This is the AIRS, AMSU-A, and HSB weekly operations status report for Friday, October 13, 2023 (the end of week 1119 of the Aqua mission). 
 
AIRS:  The AIRS instrument remains healthy with all voltages, currents, and temperatures as expected.
AMSU-A1:  AMSU-A1 is healthy except for channels 4, 5, 6, and 7.
AMSU-A2:  AMSU-A2, which provided channels 1 and 2 of the AMSU-A suite, suffered a non-recoverable loss of power on September 24, 2016 and is no longer operational.
HSB:  HSB has been non-operational since February 2003 due to a scanner anomaly.


Instrument activities since previous report:

An AIRS photometric calibration test (using lamp 3 only) ran on Saturday, October 7.  Here is the timeline (UT):
   280/21:32:00  Photocal Lamp 3 On (S/C night)
   280/21:40:00  Photocal Lamps Off (S/C night)
   280/22:22:00  Photocal Lamp 3 On (S/C day)
   280/22:30:00  Photocal Lamps Off (S/C day)


Upcoming events:
 
1) An AIRS guard test is planned for Monday, October 23.  This activity has not been scheduled yet.
2) MODIS Lunar Calibration #223 is planned for Wednesday, October 25. The timeline for this activity will appear in next week's report.
  
The AIRS calibration tests mentioned in previous reports have not been scheduled yet and will likely start in November or December.

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William Mathews  - AIRS Instrument Operations  
NASA / Jet Propulsion Laboratory