NOAA Office of Satellite and Product Operations

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NOAA 19 SBUV Subsystem Summary

Component Description Status
CALIBRATORSolar Backscatter Ultraviolet Spectral Radiometer - CalibratorGreen
CHOPPER MOTORSolar Backscatter Ultraviolet Spectral Radiometer - Chopper MotorGreen
DIFFUSERSolar Backscatter Ultraviolet Spectral Radiometer - DiffuserGreen
ELECTRONICSInstrument electronics suiteGreen
FLEX MEMORYFlex memory portion of the SBUV processorGreen
GRATING DRIVESolar Backscatter Ultraviolet Spectral Radiometer - Grating DriveGreen
OPTICSOptical sub component suiteGreen


Subsystem History:

Date Time Component Description
12/16/201515:47:51FLEX MEMORYLoad Flex 2 Segment 1 memory for words 0-11 using alternating values of 230NM and 360NM
12/15/201519:02:27FLEX MEMORYRestore previous configurationLoad 335nm to Channel 12 for the Flex 1 Segment 0
12/15/201515:55:58FLEX MEMORYLoad 331nm to Channel 12 for the Flex 1 Segment 0
11/18/201415:24:43FLEX MEMORYModify Flex 1 memory segment 0 position 11 to a GPOS value of -908, 335nm
10/15/201414:55:19FLEX MEMORYModify Flex 1 memory segment 0 position 11 to a GPOS value of -1020
10/15/201413:14:58FLEX MEMORYModify Flex 1 memory segment 0 position 11 to a GPOS value of -908
09/23/201415:38:56FLEX MEMORYModify Flex 1 memory segment 0 position 11 to a GPOS value of -1020; 343nm
09/23/201413:56:29FLEX MEMORYModify Flex 1 memory segment 0 position 11 to a GPOS value of -908, 335nm
09/17/201416:47:00 Add sequence of discrete solar measurements at Mg II wavelengths to SBUV routine operations; will execute daily on orbit 9, one minute after the Northern Hemisphere terminator crossing
09/17/2014 Remove solar measurment sweep mode sequence from SBUV routine operations
09/04/201415:40:57FLEX MEMORYModify Flex 1 memory segment 0 position 11 to a GPOS value of -1020
09/04/201413:56:45FLEX MEMORYModify Flex 1 memory segment 0 position 11 to a GPOS value of -908
08/13/201314:11:41FLEX MEMORYChange Channel 12 wavelength to 343 nm (GPOS -1020)
06/25/201317:43:29 Change Channel 12 wavelength to 340 nm (GPOS -976)
06/25/201313:00:27 Change Channel 12 wavelength to 343 nm (GPOS -1020)
12/06/201121:25:16GRATING DRIVEGrating Position 12 set to GPOS -976
12/06/201114:48:12GRATING DRIVEGrating Position 12 set to GPOS -1020
10/11/201121:10:47GRATING DRIVEModifying Flex 1, Segment 0, Position B to GPOS -976 (nominal value)
10/11/201114:33:23GRATING DRIVEModifying Flex 1, Segment 0, Position B to GPOS -972
09/19/201121:46:36GRATING DRIVEUploading Giant-Step procedure to Spare Flex 2 Memory
09/19/201120:03:02GRATING DRIVEModifying Position B to GPOS= = -976 (nominal)
09/19/201113:26:05GRATING DRIVEModifying Position B to GPOS= = -980
06/27/201112:00:00DIFFUSERGrating Postion 12 is no longer consistently reaching its programmed location (nominally -976) - 1-2 count out of positioning is occurring.
09/14/201015:36:54FLEX MEMORYSets word 14 of segment 1 to 912 (200.0 nm)
09/14/201015:36:02FLEX MEMORYSets word 14 of sement 0 to -1524 (378.6 nm)
04/09/201014:20:16DIFFUSERThe daily Discrete Solar calibration moved the Diffuser following the opening of the Lamp Door. The Diffuser is now operating nominally.
04/09/201014:18:38CALIBRATORThe SBUV Calibration Lamp Door was successfully opened. Commanding of the mechanism will be removed from the daily stored command tables until a better understanding of the anomaly is assessed.
04/09/201014:18:37CALIBRATORSBUV Lamp Door to Open
04/09/201014:18:04CALIBRATORSBUV Lamp Door to Close
04/08/201021:06:31 SBUV Lamp Door to Open - Commanding failed, Door still closed
04/07/201006:54:00DIFFUSERThe SBUV Diffuser failed to open following the Wavelength Calibration on 4/7/2010 at 06:16-06:54 UTC. No Earth View Data available after this point in time.
04/07/201006:54:00CALIBRATORThe SBUV Lamp Door failed to open following the Wavelength Calibration on 4/7/2010 at 06:16-06:54 UTC. No Earth View Data available after this point in time.
07/20/200920:46:51FLEX MEMORYLoad Mg II Wavelengths to SBUV Flex 1 Segment 1 Memory Words 11-14
07/20/200919:02:32FLEX MEMORYLoad Mg II Wavelengths to SBUV Flex 1 Segment 1 Memory Words 0-10
06/25/200918:10:28 SBUV Range 3 To Anode
06/24/200918:15:22 SBUV Range 3 To Cathode
02/23/200913:57:00OPTICSSBUV Lamp Assembly ON
02/20/200916:11:00ELECTRONICSSBUV Range 3 Anode Mode Selected
02/13/200917:25:00ELECTRONICSSBUV Initial Power ON sequence
02/13/200917:25:00CALIBRATORSBUV Initial Power ON sequence
02/13/200917:25:00CHOPPER MOTORSBUV Initial Power ON sequence
02/13/200917:25:00DIFFUSERSBUV Initial Power ON sequence
02/13/200917:25:00FLEX MEMORYSBUV Initial Power ON sequence
02/13/200917:25:00GRATING DRIVESBUV Initial Power ON sequence
02/13/200917:25:00OPTICSSBUV Initial Power ON sequence
02/13/200917:25:00ELECTRONICSSBUV High Voltage ON