Tohban Report 2015-07-29

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out threshold was changed from 1.96 to 2.75% deadtime.  The changes were made today, July 24, at 2015-204-17:44:08 UT.  The last attenuator motion (A1 to A0) was July 9, 2015.
out threshold was changed from 1.96 to 2.75% deadtime.  The changes were made today, July 24, at 2015-204-17:44:08 UT.  The last attenuator motion (A1 to A0) was July 9, 2015.
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[[File:Rhessi-livetime-july21.png]]
   
   
== Spacecraft Management ==
== Spacecraft Management ==

Revision as of 23:33, 23 July 2015


Tohban Reports
Start Date: 22 Jul 2015
End Date: 29 Jul 2015
Tohban: Lindsay Glesener
Tohban email: glesener@ssl.berkeley.edu
Next Tohban: TBD
List all reports



Contents

Solar Activity

Memory Management

Spacecraft Status

Data Gaps

Detector issues

Other notes

Attenuators:

Both D1 and D7 livetimes had continued to degrade since we last changed the attenuator deinsertion settings. Livetime values are now flipping between 97.25% and 97.65% and only rarely jumping a level up from that. Attenuator deinsertion levels at the beginning of this tohban week were 98.04% for the thin and 98.43% for the thick, so if either attenuator were to come in it would not come out until commanded to. Therefore, a change in deinsertion threshold was requested. The A3 out threshold was change from 1.57% to 2.75% deadtime and the A1 out threshold was changed from 1.96 to 2.75% deadtime. The changes were made today, July 24, at 2015-204-17:44:08 UT. The last attenuator motion (A1 to A0) was July 9, 2015.

Rhessi-livetime-july21.png

Spacecraft Management

Decimation Normal/Vigorous
Night time data (fronts) +- 4 minutes
Night time data (rears) +- 4 minutes
Require extra passes? No
Requirement for moving pointer? No
Attenuator operation Unknown
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