NOAA Office of Satellite and Product Operations


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NOAA 16 SBUV Subsystem Summary

Component Status:

CALIBRATORSolar Backscatter Ultraviolet Spectral Radiometer - CalibratorGreen
CHOPPER MOTORSolar Backscatter Ultraviolet Spectral Radiometer - Chopper MotorGreen
DIFFUSERSolar Backscatter Ultraviolet Spectral Radiometer - DiffuserYellow
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
12/13/201214:22:22FLEX MEMORYModified Flex 1 Segment 3 Words 0 through 11 of SBUV memory. This memory modification is in preparation of the calibration being executed Tuesday, December 18, 2012.
09/14/201013:42:27FLEX MEMORYSets word 14 of sement 0 to -1280 (378.6 nm)
10/11/200423:59:00 Execute SOMS proc 16SB3DS on rev 8 starting 1 minute prior to Northern Hemisphere terminator. First day of implementation 9/5/04. Repeat this every day for 4 weeks.
08/19/200413:20:00FLEX MEMORYSBUV segment 3 memory load in preparation for special 4 week calibration test.
07/21/200417:00:00DIFFUSERSpecial diffuser test of 16 Jul 04 was NOT successful in correcting diffuser position problem.
07/16/200401:53:00DIFFUSERPerform SBUV solar sweep in attempt to correct diffuser position problem.
07/16/200401:51:00DIFFUSERSend SBUV diffuser to decontamination position to start diffuser correction test.
02/03/200416:00:00 SBUV downgraded to YELLOW status because ozone data quality is degraded and both diffuser encoders are anomalous.
01/29/200419:00:00 SBUV ozone profile data began showing increased data dropouts since early November 2003.
12/19/200319:05:00DIFFUSERSwitch SBUV diffuser encoder from backup to primary.
12/16/200300:00:00DIFFUSERSBUV backup diffuser displaying the same position errors that occured with the primary diffuser.
09/16/200320:05:00FLEX MEMORYSwitch to Flex memory segment 0
09/16/200318:20:00FLEX MEMORYSwitch to Flex memory segment 3
05/05/200300:00:00DIFFUSERSBUV solar diffuser deploying to an incorrect position by approxemately -0.35 degrees.
01/13/200319:10:00FLEX MEMORYSet Flex Mem-3 word-6 to grating position -610
01/13/200319:10:00GRATING DRIVENew grating position uploaded (from -1552, to -610) to Flex Memory 3, Word 6
01/11/200300:01:00GRATING DRIVEChange Flex Memory 3 configuration to test alternate wavelength sequences and improve range 3 noise profile
01/11/200300:01:00FLEX MEMORYUpload flex memory 3 with a new segment 2.
10/29/200200:01:00 Remove SBUV discrete sweep measurement from weekly scheduling
10/25/200200:00:01FLEX MEMORYUplink reverse ozone wavelength positions to SBUV flex memory 2
09/30/200200:00:01FLEX MEMORYDiscrete solar measurement from flex memory 2
09/30/200200:00:00 Performed discrete solar measurements out of flex memory
09/25/200200:01:00 Uplink reverse ozone wavelength positions into memory 2
07/19/200200:00:00OPTICSErratic Range 3 measurements from the cathode of the PMT
05/30/200200:00:00 SBUV test to Flex Mode 3
05/30/200200:00:00 SBUV returned to nominal mode
05/24/200200:00:00 SBUV test via Stored Commands
05/23/200200:00:00 SBUV test via Stored Commands
05/07/200200:00:00 Upload SBUV test software
03/08/200100:00:00FLEX MEMORYSBUV to flex memory 0
03/06/200100:00:00FLEX MEMORYSBUV to flex memory 2
01/30/200100:00:00 SBUV testing complete
01/26/200100:00:00 Start SBUV testing for 4 days
01/05/200100:00:00 SBUV activation tests complete
01/03/200100:00:00 SBUV activation tests for 48 hours
09/21/200010:56:00ELECTRONICSOn Orbit
09/21/200010:56:00FLEX MEMORYOn Orbit
09/21/200010:56:00CALIBRATOROn Orbit
09/21/200010:56:00DIFFUSEROn Orbit
09/21/200010:56:00CHOPPER MOTOROn Orbit
09/21/200010:56:00GRATING DRIVEOn Orbit
09/21/200010:56:00OPTICSOn Orbit