NOAA Office of Satellite and Product Operations

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NOAA 11 AVHRR Subsystem Summary

Component Description Status
BASEPLATEAVHRR baseplateGreen
CHANNEL 1Spectral Channel #1, 0.58 - 0.68 micro metersGreen
CHANNEL 2Spectral Channel #2, 0.725 - 1.0 micro metersGreen
CHANNEL 3Spectral Channel #3, 3.55 - 3.93 micro metersGreen
CHANNEL 4Spectral Channel #4, 10.3 - 11.3 micro metersGreen
CHANNEL 5Spectral Channel #5, 11.5 - 12.5 micro metersGreen
ELECTRONICSAVHRR ElectronicsGreen
OPTICSAVHRR Optical mirrors and telescopesYellow
PSUPower Supply UnitGreen
RADIANT COOLERAVHRR Radiant CoolerGreen
SCAN MOTORAVHRR Scan MotorRed


Subsystem History:

Date Time Component Description
09/13/1994SCAN MOTORMotor current increased and black body channels no longer operating within normal limits
05/09/1991SCAN MOTORAVHRR experienced three re-syncs, increase in motor current and noise in channel 3.
08/01/1989OPTICSBetween latitudes 70 and 80 degrees, sun glint caused channel 3 black body temperature errors.
09/24/198810:36:00PSUOn Orbit
09/24/198810:36:00SCAN MOTOROn Orbit
09/24/198810:36:00ELECTRONICSOn Orbit
09/24/198810:36:00RADIANT COOLEROn Orbit
09/24/198810:36:00OPTICSOn Orbit
09/24/198810:36:00BASEPLATEOn Orbit
09/24/198810:36:00CHANNEL 1On Orbit
09/24/198810:36:00CHANNEL 2On Orbit
09/24/198810:36:00CHANNEL 3On Orbit
09/24/198810:36:00CHANNEL 4On Orbit
09/24/198810:36:00CHANNEL 5On Orbit