Philae Wakes Up! |
Philae Wakes Up! |
Jun 14 2015, 11:05 AM
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#1
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Senior Member Group: Members Posts: 2922 Joined: 14-February 06 From: Very close to the Pyrénées Mountains (France) Member No.: 682 |
Got the info from a Radio that CNES get a 2mn contact with Philae last nigth and 40 second of data.
Please take this info with due precautions waiting for confirmation before opening a new topic. http://tempsreel.nouvelobs.com/en-direct/a...-spatiales.html -------------------- |
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Jun 26 2015, 03:38 AM
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#2
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Member Group: Members Posts: 244 Joined: 2-March 15 Member No.: 7408 |
After looking through these times and timestamps, I can only conclude that the timestamps in battery data from November 2014 are UTC SCET, but that the timestamps in battery data from June 2015 are in UTC ground receipt time.
I can see a clear indication of the separation event in the power data at timestamps corresponding to the time of separation, down to the minute. I can also see a clear indication of the initial touchdown and of the penultimate touchdown, both with timestamps matching the time those events are said to have occurred, down to the minute. When I look for post-wakeup communication, on the other hand, timestamps in the power data match reported ground receipt times instead. For example, the first post-wakeup signals "were received at ESA's European Space Operations Centre in Darmstadt at 22:28 CEST on 13 June", so 2015-06-13 20:28 UTC, which matches (down to the minute) the timestamp of the first post-wakeup battery data point, which is 2015-06-13 20:28:46.025. |
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