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Old 10-19-2016, 03:10 PM   #91
GLS
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ESA_Schiaparelli ‏@ESA_EDM 1m1 minute ago

15:03UT: Accordingly to nominal timeline, Schiaparelli be shutting down its radio after landing to conserve power. Stay tuned #ExoMars

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Emily Lakdawalla ‏@elakdawalla 1m1 minute ago

If we hear nothing further from EDM right now, next chance to learn news is from TGO transmission of telemetry in ~45-55 minutes.

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*deafening silence*

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ESA Operations ‏@esaoperations 47s47 seconds ago

High above @ESA_EDM, #MarsExpress has finished listening to the Schiaparelli, ready to relay the recording to Earth #ExoMars

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Emily Lakdawalla ‏@elakdawalla now

Correction to this tweet: the recording of the telemetry we're looking forward to is from Mars Express, not TGO.
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Old 10-19-2016, 03:15 PM   #92
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Remember, signal strength was low to begin with. This could be indicative that we're right on the edge of the antenna of the spacecraft. It's the same problem that the STEREO team has with STEREO-B, comms are on the edge of the LGAs. Attitude change when switching over to powered descent could have taken us out of alignment with the lander antenna.
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Old 10-19-2016, 03:39 PM   #93
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ESA Operations ‏@esaoperations 31s31 seconds ago

#MarsExpress is now swinging away from Mars, getting ready to point its main antenna at Earth and downlink the @ESA_EDM recording #ExoMars

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ESA Operations ‏@esaoperations 31s31 seconds ago

[email protected] it should be around 1.5 hours before we have replayed and processed the @ESA_EDM recording #ExoMars

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ESA Operations ‏@esaoperations 1m1 minute ago

[email protected]_TGO LOSS OF SIGNAL! @ESA_TGO has now passed behind Mars as expected, engine still burning as it enters orbit #ExoMars

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ESA Operations ‏@esaoperations 39s39 seconds ago

Don't worry - the @ESA_TGO orbiter signal loss is normal - it now has a lonely 1 hour journey behind Mars #ExoMars

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ESA Operations ‏@esaoperations 16s16 seconds ago

#MarsExpress has started transmitting the @ESA_EDM landing recording. Even at light speed it will take 9m47s to reach Earth #ExoMars
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Old 10-19-2016, 03:42 PM   #94
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Waiting...

What we need is Mark Watney with a set of jump leads.
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Old 10-19-2016, 03:47 PM   #95
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Another live coverage starting http://livestream.com/ESA/marsarrival

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ESA Operations ‏@esaoperations 31s31 seconds ago

#MarsExpress signal acquired! The ESA Deep Space Antenna #Cebreros reports a clear signal from @ESA's veteran Mars mission. #ExoMars
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Old 10-19-2016, 03:54 PM   #96
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Quote:
Originally Posted by Ravenous View Post
 Waiting...

What we need is Mark Watney with a set of jump leads.
We should make it mandatory to bring a bag of potatoes to Mars with every lander, manned or unmanned.

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The size of the EDM uplink recording in MEX memory is consistent with expected size before landing. Nominal.
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Old 10-19-2016, 03:55 PM   #97
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ESA Operations ‏@esaoperations 1m1 minute ago

Engineer @marwood82 report to #FlightDirector: size of @ESA_EDM recording on-board #MarsExpress is consistent with expected size #ExoMars
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Old 10-19-2016, 03:56 PM   #98
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Quote:
ESA Operations ‏@esaoperations · 2m2 minutes ago

Engineer @marwood82 report to #FlightDirector: size of @ESA_EDM recording on-board #MarsExpress is consistent with expected size
Guess that means they got the whole transmission as expected, so no (catastrophic)failure?

Hah sorry about the multiple post guys, I'll listen and learn for a while!
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Old 10-19-2016, 04:00 PM   #99
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ESA Operations ‏@esaoperations now

[email protected] it will take just over 10 minutes for #MarsExpress to transmit the @ESA_EDM recording #ExoMars

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ESA Operations ‏@esaoperations 31s31 seconds ago

[email protected] @kona404 Interpretation of the @ESA_EDM recording is quite complex - could take more than 30 minutes #ExoMars
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Old 10-19-2016, 04:01 PM   #100
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BTW, who is interested in the nuts and bolts of ESA telemetry, the communication protocol is standardized since 1988:

http://microelectronics.esa.int/vhdl/pss/PSS-04-106.pdf
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Old 10-19-2016, 04:45 PM   #101
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ESA Operations ‏@esaoperations 40s40 seconds ago

#MarsExpress team now processing @ESA_EDM landing recording to extract the trace of the lander's signal as it descended to Mars #ExoMars

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ESA Operations ‏@esaoperations 48s48 seconds ago

When we acquire the @ESA_TGO signal from behind Mars, #FlightDynamics will calculate the precise orbit reached #ExoMars

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ESA Operations ‏@esaoperations 16s16 seconds ago

[email protected]_TGO will begin to emerge from behind Mars in just a few more minutes. All waiting to find how the #BigBurn went! #ExoMars

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ESA Operations ‏@esaoperations 5s5 seconds ago

#MarsExpress recording of @ESA_EDM descent is now processed and is being analysed by experts at #ESOC #ExoMars

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Signal from TGO!!!

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Emily Lakdawalla Retweeted
Sarah Milkovich ‏@milkysa 2m2 minutes ago

Always delightful to see a new squiggly line appear on @dsn_status - Go @ESA_TGO !


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ESA Operations ‏@esaoperations 41s41 seconds ago

#FlightDynamics need around 2 hours of data to confirm we've reached orbit with @ESA_TGO, should come around 20:30 CEST #ExoMars

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ESA Operations ‏@esaoperations 1m1 minute ago

Initial reports from @ESA_TGO telemetry are that it performed exactly as expected during the #BigBurn #ExoMars
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Old 10-19-2016, 05:04 PM   #102
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Old 10-19-2016, 05:07 PM   #103
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Emily Lakdawalla ‏@elakdawalla 1m1 minute ago

Emily Lakdawalla Retweeted Angeliki

Opportunity was instructed to attempt a photo; we don't know if it succeeded. Its downlink begins at 13:07 PDT / 20:07 UT / 22:07 CEST.

Emily Lakdawalla added,
Angeliki @Capoglou
Anyone knows what happened with that #Schiaparelli descent photo by @MarsRovers ? @elakdawalla ?
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Old 10-19-2016, 05:21 PM   #104
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Nicolas Wöhrl ‏@Icewalker1974 16 Min
There are actually some rumors behind the scenes that the landing was not soft and Schiaparelli did not make it. #ExoMars
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Old 10-19-2016, 05:25 PM   #105
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ESA Operations ‏@esaoperations 10m10 minutes ago

[email protected]_EDM recording from #MarsExpress is inconclusive - not clear yet what the status of the lander is #ExoMars

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