Tohban Report 2015-09-30

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  2015-266-19:25:51 /IHVDAC DETECTOR=4, VOLTAGE=134 (2598 V)
  2015-266-19:25:51 /IHVDAC DETECTOR=4, VOLTAGE=134 (2598 V)
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* It was noticed that Detector 9 ULD events had maxed out in the monitor plots again on Sept. 11.  This wasn't noticed because D9 events are still off.  To try and avoid/mitigate potential damage to the detector, we lowered the HV on D9 on Sept. 29 PDT (Sept. 30 03:00 UTC) from ~800V to 490V.  We briefly turned on events for G9 as well.  Events were then turned off
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again at eclipse entry.
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2015-273-03:00:43 /itmon value=AFE8 (Detector 9 events on)
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2015-273-03:01:09 /IHVDAC DETECTOR=9, VOLTAGE=26
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== Other notes ==
== Other notes ==

Revision as of 03:24, 30 September 2015


Tohban Reports
Start Date: 23 Sep 2015
End Date: 30 Sep 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

No data gaps as of Tuesday evening.

Detector issues

2015-266-19:24:00 /IDPUTABLE3 OFFSET=FRONTSLOWDAC
2015-266-19:24:12 /IDPLOAD VALUE=0x1C   ;was 0x80
2015-266-19:25:51 /IHVDAC DETECTOR=4, VOLTAGE=134 (2598 V)

again at eclipse entry.

2015-273-03:00:43 /itmon value=AFE8 (Detector 9 events on)
2015-273-03:01:09 /IHVDAC DETECTOR=9, VOLTAGE=26


Other notes

Spacecraft Management

It's about time for a spinup.


Decimation Active/Vigorous
HLAT Decimation Rear decimation weight 6, no front decimation
Night time data (fronts) +/- 4 minutes
Night time data (rears) +/- 4 minutes
Require extra passes? No
Requirement for moving pointer? No
Attenuator operation Looks ok.
Detector problems? See notes above.
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