
                obs_have="26055"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Thu Apr 12 07:57:27 2012"
               level="3">
        <file_statistics latency="00:09:59"
                         size="4079804"
                         time_creation="Tue Apr 10 01:00:07 2012"
                         time_modification="Tue Mar 13 03:09:58 2012" />
        <observations epoch_first="Tue Mar 13 02:00:00 2012"
                      epoch_last="Tue Mar 13 02:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="36895"
                obs_have="30652"
                obs_ratio="83.08" />
          <mask elevation="10 degrees"
                obs_expected="30727"
                obs_have="30604"
                obs_ratio="99.60" />
          <mask elevation="15 degrees"
                obs_expected="26055"
                obs_have="26055"
                obs_ratio="100.00" />
        </observations>
      </control>
    </file>
    <file name="/cheb073d.12o"
          error="0"
          interval="1"
          session="d">
      <control date="Tue Mar 13 04:33:19 2012"
               level="3">
        <file_statistics latency="00:10:00"
                         size="4379113"
                         time_creation="Tue Mar 13 04:13:10 2012"
                         time_modification="Tue Mar 13 04:09:59 2012" />
        <observations epoch_first="Tue Mar 13 03:00:00 2012"
                      epoch_last="Tue Mar 13 03:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="36312"
                obs_have="32995"
                obs_ratio="90.87" />
          <mask elevation="10 degrees"
                obs_expected="33053"
                obs_have="32995"
                obs_ratio="99.82" />
          <mask elevation="15 degrees"
                obs_expected="32400"
                obs_have="32400"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Mar 13 05:06:33 2012"
               level="3">
        <file_statistics latency="00:10:00"
                         size="4379113"
                         time_creation="Tue Mar 13 04:13:10 2012"
                         time_modification="Tue Mar 13 04:09:59 2012" />
        <observations epoch_first="Tue Mar 13 03:00:00 2012"
                      epoch_last="Tue Mar 13 03:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="36312"
                obs_have="32995"
                obs_ratio="90.87" />
          <mask elevation="10 degrees"
                obs_expected="33053"
                obs_have="32995"
                obs_ratio="99.82" />
          <mask elevation="15 degrees"
                obs_expected="32400"
                obs_have="32400"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Mar 13 06:58:52 2012"
               level="3">
        <file_statistics latency="00:10:00"
                         size="4379113"
                         time_creation="Tue Mar 13 04:13:10 2012"
                         time_modification="Tue Mar 13 04:09:59 2012" />
        <observations epoch_first="Tue Mar 13 03:00:00 2012"
                      epoch_last="Tue Mar 13 03:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="36312"
                obs_have="32995"
                obs_ratio="90.87" />
          <mask elevation="10 degrees"
                obs_expected="33053"
                obs_have="32995"
                obs_ratio="99.82" />
          <mask elevation="15 degrees"
                obs_expected="32400"
                obs_have="32400"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Wed Mar 14 23:07:02 2012"
               level="3">
        <file_statistics latency="00:10:00"
                         size="4379113"
                         time_creation="Tue Mar 13 04:13:10 2012"
                         time_modification="Tue Mar 13 04:09:59 2012" />
        <observations epoch_first="Tue Mar 13 03:00:00 2012"
                      epoch_last="Tue Mar 13 03:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="36312"
                obs_have="32995"
                obs_ratio="90.87" />
          <mask elevation="10 degrees"
                obs_expected="33053"
                obs_have="32995"
                obs_ratio="99.82" />
          <mask elevation="15 degrees"
                obs_expected="32400"
                obs_have="32400"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Thu Apr 12 07:57:27 2012"
               level="3">
        <file_statistics latency="00:10:00"
                         size="4379113"
                         time_creation="Tue Apr 10 01:00:08 2012"
                         time_modification="Tue Mar 13 04:09:59 2012" />
        <observations epoch_first="Tue Mar 13 03:00:00 2012"
                      epoch_last="Tue Mar 13 03:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="36312"
                obs_have="32995"
                obs_ratio="90.87" />
          <mask elevation="10 degrees"
                obs_expected="33053"
                obs_have="32995"
                obs_ratio="99.82" />
          <mask elevation="15 degrees"
                obs_expected="32400"
                obs_have="32400"
                obs_ratio="100.00" />
        </observations>
      </control>
    </file>
    <file name="/cheb073e.12o"
          error="0"
          interval="1"
          session="e">
      <control date="Tue Mar 13 05:31:55 2012"
               level="3">
        <file_statistics latency="00:10:02"
                         size="4762419"
                         time_creation="Tue Mar 13 05:13:12 2012"
                         time_modification="Tue Mar 13 05:10:01 2012" />
        <observations epoch_first="Tue Mar 13 04:00:00 2012"
                      epoch_last="Tue Mar 13 04:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="40978"
                obs_have="35976"
                obs_ratio="87.79" />
          <mask elevation="10 degrees"
                obs_expected="35989"
                obs_have="35946"
                obs_ratio="99.88" />
          <mask elevation="15 degrees"
                obs_expected="27890"
                obs_have="27890"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Mar 13 06:08:39 2012"
               level="3">
        <file_statistics latency="00:10:02"
                         size="4762419"
                         time_creation="Tue Mar 13 05:13:12 2012"
                         time_modification="Tue Mar 13 05:10:01 2012" />
        <observations epoch_first="Tue Mar 13 04:00:00 2012"
                      epoch_last="Tue Mar 13 04:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="40978"
                obs_have="35976"
                obs_ratio="87.79" />
          <mask elevation="10 degrees"
                obs_expected="35989"
                obs_have="35946"
                obs_ratio="99.88" />
          <mask elevation="15 degrees"
                obs_expected="27890"
                obs_have="27890"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Mar 13 07:59:06 2012"
               level="3">
        <file_statistics latency="00:10:02"
                         size="4762419"
                         time_creation="Tue Mar 13 05:13:12 2012"
                         time_modification="Tue Mar 13 05:10:01 2012" />
        <observations epoch_first="Tue Mar 13 04:00:00 2012"
                      epoch_last="Tue Mar 13 04:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="40978"
                obs_have="35976"
                obs_ratio="87.79" />
          <mask elevation="10 degrees"
                obs_expected="35989"
                obs_have="35946"
                obs_ratio="99.88" />
          <mask elevation="15 degrees"
                obs_expected="27890"
                obs_have="27890"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Wed Mar 14 23:07:02 2012"
               level="3">
        <file_statistics latency="00:10:02"
                         size="4762419"
                         time_creation="Tue Mar 13 05:13:12 2012"
                         time_modification="Tue Mar 13 05:10:01 2012" />
        <observations epoch_first="Tue Mar 13 04:00:00 2012"
                      epoch_last="Tue Mar 13 04:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="40978"
                obs_have="35976"
                obs_ratio="87.79" />
          <mask elevation="10 degrees"
                obs_expected="35989"
                obs_have="35946"
                obs_ratio="99.88" />
          <mask elevation="15 degrees"
                obs_expected="27890"
                obs_have="27890"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Thu Apr 12 07:57:27 2012"
               level="3">
        <file_statistics latency="00:10:02"
                         size="4762419"
                         time_creation="Tue Apr 10 01:00:10 2012"
                         time_modification="Tue Mar 13 05:10:01 2012" />
        <observations epoch_first="Tue Mar 13 04:00:00 2012"
                      epoch_last="Tue Mar 13 04:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="40978"
                obs_have="35976"
                obs_ratio="87.79" />
          <mask elevation="10 degrees"
                obs_expected="35989"
                obs_have="35946"
                obs_ratio="99.88" />
          <mask elevation="15 degrees"
                obs_expected="27890"
                obs_have="27890"
                obs_ratio="100.00" />
        </observations>
      </control>
    </file>
    <file name="/cheb073f.12o"
          error="0"
          interval="1"
          session="f">
      <control date="Tue Mar 13 06:30:35 2012"
               level="3">
        <file_statistics latency="00:10:00"
                         size="4499848"
                         time_creation="Tue Mar 13 06:13:13 2012"
                         time_modification="Tue Mar 13 06:09:59 2012" />
        <observations epoch_first="Tue Mar 13 05:00:00 2012"
                      epoch_last="Tue Mar 13 05:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="40225"
                obs_have="33881"
                obs_ratio="84.23" />
          <mask elevation="10 degrees"
                obs_expected="33952"
                obs_have="33822"
                obs_ratio="99.62" />
          <mask elevation="15 degrees"
                obs_expected="29770"
                obs_have="29770"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Mar 13 08:45:35 2012"
               level="3">
        <file_statistics latency="00:10:00"
                         size="4499848"
                         time_creation="Tue Mar 13 06:13:13 2012"
                         time_modification="Tue Mar 13 06:09:59 2012" />
        <observations epoch_first="Tue Mar 13 05:00:00 2012"
                      epoch_last="Tue Mar 13 05:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="40225"
                obs_have="33881"
                obs_ratio="84.23" />
          <mask elevation="10 degrees"
                obs_expected="33952"
                obs_have="33822"
                obs_ratio="99.62" />
          <mask elevation="15 degrees"
                obs_expected="29770"
                obs_have="29770"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Wed Mar 14 23:07:02 2012"
               level="3">
        <file_statistics latency="00:10:00"
                         size="4499848"
                         time_creation="Tue Mar 13 06:13:13 2012"
                         time_modification="Tue Mar 13 06:09:59 2012" />
        <observations epoch_first="Tue Mar 13 05:00:00 2012"
                      epoch_last="Tue Mar 13 05:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="40225"
                obs_have="33881"
                obs_ratio="84.23" />
          <mask elevation="10 degrees"
                obs_expected="33952"
                obs_have="33822"
                obs_ratio="99.62" />
          <mask elevation="15 degrees"
                obs_expected="29770"
                obs_have="29770"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Thu Apr 12 07:57:27 2012"
               level="3">
        <file_statistics latency="00:10:00"
                         size="4499848"
                         time_creation="Tue Apr 10 01:00:11 2012"
                         time_modification="Tue Mar 13 06:09:59 2012" />
        <observations epoch_first="Tue Mar 13 05:00:00 2012"
                      epoch_last="Tue Mar 13 05:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="40225"
                obs_have="33881"
                obs_ratio="84.23" />
          <mask elevation="10 degrees"
                obs_expected="33952"
                obs_have="33822"
                obs_ratio="99.62" />
          <mask elevation="15 degrees"
                obs_expected="29770"
                obs_have="29770"
                obs_ratio="100.00" />
        </observations>
      </control>
    </file>
    <file name="/cheb073g.12o"
          error="0"
          interval="1"
          session="g">
      <control date="Tue Mar 13 07:33:56 2012"
               level="3">
        <file_statistics latency="00:09:59"
                         size="4611071"
                         time_creation="Tue Mar 13 07:13:15 2012"
                         time_modification="Tue Mar 13 07:09:58 2012" />
        <observations epoch_first="Tue Mar 13 06:00:00 2012"
                      epoch_last="Tue Mar 13 06:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="37138"
                obs_have="34794"
                obs_ratio="93.69" />
          <mask elevation="10 degrees"
                obs_expected="34833"
                obs_have="34782"
                obs_ratio="99.85" />
          <mask elevation="15 degrees"
                obs_expected="32469"
                obs_have="32469"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Mar 13 09:49:21 2012"
               level="3">
        <file_statistics latency="00:09:59"
                         size="4611071"
                         time_creation="Tue Mar 13 07:13:15 2012"
                         time_modification="Tue Mar 13 07:09:58 2012" />
        <observations epoch_first="Tue Mar 13 06:00:00 2012"
                      epoch_last="Tue Mar 13 06:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="37138"
                obs_have="34794"
                obs_ratio="93.69" />
          <mask elevation="10 degrees"
                obs_expected="34833"
                obs_have="34782"
                obs_ratio="99.85" />
          <mask elevation="15 degrees"
                obs_expected="32469"
                obs_have="32469"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Wed Mar 14 23:07:02 2012"
               level="3">
        <file_statistics latency="00:09:59"
                         size="4611071"
                         time_creation="Tue Mar 13 07:13:15 2012"
                         time_modification="Tue Mar 13 07:09:58 2012" />
        <observations epoch_first="Tue Mar 13 06:00:00 2012"
                      epoch_last="Tue Mar 13 06:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="37138"
                obs_have="34794"
                obs_ratio="93.69" />
          <mask elevation="10 degrees"
                obs_expected="34833"
                obs_have="34782"
                obs_ratio="99.85" />
          <mask elevation="15 degrees"
                obs_expected="32469"
                obs_have="32469"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Thu Apr 12 07:57:27 2012"
               level="3">
        <file_statistics latency="00:09:59"
                         size="4611071"
                         time_creation="Tue Apr 10 01:00:13 2012"
                         time_modification="Tue Mar 13 07:09:58 2012" />
        <observations epoch_first="Tue Mar 13 06:00:00 2012"
                      epoch_last="Tue Mar 13 06:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="37138"
                obs_have="34794"
                obs_ratio="93.69" />
          <mask elevation="10 degrees"
                obs_expected="34833"
                obs_have="34782"
                obs_ratio="99.85" />
          <mask elevation="15 degrees"
                obs_expected="32469"
                obs_have="32469"
                obs_ratio="100.00" />
        </observations>
      </control>
    </file>
    <file name="/cheb073h.12o"
          error="0"
          interval="1"
          session="h">
      <control date="Tue Mar 13 08:25:20 2012"
               level="3">
        <file_statistics latency="00:09:58"
                         size="4064965"
                         time_creation="Tue Mar 13 08:13:19 2012"
                         time_modification="Tue Mar 13 08:09:57 2012" />
        <observations epoch_first="Tue Mar 13 07:00:00 2012"
                      epoch_last="Tue Mar 13 07:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="33838"
                obs_have="30565"
                obs_ratio="90.33" />
          <mask elevation="10 degrees"
                obs_expected="30604"
                obs_have="30559"
                obs_ratio="99.85" />
          <mask elevation="15 degrees"
                obs_expected="28538"
                obs_have="28538"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Mar 13 08:58:08 2012"
               level="3">
        <file_statistics latency="00:09:58"
                         size="4064965"
                         time_creation="Tue Mar 13 08:13:19 2012"
                         time_modification="Tue Mar 13 08:09:57 2012" />
        <observations epoch_first="Tue Mar 13 07:00:00 2012"
                      epoch_last="Tue Mar 13 07:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="33838"
                obs_have="30565"
                obs_ratio="90.33" />
          <mask elevation="10 degrees"
                obs_expected="30604"
                obs_have="30559"
                obs_ratio="99.85" />
          <mask elevation="15 degrees"
                obs_expected="28538"
                obs_have="28538"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Mar 13 10:46:25 2012"
               level="3">
        <file_statistics latency="00:09:58"
                         size="4064965"
                         time_creation="Tue Mar 13 08:13:19 2012"
                         time_modification="Tue Mar 13 08:09:57 2012" />
        <observations epoch_first="Tue Mar 13 07:00:00 2012"
                      epoch_last="Tue Mar 13 07:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="33838"
                obs_have="30565"
                obs_ratio="90.33" />
          <mask elevation="10 degrees"
                obs_expected="30604"
                obs_have="30559"
                obs_ratio="99.85" />
          <mask elevation="15 degrees"
                obs_expected="28538"
                obs_have="28538"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Wed Mar 14 23:07:02 2012"
               level="3">
        <file_statistics latency="00:09:58"
                         size="4064965"
                         time_creation="Tue Mar 13 08:13:19 2012"
                         time_modification="Tue Mar 13 08:09:57 2012" />
        <observations epoch_first="Tue Mar 13 07:00:00 2012"
                      epoch_last="Tue Mar 13 07:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="33838"
                obs_have="30565"
                obs_ratio="90.33" />
          <mask elevation="10 degrees"
                obs_expected="30604"
                obs_have="30559"
                obs_ratio="99.85" />
          <mask elevation="15 degrees"
                obs_expected="28538"
                obs_have="28538"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Thu Apr 12 07:57:27 2012"
               level="3">
        <file_statistics latency="00:09:58"
                         size="4064965"
                         time_creation="Tue Apr 10 01:00:15 2012"
                         time_modification="Tue Mar 13 08:09:57 2012" />
        <observations epoch_first="Tue Mar 13 07:00:00 2012"
                      epoch_last="Tue Mar 13 07:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="33838"
                obs_have="30565"
                obs_ratio="90.33" />
          <mask elevation="10 degrees"
                obs_expected="30604"
                obs_have="30559"
                obs_ratio="99.85" />
          <mask elevation="15 degrees"
                obs_expected="28538"
                obs_have="28538"
                obs_ratio="100.00" />
        </observations>
      </control>
    </file>
    <file name="/cheb073i.12o"
          error="0"
          interval="1"
          session="i">
      <control date="Tue Mar 13 09:27:08 2012"
               level="3">
        <file_statistics latency="00:09:58"
                         size="4007996"
                         time_creation="Tue Mar 13 09:13:17 2012"
                         time_modification="Tue Mar 13 09:09:57 2012" />
        <observations epoch_first="Tue Mar 13 08:00:00 2012"
                      epoch_last="Tue Mar 13 08:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="35239"
                obs_have="30119"
                obs_ratio="85.47" />
          <mask elevation="10 degrees"
                obs_expected="30146"
                obs_have="30083"
                obs_ratio="99.79" />
          <mask elevation="15 degrees"
                obs_expected="25878"
                obs_have="25878"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Mar 13 10:03:44 2012"
               level="3">
        <file_statistics latency="00:09:58"
                         size="4007996"
                         time_creation="Tue Mar 13 09:13:17 2012"
                         time_modification="Tue Mar 13 09:09:57 2012" />
        <observations epoch_first="Tue Mar 13 08:00:00 2012"
                      epoch_last="Tue Mar 13 08:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="35239"
                obs_have="30119"
                obs_ratio="85.47" />
          <mask elevation="10 degrees"
                obs_expected="30146"
                obs_have="30083"
                obs_ratio="99.79" />
          <mask elevation="15 degrees"
                obs_expected="25878"
                obs_have="25878"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Mar 13 11:38:36 2012"
               level="3">
        <file_statistics latency="00:09:58"
                         size="4007996"
                         time_creation="Tue Mar 13 09:13:17 2012"
                         time_modification="Tue Mar 13 09:09:57 2012" />
        <observations epoch_first="Tue Mar 13 08:00:00 2012"
                      epoch_last="Tue Mar 13 08:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="35239"
                obs_have="30119"
                obs_ratio="85.47" />
          <mask elevation="10 degrees"
                obs_expected="30146"
                obs_have="30083"
                obs_ratio="99.79" />
          <mask elevation="15 degrees"
                obs_expected="25878"
                obs_have="25878"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Wed Mar 14 23:07:02 2012"
               level="3">
        <file_statistics latency="00:09:58"
                         size="4007996"
                         time_creation="Tue Mar 13 09:13:17 2012"
                         time_modification="Tue Mar 13 09:09:57 2012" />
        <observations epoch_first="Tue Mar 13 08:00:00 2012"
                      epoch_last="Tue Mar 13 08:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="35239"
                obs_have="30119"
                obs_ratio="85.47" />
          <mask elevation="10 degrees"
                obs_expected="30146"
                obs_have="30083"
                obs_ratio="99.79" />
          <mask elevation="15 degrees"
                obs_expected="25878"
                obs_have="25878"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Thu Apr 12 07:57:27 2012"
               level="3">
        <file_statistics latency="00:09:58"
                         size="4007996"
                         time_creation="Tue Apr 10 01:00:17 2012"
                         time_modification="Tue Mar 13 09:09:57 2012" />
        <observations epoch_first="Tue Mar 13 08:00:00 2012"
                      epoch_last="Tue Mar 13 08:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="35239"
                obs_have="30119"
                obs_ratio="85.47" />
          <mask elevation="10 degrees"
                obs_expected="30146"
                obs_have="30083"
                obs_ratio="99.79" />
          <mask elevation="15 degrees"
                obs_expected="25878"
                obs_have="25878"
                obs_ratio="100.00" />
        </observations>
      </control>
    </file>
    <file name="/cheb073j.12o"
          error="0"
          interval="1"
          session="j">
      <control date="Tue Mar 13 10:30:18 2012"
               level="3">
        <file_statistics latency="00:08:51"
                         size="4358151"
                         time_creation="Tue Mar 13 10:13:50 2012"
                         time_modification="Tue Mar 13 10:08:50 2012" />
        <observations epoch_first="Tue Mar 13 09:00:00 2012"
                      epoch_last="Tue Mar 13 09:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="34568"
                obs_have="32829"
                obs_ratio="94.97" />
          <mask elevation="10 degrees"
                obs_expected="32902"
                obs_have="32829"
                obs_ratio="99.78" />
          <mask elevation="15 degrees"
                obs_expected="30379"
                obs_have="30379"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Mar 13 11:02:54 2012"
               level="3">
        <file_statistics latency="00:08:51"
                         size="4358151"
                         time_creation="Tue Mar 13 10:13:50 2012"
                         time_modification="Tue Mar 13 10:08:50 2012" />
        <observations epoch_first="Tue Mar 13 09:00:00 2012"
                      epoch_last="Tue Mar 13 09:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="34568"
                obs_have="32829"
                obs_ratio="94.97" />
          <mask elevation="10 degrees"
                obs_expected="32902"
                obs_have="32829"
                obs_ratio="99.78" />
          <mask elevation="15 degrees"
                obs_expected="30379"
                obs_have="30379"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Mar 13 12:38:56 2012"
               level="3">
        <file_statistics latency="00:08:51"
                         size="4358151"
                         time_creation="Tue Mar 13 10:13:50 2012"
                         time_modification="Tue Mar 13 10:08:50 2012" />
        <observations epoch_first="Tue Mar 13 09:00:00 2012"
                      epoch_last="Tue Mar 13 09:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="34568"
                obs_have="32829"
                obs_ratio="94.97" />
          <mask elevation="10 degrees"
                obs_expected="32902"
                obs_have="32829"
                obs_ratio="99.78" />
          <mask elevation="15 degrees"
                obs_expected="30379"
                obs_have="30379"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Wed Mar 14 23:07:02 2012"
               level="3">
        <file_statistics latency="00:08:51"
                         size="4358151"
                         time_creation="Tue Mar 13 10:13:50 2012"
                         time_modification="Tue Mar 13 10:08:50 2012" />
        <observations epoch_first="Tue Mar 13 09:00:00 2012"
                      epoch_last="Tue Mar 13 09:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="34568"
                obs_have="32829"
                obs_ratio="94.97" />
          <mask elevation="10 degrees"
                obs_expected="32902"
                obs_have="32829"
                obs_ratio="99.78" />
          <mask elevation="15 degrees"
                obs_expected="30379"
                obs_have="30379"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Thu Apr 12 07:57:27 2012"
               level="3">
        <file_statistics latency="00:08:51"
                         size="4358151"
                         time_creation="Tue Apr 10 01:00:18 2012"
                         time_modification="Tue Mar 13 10:08:50 2012" />
        <observations epoch_first="Tue Mar 13 09:00:00 2012"
                      epoch_last="Tue Mar 13 09:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="34568"
                obs_have="32829"
                obs_ratio="94.97" />
          <mask elevation="10 degrees"
                obs_expected="32902"
                obs_have="32829"
                obs_ratio="99.78" />
          <mask elevation="15 degrees"
                obs_expected="30379"
                obs_have="30379"
                obs_ratio="100.00" />
        </observations>
      </control>
    </file>
    <file name="/cheb073k.12o"
          error="0"
          interval="1"
          session="k">
      <control date="Tue Mar 13 11:24:13 2012"
               level="3">
        <file_statistics latency="00:09:19"
                         size="4444032"
                         time_creation="Tue Mar 13 11:13:20 2012"
                         time_modification="Tue Mar 13 11:09:18 2012" />
        <observations epoch_first="Tue Mar 13 10:00:00 2012"
                      epoch_last="Tue Mar 13 10:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="38459"
                obs_have="33500"
                obs_ratio="87.11" />
          <mask elevation="10 degrees"
                obs_expected="33519"
                obs_have="33458"
                obs_ratio="99.82" />
          <mask elevation="15 degrees"
                obs_expected="29984"
                obs_have="29984"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Mar 13 11:49:15 2012"
               level="3">
        <file_statistics latency="00:09:19"
                         size="4444032"
                         time_creation="Tue Mar 13 11:13:20 2012"
                         time_modification="Tue Mar 13 11:09:18 2012" />
        <observations epoch_first="Tue Mar 13 10:00:00 2012"
                      epoch_last="Tue Mar 13 10:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="38459"
                obs_have="33500"
                obs_ratio="87.11" />
          <mask elevation="10 degrees"
                obs_expected="33519"
                obs_have="33458"
                obs_ratio="99.82" />
          <mask elevation="15 degrees"
                obs_expected="29984"
                obs_have="29984"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Mar 13 13:36:52 2012"
               level="3">
        <file_statistics latency="00:09:19"
                         size="4444032"
                         time_creation="Tue Mar 13 11:13:20 2012"
                         time_modification="Tue Mar 13 11:09:18 2012" />
        <observations epoch_first="Tue Mar 13 10:00:00 2012"
                      epoch_last="Tue Mar 13 10:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="38459"
                obs_have="33500"
                obs_ratio="87.11" />
          <mask elevation="10 degrees"
                obs_expected="33519"
                obs_have="33458"
                obs_ratio="99.82" />
          <mask elevation="15 degrees"
                obs_expected="29984"
                obs_have="29984"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Wed Mar 14 23:07:02 2012"
               level="3">
        <file_statistics latency="00:09:19"
                         size="4444032"
                         time_creation="Tue Mar 13 11:13:20 2012"
                         time_modification="Tue Mar 13 11:09:18 2012" />
        <observations epoch_first="Tue Mar 13 10:00:00 2012"
                      epoch_last="Tue Mar 13 10:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="38459"
                obs_have="33500"
                obs_ratio="87.11" />
          <mask elevation="10 degrees"
                obs_expected="33519"
                obs_have="33458"
                obs_ratio="99.82" />
          <mask elevation="15 degrees"
                obs_expected="29984"
                obs_have="29984"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Thu Apr 12 07:57:27 2012"
               level="3">
        <file_statistics latency="00:09:19"
                         size="4444032"
                         time_creation="Tue Apr 10 01:00:19 2012"
                         time_modification="Tue Mar 13 11:09:18 2012" />
        <observations epoch_first="Tue Mar 13 10:00:00 2012"
                      epoch_last="Tue Mar 13 10:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="38459"
                obs_have="33500"
                obs_ratio="87.11" />
          <mask elevation="10 degrees"
                obs_expected="33519"
                obs_have="33458"
                obs_ratio="99.82" />
          <mask elevation="15 degrees"
                obs_expected="29984"
                obs_have="29984"
                obs_ratio="100.00" />
        </observations>
      </control>
    </file>
    <file name="/cheb073l.12o"
          error="0"
          interval="1"
          session="l">
      <control date="Tue Mar 13 12:19:59 2012"
               level="3">
        <file_statistics latency="00:09:25"
                         size="3629525"
                         time_creation="Tue Mar 13 12:13:19 2012"
                         time_modification="Tue Mar 13 12:09:24 2012" />
        <observations epoch_first="Tue Mar 13 11:00:00 2012"
                      epoch_last="Tue Mar 13 11:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="30622"
                obs_have="27193"
                obs_ratio="88.80" />
          <mask elevation="10 degrees"
                obs_expected="27194"
                obs_have="27162"
                obs_ratio="99.88" />
          <mask elevation="15 degrees"
                obs_expected="25167"
                obs_have="25167"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Mar 13 12:48:53 2012"
               level="3">
        <file_statistics latency="00:09:25"
                         size="3629525"
                         time_creation="Tue Mar 13 12:13:19 2012"
                         time_modification="Tue Mar 13 12:09:24 2012" />
        <observations epoch_first="Tue Mar 13 11:00:00 2012"
                      epoch_last="Tue Mar 13 11:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="30622"
                obs_have="27193"
                obs_ratio="88.80" />
          <mask elevation="10 degrees"
                obs_expected="27194"
                obs_have="27162"
                obs_ratio="99.88" />
          <mask elevation="15 degrees"
                obs_expected="25167"
                obs_have="25167"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Mar 13 14:35:22 2012"
               level="3">
        <file_statistics latency="00:09:25"
                         size="3629525"
                         time_creation="Tue Mar 13 12:13:19 2012"
                         time_modification="Tue Mar 13 12:09:24 2012" />
        <observations epoch_first="Tue Mar 13 11:00:00 2012"
                      epoch_last="Tue Mar 13 11:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="30622"
                obs_have="27193"
                obs_ratio="88.80" />
          <mask elevation="10 degrees"
                obs_expected="27194"
                obs_have="27162"
                obs_ratio="99.88" />
          <mask elevation="15 degrees"
                obs_expected="25167"
                obs_have="25167"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Wed Mar 14 23:07:02 2012"
               level="3">
        <file_statistics latency="00:09:25"
                         size="3629525"
                         time_creation="Tue Mar 13 12:13:19 2012"
                         time_modification="Tue Mar 13 12:09:24 2012" />
        <observations epoch_first="Tue Mar 13 11:00:00 2012"
                      epoch_last="Tue Mar 13 11:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="30622"
                obs_have="27193"
                obs_ratio="88.80" />
          <mask elevation="10 degrees"
                obs_expected="27194"
                obs_have="27162"
                obs_ratio="99.88" />
          <mask elevation="15 degrees"
                obs_expected="25167"
                obs_have="25167"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Thu Apr 12 07:57:27 2012"
               level="3">
        <file_statistics latency="00:09:25"
                         size="3629525"
                         time_creation="Tue Apr 10 01:00:20 2012"
                         time_modification="Tue Mar 13 12:09:24 2012" />
        <observations epoch_first="Tue Mar 13 11:00:00 2012"
                      epoch_last="Tue Mar 13 11:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="30622"
                obs_have="27193"
                obs_ratio="88.80" />
          <mask elevation="10 degrees"
                obs_expected="27194"
                obs_have="27162"
                obs_ratio="99.88" />
          <mask elevation="15 degrees"
                obs_expected="25167"
                obs_have="25167"
                obs_ratio="100.00" />
        </observations>
      </control>
    </file>
    <file name="/cheb073m.12o"
          error="0"
          interval="1"
          session="m">
      <control date="Tue Mar 13 13:20:23 2012"
               level="3">
        <file_statistics latency="00:08:54"
                         size="4401962"
                         time_creation="Tue Mar 13 13:13:29 2012"
                         time_modification="Tue Mar 13 13:08:53 2012" />
        <observations epoch_first="Tue Mar 13 12:00:00 2012"
                      epoch_last="Tue Mar 13 12:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="34648"
                obs_have="33173"
                obs_ratio="95.74" />
          <mask elevation="10 degrees"
                obs_expected="33193"
                obs_have="33153"
                obs_ratio="99.88" />
          <mask elevation="15 degrees"
                obs_expected="27811"
                obs_have="27811"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Mar 13 13:48:15 2012"
               level="3">
        <file_statistics latency="00:08:54"
                         size="4401962"
                         time_creation="Tue Mar 13 13:13:29 2012"
                         time_modification="Tue Mar 13 13:08:53 2012" />
        <observations epoch_first="Tue Mar 13 12:00:00 2012"
                      epoch_last="Tue Mar 13 12:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="34648"
                obs_have="33173"
                obs_ratio="95.74" />
          <mask elevation="10 degrees"
                obs_expected="33193"
                obs_have="33153"
                obs_ratio="99.88" />
          <mask elevation="15 degrees"
                obs_expected="27811"
                obs_have="27811"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Mar 13 15:36:17 2012"
               level="3">
        <file_statistics latency="00:08:54"
                         size="4401962"
                         time_creation="Tue Mar 13 13:13:29 2012"
                         time_modification="Tue Mar 13 13:08:53 2012" />
        <observations epoch_first="Tue Mar 13 12:00:00 2012"
                      epoch_last="Tue Mar 13 12:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="34648"
                obs_have="33173"
                obs_ratio="95.74" />
          <mask elevation="10 degrees"
                obs_expected="33193"
                obs_have="33153"
                obs_ratio="99.88" />
          <mask elevation="15 degrees"
                obs_expected="27811"
                obs_have="27811"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Wed Mar 14 23:07:02 2012"
               level="3">
        <file_statistics latency="00:08:54"
                         size="4401962"
                         time_creation="Tue Mar 13 13:13:29 2012"
                         time_modification="Tue Mar 13 13:08:53 2012" />
        <observations epoch_first="Tue Mar 13 12:00:00 2012"
                      epoch_last="Tue Mar 13 12:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="34648"
                obs_have="33173"
                obs_ratio="95.74" />
          <mask elevation="10 degrees"
                obs_expected="33193"
                obs_have="33153"
                obs_ratio="99.88" />
          <mask elevation="15 degrees"
                obs_expected="27811"
                obs_have="27811"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Thu Apr 12 07:57:27 2012"
               level="3">
        <file_statistics latency="00:08:54"
                         size="4401962"
                         time_creation="Tue Apr 10 01:00:21 2012"
                         time_modification="Tue Mar 13 13:08:53 2012" />
        <observations epoch_first="Tue Mar 13 12:00:00 2012"
                      epoch_last="Tue Mar 13 12:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="34648"
                obs_have="33173"
                obs_ratio="95.74" />
          <mask elevation="10 degrees"
                obs_expected="33193"
                obs_have="33153"
                obs_ratio="99.88" />
          <mask elevation="15 degrees"
                obs_expected="27811"
                obs_have="27811"
                obs_ratio="100.00" />
        </observations>
      </control>
    </file>
    <file name="/cheb073n.12o"
          error="0"
          interval="1"
          session="n">
      <control date="Tue Mar 13 14:20:35 2012"
               level="3">
        <file_statistics latency="00:08:32"
                         size="4203059"
                         time_creation="Tue Mar 13 14:13:19 2012"
                         time_modification="Tue Mar 13 14:08:31 2012" />
        <observations epoch_first="Tue Mar 13 13:00:00 2012"
                      epoch_last="Tue Mar 13 13:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="35412"
                obs_have="31639"
                obs_ratio="89.35" />
          <mask elevation="10 degrees"
                obs_expected="31639"
                obs_have="31618"
                obs_ratio="99.93" />
          <mask elevation="15 degrees"
                obs_expected="27838"
                obs_have="27838"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Mar 13 14:46:27 2012"
               level="3">
        <file_statistics latency="00:08:32"
                         size="4203059"
                         time_creation="Tue Mar 13 14:13:19 2012"
                         time_modification="Tue Mar 13 14:08:31 2012" />
        <observations epoch_first="Tue Mar 13 13:00:00 2012"
                      epoch_last="Tue Mar 13 13:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="35411"
                obs_have="31639"
                obs_ratio="89.35" />
          <mask elevation="10 degrees"
                obs_expected="31640"
                obs_have="31618"
                obs_ratio="99.93" />
          <mask elevation="15 degrees"
                obs_expected="27838"
                obs_have="27838"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Mar 13 16:40:16 2012"
               level="3">
        <file_statistics latency="00:08:32"
                         size="4203059"
                         time_creation="Tue Mar 13 14:13:19 2012"
                         time_modification="Tue Mar 13 14:08:31 2012" />
        <observations epoch_first="Tue Mar 13 13:00:00 2012"
                      epoch_last="Tue Mar 13 13:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="35411"
                obs_have="31639"
                obs_ratio="89.35" />
          <mask elevation="10 degrees"
                obs_expected="31640"
                obs_have="31618"
                obs_ratio="99.93" />
          <mask elevation="15 degrees"
                obs_expected="27838"
                obs_have="27838"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Wed Mar 14 23:07:02 2012"
               level="3">
        <file_statistics latency="00:08:32"
                         size="4203059"
                         time_creation="Tue Mar 13 14:13:19 2012"
                         time_modification="Tue Mar 13 14:08:31 2012" />
        <observations epoch_first="Tue Mar 13 13:00:00 2012"
                      epoch_last="Tue Mar 13 13:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="35411"
                obs_have="31639"
                obs_ratio="89.35" />
          <mask elevation="10 degrees"
                obs_expected="31640"
                obs_have="31618"
                obs_ratio="99.93" />
          <mask elevation="15 degrees"
                obs_expected="27838"
                obs_have="27838"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Thu Apr 12 07:57:27 2012"
               level="3">
        <file_statistics latency="00:08:32"
                         size="4203059"
                         time_creation="Tue Apr 10 01:00:23 2012"
                         time_modification="Tue Mar 13 14:08:31 2012" />
        <observations epoch_first="Tue Mar 13 13:00:00 2012"
                      epoch_last="Tue Mar 13 13:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="35411"
                obs_have="31639"
                obs_ratio="89.35" />
          <mask elevation="10 degrees"
                obs_expected="31640"
                obs_have="31618"
                obs_ratio="99.93" />
          <mask elevation="15 degrees"
                obs_expected="27838"
                obs_have="27838"
                obs_ratio="100.00" />
        </observations>
      </control>
    </file>
    <file name="/cheb073o.12o"
          error="0"
          interval="1"
          session="o">
      <control date="Tue Mar 13 15:20:22 2012"
               level="3">
        <file_statistics latency="00:08:33"
                         size="3660939"
                         time_creation="Tue Mar 13 15:13:42 2012"
                         time_modification="Tue Mar 13 15:08:32 2012" />
        <observations epoch_first="Tue Mar 13 14:00:00 2012"
                      epoch_last="Tue Mar 13 14:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="31756"
                obs_have="27419"
                obs_ratio="86.34" />
          <mask elevation="10 degrees"
                obs_expected="27471"
                obs_have="27387"
                obs_ratio="99.69" />
          <mask elevation="15 degrees"
                obs_expected="24450"
                obs_have="24450"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Mar 13 15:47:53 2012"
               level="3">
        <file_statistics latency="00:08:33"
                         size="3660939"
                         time_creation="Tue Mar 13 15:13:42 2012"
                         time_modification="Tue Mar 13 15:08:32 2012" />
        <observations epoch_first="Tue Mar 13 14:00:00 2012"
                      epoch_last="Tue Mar 13 14:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="31756"
                obs_have="27419"
                obs_ratio="86.34" />
          <mask elevation="10 degrees"
                obs_expected="27471"
                obs_have="27387"
                obs_ratio="99.69" />
          <mask elevation="15 degrees"
                obs_expected="24450"
                obs_have="24450"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Mar 13 17:38:56 2012"
               level="3">
        <file_statistics latency="00:08:33"
                         size="3660939"
                         time_creation="Tue Mar 13 15:13:42 2012"
                         time_modification="Tue Mar 13 15:08:32 2012" />
        <observations epoch_first="Tue Mar 13 14:00:00 2012"
                      epoch_last="Tue Mar 13 14:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="31756"
                obs_have="27419"
                obs_ratio="86.34" />
          <mask elevation="10 degrees"
                obs_expected="27471"
                obs_have="27387"
                obs_ratio="99.69" />
          <mask elevation="15 degrees"
                obs_expected="24450"
                obs_have="24450"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Wed Mar 14 23:07:02 2012"
               level="3">
        <file_statistics latency="00:08:33"
                         size="3660939"
                         time_creation="Tue Mar 13 15:13:42 2012"
                         time_modification="Tue Mar 13 15:08:32 2012" />
        <observations epoch_first="Tue Mar 13 14:00:00 2012"
                      epoch_last="Tue Mar 13 14:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="31756"
                obs_have="27419"
                obs_ratio="86.34" />
          <mask elevation="10 degrees"
                obs_expected="27471"
                obs_have="27387"
                obs_ratio="99.69" />
          <mask elevation="15 degrees"
                obs_expected="24450"
                obs_have="24450"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Thu Apr 12 07:57:27 2012"
               level="3">
        <file_statistics latency="00:08:33"
                         size="3660939"
                         time_creation="Tue Apr 10 01:00:24 2012"
                         time_modification="Tue Mar 13 15:08:32 2012" />
        <observations epoch_first="Tue Mar 13 14:00:00 2012"
                      epoch_last="Tue Mar 13 14:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="31756"
                obs_have="27419"
                obs_ratio="86.34" />
          <mask elevation="10 degrees"
                obs_expected="27471"
                obs_have="27387"
                obs_ratio="99.69" />
          <mask elevation="15 degrees"
                obs_expected="24450"
                obs_have="24450"
                obs_ratio="100.00" />
        </observations>
      </control>
    </file>
    <file name="/cheb073p.12o"
          error="0"
          interval="1"
          session="p">
      <control date="Tue Mar 13 16:51:04 2012"
               level="3">
        <file_statistics latency="00:21:55"
                         size="3948511"
                         time_creation="Tue Mar 13 16:23:41 2012"
                         time_modification="Tue Mar 13 16:21:54 2012" />
        <observations epoch_first="Tue Mar 13 15:00:00 2012"
                      epoch_last="Tue Mar 13 15:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="32380"
                obs_have="29657"
                obs_ratio="91.59" />
          <mask elevation="10 degrees"
                obs_expected="29719"
                obs_have="29653"
                obs_ratio="99.78" />
          <mask elevation="15 degrees"
                obs_expected="24476"
                obs_have="24476"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Mar 13 18:45:57 2012"
               level="3">
        <file_statistics latency="00:21:55"
                         size="3948511"
                         time_creation="Tue Mar 13 16:23:41 2012"
                         time_modification="Tue Mar 13 16:21:54 2012" />
        <observations epoch_first="Tue Mar 13 15:00:00 2012"
                      epoch_last="Tue Mar 13 15:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="32380"
                obs_have="29657"
                obs_ratio="91.59" />
          <mask elevation="10 degrees"
                obs_expected="29719"
                obs_have="29653"
                obs_ratio="99.78" />
          <mask elevation="15 degrees"
                obs_expected="24476"
                obs_have="24476"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Wed Mar 14 23:07:02 2012"
               level="3">
        <file_statistics latency="00:21:55"
                         size="3948511"
                         time_creation="Tue Mar 13 16:23:41 2012"
                         time_modification="Tue Mar 13 16:21:54 2012" />
        <observations epoch_first="Tue Mar 13 15:00:00 2012"
                      epoch_last="Tue Mar 13 15:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="32380"
                obs_have="29657"
                obs_ratio="91.59" />
          <mask elevation="10 degrees"
                obs_expected="29719"
                obs_have="29653"
                obs_ratio="99.78" />
          <mask elevation="15 degrees"
                obs_expected="24476"
                obs_have="24476"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Thu Apr 12 07:57:27 2012"
               level="3">
        <file_statistics latency="00:21:55"
                         size="3948511"
                         time_creation="Tue Apr 10 01:00:25 2012"
                         time_modification="Tue Mar 13 16:21:54 2012" />
        <observations epoch_first="Tue Mar 13 15:00:00 2012"
                      epoch_last="Tue Mar 13 15:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="32380"
                obs_have="29657"
                obs_ratio="91.59" />
          <mask elevation="10 degrees"
                obs_expected="29719"
                obs_have="29653"
                obs_ratio="99.78" />
          <mask elevation="15 degrees"
                obs_expected="24476"
                obs_have="24476"
                obs_ratio="100.00" />
        </observations>
      </control>
    </file>
    <file name="/cheb073q.12o"
          error="0"
          interval="1"
          session="q">
      <control date="Tue Mar 13 17:22:15 2012"
               level="3">
        <file_statistics latency="00:10:58"
                         size="3899283"
                         time_creation="Tue Mar 13 17:13:18 2012"
                         time_modification="Tue Mar 13 17:10:57 2012" />
        <observations epoch_first="Tue Mar 13 16:00:00 2012"
                      epoch_last="Tue Mar 13 16:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="35593"
                obs_have="29264"
                obs_ratio="82.22" />
          <mask elevation="10 degrees"
                obs_expected="29345"
                obs_have="29244"
                obs_ratio="99.66" />
          <mask elevation="15 degrees"
                obs_expected="25689"
                obs_have="25689"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Mar 13 17:51:17 2012"
               level="3">
        <file_statistics latency="00:10:58"
                         size="3899283"
                         time_creation="Tue Mar 13 17:13:18 2012"
                         time_modification="Tue Mar 13 17:10:57 2012" />
        <observations epoch_first="Tue Mar 13 16:00:00 2012"
                      epoch_last="Tue Mar 13 16:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="35593"
                obs_have="29264"
                obs_ratio="82.22" />
          <mask elevation="10 degrees"
                obs_expected="29345"
                obs_have="29244"
                obs_ratio="99.66" />
          <mask elevation="15 degrees"
                obs_expected="25689"
                obs_have="25689"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Mar 13 20:01:37 2012"
               level="3">
        <file_statistics latency="00:10:58"
                         size="3899283"
                         time_creation="Tue Mar 13 17:13:18 2012"
                         time_modification="Tue Mar 13 17:10:57 2012" />
        <observations epoch_first="Tue Mar 13 16:00:00 2012"
                      epoch_last="Tue Mar 13 16:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="35593"
                obs_have="29264"
                obs_ratio="82.22" />
          <mask elevation="10 degrees"
                obs_expected="29345"
                obs_have="29244"
                obs_ratio="99.66" />
          <mask elevation="15 degrees"
                obs_expected="25689"
                obs_have="25689"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Wed Mar 14 23:07:02 2012"
               level="3">
        <file_statistics latency="00:10:58"
                         size="3899283"
                         time_creation="Tue Mar 13 17:13:18 2012"
                         time_modification="Tue Mar 13 17:10:57 2012" />
        <observations epoch_first="Tue Mar 13 16:00:00 2012"
                      epoch_last="Tue Mar 13 16:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="35593"
                obs_have="29264"
                obs_ratio="82.22" />
          <mask elevation="10 degrees"
                obs_expected="29345"
                obs_have="29244"
                obs_ratio="99.66" />
          <mask elevation="15 degrees"
                obs_expected="25689"
                obs_have="25689"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Thu Apr 12 07:57:27 2012"
               level="3">
        <file_statistics latency="00:10:58"
                         size="3899283"
                         time_creation="Tue Apr 10 01:00:26 2012"
                         time_modification="Tue Mar 13 17:10:57 2012" />
        <observations epoch_first="Tue Mar 13 16:00:00 2012"
                      epoch_last="Tue Mar 13 16:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="35593"
                obs_have="29264"
                obs_ratio="82.22" />
          <mask elevation="10 degrees"
                obs_expected="29345"
                obs_have="29244"
                obs_ratio="99.66" />
          <mask elevation="15 degrees"
                obs_expected="25689"
                obs_have="25689"
                obs_ratio="100.00" />
        </observations>
      </control>
    </file>
    <file name="/cheb073r.12o"
          error="0"
          interval="1"
          session="r">
      <control date="Tue Mar 13 18:28:22 2012"
               level="3">
        <file_statistics latency="00:11:00"
                         size="4027878"
                         time_creation="Tue Mar 13 18:13:24 2012"
                         time_modification="Tue Mar 13 18:10:59 2012" />
        <observations epoch_first="Tue Mar 13 17:00:00 2012"
                      epoch_last="Tue Mar 13 17:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="35046"
                obs_have="30274"
                obs_ratio="86.38" />
          <mask elevation="10 degrees"
                obs_expected="30313"
                obs_have="30248"
                obs_ratio="99.79" />
          <mask elevation="15 degrees"
                obs_expected="27426"
                obs_have="27426"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Mar 13 19:02:02 2012"
               level="3">
        <file_statistics latency="00:11:00"
                         size="4027878"
                         time_creation="Tue Mar 13 18:13:24 2012"
                         time_modification="Tue Mar 13 18:10:59 2012" />
        <observations epoch_first="Tue Mar 13 17:00:00 2012"
                      epoch_last="Tue Mar 13 17:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="35046"
                obs_have="30274"
                obs_ratio="86.38" />
          <mask elevation="10 degrees"
                obs_expected="30313"
                obs_have="30248"
                obs_ratio="99.79" />
          <mask elevation="15 degrees"
                obs_expected="27426"
                obs_have="27426"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Mar 13 20:55:46 2012"
               level="3">
        <file_statistics latency="00:11:00"
                         size="4027878"
                         time_creation="Tue Mar 13 18:13:24 2012"
                         time_modification="Tue Mar 13 18:10:59 2012" />
        <observations epoch_first="Tue Mar 13 17:00:00 2012"
                      epoch_last="Tue Mar 13 17:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="35046"
                obs_have="30274"
                obs_ratio="86.38" />
          <mask elevation="10 degrees"
                obs_expected="30313"
                obs_have="30248"
                obs_ratio="99.79" />
          <mask elevation="15 degrees"
                obs_expected="27426"
                obs_have="27426"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Wed Mar 14 23:07:02 2012"
               level="3">
        <file_statistics latency="00:11:00"
                         size="4027878"
                         time_creation="Tue Mar 13 18:13:24 2012"
                         time_modification="Tue Mar 13 18:10:59 2012" />
        <observations epoch_first="Tue Mar 13 17:00:00 2012"
                      epoch_last="Tue Mar 13 17:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="35046"
                obs_have="30274"
                obs_ratio="86.38" />
          <mask elevation="10 degrees"
                obs_expected="30313"
                obs_have="30248"
                obs_ratio="99.79" />
          <mask elevation="15 degrees"
                obs_expected="27426"
                obs_have="27426"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Thu Apr 12 07:57:27 2012"
               level="3">
        <file_statistics latency="00:11:00"
                         size="4027878"
                         time_creation="Tue Apr 10 01:00:27 2012"
                         time_modification="Tue Mar 13 18:10:59 2012" />
        <observations epoch_first="Tue Mar 13 17:00:00 2012"
                      epoch_last="Tue Mar 13 17:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="35046"
                obs_have="30274"
                obs_ratio="86.38" />
          <mask elevation="10 degrees"
                obs_expected="30313"
                obs_have="30248"
                obs_ratio="99.79" />
          <mask elevation="15 degrees"
                obs_expected="27426"
                obs_have="27426"
                obs_ratio="100.00" />
        </observations>
      </control>
    </file>
    <file name="/cheb073s.12o"
          error="0"
          interval="1"
          session="s">
      <control date="Tue Mar 13 19:37:07 2012"
               level="3">
        <file_statistics latency="00:11:06"
                         size="4303292"
                         time_creation="Tue Mar 13 19:13:28 2012"
                         time_modification="Tue Mar 13 19:11:05 2012" />
        <observations epoch_first="Tue Mar 13 18:00:00 2012"
                      epoch_last="Tue Mar 13 18:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="33531"
                obs_have="32416"
                obs_ratio="96.67" />
          <mask elevation="10 degrees"
                obs_expected="32428"
                obs_have="32405"
                obs_ratio="99.93" />
          <mask elevation="15 degrees"
                obs_expected="30737"
                obs_have="30737"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Mar 13 22:00:37 2012"
               level="3">
        <file_statistics latency="00:11:06"
                         size="4303292"
                         time_creation="Tue Mar 13 19:13:28 2012"
                         time_modification="Tue Mar 13 19:11:05 2012" />
        <observations epoch_first="Tue Mar 13 18:00:00 2012"
                      epoch_last="Tue Mar 13 18:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="33531"
                obs_have="32416"
                obs_ratio="96.67" />
          <mask elevation="10 degrees"
                obs_expected="32428"
                obs_have="32405"
                obs_ratio="99.93" />
          <mask elevation="15 degrees"
                obs_expected="30737"
                obs_have="30737"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Wed Mar 14 23:07:02 2012"
               level="3">
        <file_statistics latency="00:11:06"
                         size="4303292"
                         time_creation="Tue Mar 13 19:13:28 2012"
                         time_modification="Tue Mar 13 19:11:05 2012" />
        <observations epoch_first="Tue Mar 13 18:00:00 2012"
                      epoch_last="Tue Mar 13 18:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="33531"
                obs_have="32416"
                obs_ratio="96.67" />
          <mask elevation="10 degrees"
                obs_expected="32428"
                obs_have="32405"
                obs_ratio="99.93" />
          <mask elevation="15 degrees"
                obs_expected="30737"
                obs_have="30737"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Thu Apr 12 07:57:27 2012"
               level="3">
        <file_statistics latency="00:11:06"
                         size="4303292"
                         time_creation="Tue Apr 10 01:00:28 2012"
                         time_modification="Tue Mar 13 19:11:05 2012" />
        <observations epoch_first="Tue Mar 13 18:00:00 2012"
                      epoch_last="Tue Mar 13 18:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="33531"
                obs_have="32416"
                obs_ratio="96.67" />
          <mask elevation="10 degrees"
                obs_expected="32428"
                obs_have="32405"
                obs_ratio="99.93" />
          <mask elevation="15 degrees"
                obs_expected="30737"
                obs_have="30737"
                obs_ratio="100.00" />
        </observations>
      </control>
    </file>
    <file name="/cheb073t.12o"
          error="0"
          interval="1"
          session="t">
      <control date="Tue Mar 13 20:31:14 2012"
               level="3">
        <file_statistics latency="00:11:58"
                         size="4186821"
                         time_creation="Tue Mar 13 20:13:40 2012"
                         time_modification="Tue Mar 13 20:11:57 2012" />
        <observations epoch_first="Tue Mar 13 19:00:00 2012"
                      epoch_last="Tue Mar 13 19:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="34197"
                obs_have="31514"
                obs_ratio="92.15" />
          <mask elevation="10 degrees"
                obs_expected="31522"
                obs_have="31483"
                obs_ratio="99.88" />
          <mask elevation="15 degrees"
                obs_expected="27852"
                obs_have="27852"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Mar 13 22:55:20 2012"
               level="3">
        <file_statistics latency="00:11:58"
                         size="4186821"
                         time_creation="Tue Mar 13 20:13:40 2012"
                         time_modification="Tue Mar 13 20:11:57 2012" />
        <observations epoch_first="Tue Mar 13 19:00:00 2012"
                      epoch_last="Tue Mar 13 19:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="34197"
                obs_have="31514"
                obs_ratio="92.15" />
          <mask elevation="10 degrees"
                obs_expected="31522"
                obs_have="31483"
                obs_ratio="99.88" />
          <mask elevation="15 degrees"
                obs_expected="27852"
                obs_have="27852"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Wed Mar 14 23:07:02 2012"
               level="3">
        <file_statistics latency="00:11:58"
                         size="4186821"
                         time_creation="Tue Mar 13 20:13:40 2012"
                         time_modification="Tue Mar 13 20:11:57 2012" />
        <observations epoch_first="Tue Mar 13 19:00:00 2012"
                      epoch_last="Tue Mar 13 19:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="34197"
                obs_have="31514"
                obs_ratio="92.15" />
          <mask elevation="10 degrees"
                obs_expected="31522"
                obs_have="31483"
                obs_ratio="99.88" />
          <mask elevation="15 degrees"
                obs_expected="27852"
                obs_have="27852"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Thu Apr 12 07:57:27 2012"
               level="3">
        <file_statistics latency="00:11:58"
                         size="4186821"
                         time_creation="Tue Apr 10 01:00:29 2012"
                         time_modification="Tue Mar 13 20:11:57 2012" />
        <observations epoch_first="Tue Mar 13 19:00:00 2012"
                      epoch_last="Tue Mar 13 19:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="34197"
                obs_have="31514"
                obs_ratio="92.15" />
          <mask elevation="10 degrees"
                obs_expected="31522"
                obs_have="31483"
                obs_ratio="99.88" />
          <mask elevation="15 degrees"
                obs_expected="27852"
                obs_have="27852"
                obs_ratio="100.00" />
        </observations>
      </control>
    </file>
    <file name="/cheb073u.12o"
          error="0"
          interval="1"
          session="u">
      <control date="Tue Mar 13 21:31:09 2012"
               level="3">
        <file_statistics latency="00:11:58"
                         size="3829976"
                         time_creation="Tue Mar 13 21:13:43 2012"
                         time_modification="Tue Mar 13 21:11:57 2012" />
        <observations epoch_first="Tue Mar 13 20:00:00 2012"
                      epoch_last="Tue Mar 13 20:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="35559"
                obs_have="28739"
                obs_ratio="80.82" />
          <mask elevation="10 degrees"
                obs_expected="28763"
                obs_have="28671"
                obs_ratio="99.68" />
          <mask elevation="15 degrees"
                obs_expected="23207"
                obs_have="23207"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Mar 13 23:43:33 2012"
               level="3">
        <file_statistics latency="00:11:58"
                         size="3829976"
                         time_creation="Tue Mar 13 21:13:43 2012"
                         time_modification="Tue Mar 13 21:11:57 2012" />
        <observations epoch_first="Tue Mar 13 20:00:00 2012"
                      epoch_last="Tue Mar 13 20:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="35559"
                obs_have="28739"
                obs_ratio="80.82" />
          <mask elevation="10 degrees"
                obs_expected="28763"
                obs_have="28671"
                obs_ratio="99.68" />
          <mask elevation="15 degrees"
                obs_expected="23207"
                obs_have="23207"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Wed Mar 14 23:07:02 2012"
               level="3">
        <file_statistics latency="00:11:58"
                         size="3829976"
                         time_creation="Tue Mar 13 21:13:43 2012"
                         time_modification="Tue Mar 13 21:11:57 2012" />
        <observations epoch_first="Tue Mar 13 20:00:00 2012"
                      epoch_last="Tue Mar 13 20:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="35559"
                obs_have="28739"
                obs_ratio="80.82" />
          <mask elevation="10 degrees"
                obs_expected="28763"
                obs_have="28671"
                obs_ratio="99.68" />
          <mask elevation="15 degrees"
                obs_expected="23207"
                obs_have="23207"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Thu Apr 12 07:57:27 2012"
               level="3">
        <file_statistics latency="00:11:58"
                         size="3829976"
                         time_creation="Tue Apr 10 01:00:30 2012"
                         time_modification="Tue Mar 13 21:11:57 2012" />
        <observations epoch_first="Tue Mar 13 20:00:00 2012"
                      epoch_last="Tue Mar 13 20:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="35559"
                obs_have="28739"
                obs_ratio="80.82" />
          <mask elevation="10 degrees"
                obs_expected="28763"
                obs_have="28671"
                obs_ratio="99.68" />
          <mask elevation="15 degrees"
                obs_expected="23207"
                obs_have="23207"
                obs_ratio="100.00" />
        </observations>
      </control>
    </file>
    <file name="/cheb073v.12o"
          error="0"
          interval="1"
          session="v">
      <control date="Tue Mar 13 22:33:38 2012"
               level="3">
        <file_statistics latency="00:11:59"
                         size="4104873"
                         time_creation="Tue Mar 13 22:13:42 2012"
                         time_modification="Tue Mar 13 22:11:58 2012" />
        <observations epoch_first="Tue Mar 13 21:00:00 2012"
                      epoch_last="Tue Mar 13 21:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="32376"
                obs_have="30884"
                obs_ratio="95.39" />
          <mask elevation="10 degrees"
                obs_expected="30883"
                obs_have="30862"
                obs_ratio="99.93" />
          <mask elevation="15 degrees"
                obs_expected="29349"
                obs_have="29349"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Wed Mar 14 00:46:23 2012"
               level="3">
        <file_statistics latency="00:11:59"
                         size="4104873"
                         time_creation="Tue Mar 13 22:13:42 2012"
                         time_modification="Tue Mar 13 22:11:58 2012" />
        <observations epoch_first="Tue Mar 13 21:00:00 2012"
                      epoch_last="Tue Mar 13 21:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="32376"
                obs_have="30884"
                obs_ratio="95.39" />
          <mask elevation="10 degrees"
                obs_expected="30883"
                obs_have="30862"
                obs_ratio="99.93" />
          <mask elevation="15 degrees"
                obs_expected="29349"
                obs_have="29349"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Wed Mar 14 23:07:02 2012"
               level="3">
        <file_statistics latency="00:11:59"
                         size="4104873"
                         time_creation="Tue Mar 13 22:13:42 2012"
                         time_modification="Tue Mar 13 22:11:58 2012" />
        <observations epoch_first="Tue Mar 13 21:00:00 2012"
                      epoch_last="Tue Mar 13 21:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="32376"
                obs_have="30884"
                obs_ratio="95.39" />
          <mask elevation="10 degrees"
                obs_expected="30883"
                obs_have="30862"
                obs_ratio="99.93" />
          <mask elevation="15 degrees"
                obs_expected="29349"
                obs_have="29349"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Thu Apr 12 07:57:27 2012"
               level="3">
        <file_statistics latency="00:11:59"
                         size="4104873"
                         time_creation="Tue Apr 10 01:00:31 2012"
                         time_modification="Tue Mar 13 22:11:58 2012" />
        <observations epoch_first="Tue Mar 13 21:00:00 2012"
                      epoch_last="Tue Mar 13 21:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="32376"
                obs_have="30884"
                obs_ratio="95.39" />
          <mask elevation="10 degrees"
                obs_expected="30883"
                obs_have="30862"
                obs_ratio="99.93" />
          <mask elevation="15 degrees"
                obs_expected="29349"
                obs_have="29349"
                obs_ratio="100.00" />
        </observations>
      </control>
    </file>
    <file name="/cheb073w.12o"
          error="0"
          interval="1"
          session="w">
      <control date="Tue Mar 13 23:25:45 2012"
               level="3">
        <file_statistics latency="00:11:56"
                         size="3345761"
                         time_creation="Tue Mar 13 23:13:39 2012"
                         time_modification="Tue Mar 13 23:11:55 2012" />
        <observations epoch_first="Tue Mar 13 22:00:00 2012"
                      epoch_last="Tue Mar 13 22:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="28702"
                obs_have="24967"
                obs_ratio="86.99" />
          <mask elevation="10 degrees"
                obs_expected="24997"
                obs_have="24947"
                obs_ratio="99.80" />
          <mask elevation="15 degrees"
                obs_expected="22302"
                obs_have="22302"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Tue Mar 13 23:56:19 2012"
               level="3">
        <file_statistics latency="00:11:56"
                         size="3345761"
                         time_creation="Tue Mar 13 23:13:39 2012"
                         time_modification="Tue Mar 13 23:11:55 2012" />
        <observations epoch_first="Tue Mar 13 22:00:00 2012"
                      epoch_last="Tue Mar 13 22:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="28702"
                obs_have="24967"
                obs_ratio="86.99" />
          <mask elevation="10 degrees"
                obs_expected="24997"
                obs_have="24947"
                obs_ratio="99.80" />
          <mask elevation="15 degrees"
                obs_expected="22302"
                obs_have="22302"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Wed Mar 14 01:37:46 2012"
               level="3">
        <file_statistics latency="00:11:56"
                         size="3345761"
                         time_creation="Tue Mar 13 23:13:39 2012"
                         time_modification="Tue Mar 13 23:11:55 2012" />
        <observations epoch_first="Tue Mar 13 22:00:00 2012"
                      epoch_last="Tue Mar 13 22:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="28702"
                obs_have="24967"
                obs_ratio="86.99" />
          <mask elevation="10 degrees"
                obs_expected="24997"
                obs_have="24947"
                obs_ratio="99.80" />
          <mask elevation="15 degrees"
                obs_expected="22302"
                obs_have="22302"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Wed Mar 14 23:07:02 2012"
               level="3">
        <file_statistics latency="00:11:56"
                         size="3345761"
                         time_creation="Tue Mar 13 23:13:39 2012"
                         time_modification="Tue Mar 13 23:11:55 2012" />
        <observations epoch_first="Tue Mar 13 22:00:00 2012"
                      epoch_last="Tue Mar 13 22:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="28702"
                obs_have="24967"
                obs_ratio="86.99" />
          <mask elevation="10 degrees"
                obs_expected="24997"
                obs_have="24947"
                obs_ratio="99.80" />
          <mask elevation="15 degrees"
                obs_expected="22302"
                obs_have="22302"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Thu Apr 12 07:57:27 2012"
               level="3">
        <file_statistics latency="00:11:56"
                         size="3345761"
                         time_creation="Tue Apr 10 01:00:32 2012"
                         time_modification="Tue Mar 13 23:11:55 2012" />
        <observations epoch_first="Tue Mar 13 22:00:00 2012"
                      epoch_last="Tue Mar 13 22:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="28702"
                obs_have="24967"
                obs_ratio="86.99" />
          <mask elevation="10 degrees"
                obs_expected="24997"
                obs_have="24947"
                obs_ratio="99.80" />
          <mask elevation="15 degrees"
                obs_expected="22302"
                obs_have="22302"
                obs_ratio="100.00" />
        </observations>
      </control>
    </file>
    <file name="/cheb073x.12o"
          error="0"
          interval="1"
          session="x">
      <control date="Wed Mar 14 23:07:02 2012"
               level="3">
        <file_statistics latency="13:47:15"
                         size="3411509"
                         time_creation="Wed Mar 14 15:09:13 2012"
                         time_modification="Wed Mar 14 13:47:14 2012" />
        <observations epoch_first="Tue Mar 13 23:00:00 2012"
                      epoch_last="Tue Mar 13 23:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="31506"
                obs_have="25432"
                obs_ratio="80.72" />
          <mask elevation="10 degrees"
                obs_expected="25520"
                obs_have="25373"
                obs_ratio="99.42" />
          <mask elevation="15 degrees"
                obs_expected="21473"
                obs_have="21473"
                obs_ratio="100.00" />
        </observations>
      </control>
      <control date="Thu Apr 12 07:57:27 2012"
               level="3">
        <file_statistics latency="13:47:15"
                         size="3411509"
                         time_creation="Tue Apr 10 01:00:32 2012"
                         time_modification="Wed Mar 14 13:47:14 2012" />
        <observations epoch_first="Tue Mar 13 23:00:00 2012"
                      epoch_last="Tue Mar 13 23:59:59 2012"
                      epochs="3600"
                      epochs_ratio="100.00">
          <mask elevation="03 degrees"
                obs_expected="31506"
                obs_have="25432"
                obs_ratio="80.72" />
          <mask elevation="10 degrees"
                obs_expected="25520"
                obs_have="25373"
                obs_ratio="99.42" />
          <mask elevation="15 degrees"
                obs_expected="21473"
                obs_have="21473"
                obs_ratio="100.00" />
        </observations>
      </control>
    </file>
  </station>
</QC>
