NOAA Office of Satellite and Product Operations

Please Note:  

Update 7/10/2020: GOES-15 supplemental operations will begin on Sunday, August 9, 2020 at 0000 UTC and continue through Thursday, September 3, 2020 1600 UTC. See notification for more details.

To view imagery from the operational GOES East (GOES-16) and GOES West (GOES-17) satellites, users may visit

NOAA 18 AVHRR Subsystem Summary

Component Description Status
CHANNEL 1Spectral channel #1, 0.58-0.68 micro meters. Green
CHANNEL 2Spectral channel #2, 0.725-1.0 micro meters. Green
CHANNEL 3ASpectral channel #3A, 1.58-1.64 micro meters. Green
CHANNEL 3BSpectral channel #3B, 3.55-3.93 micro meters. Green
CHANNEL 4Spectral channel #4, 10.3-11.3 micro meters. Green
CHANNEL 5Spectral channel #5, 11.5-12.5 micro meters. Green
OPTICSAVHRR Optical mirrors and telescopesGreen
PSUPower Supply UnitGreen

Subsystem History:

Date Time Component Description
08/11/200514:41:00CHANNEL 4Select AVHRR channel 4 for APT channel B. All other MIRP settings will remain the same.
08/11/200514:40:00CHANNEL 2Select AVHRR channel 2 for APT channel A
08/05/200514:02:00 Disable automatic Channel 3A/3B switch on non-control CPU
08/05/200514:01:00 Disable automatic Channel 3A/3B switching on control CPU
08/05/200514:00:00 Select AVHRR channel 3B
06/23/200517:51:00 Enable 3A/3B switching on non-control CPU
06/23/200517:50:00 Enable 3A/3B switching on control OBP
06/05/200514:32:00CHANNEL 5IR channel 5 turnon (imagery nominal). AVHRR OV operations complete. Subsystem fully operational.
06/05/200514:31:00CHANNEL 4IR channel 4 turnon (imagery nominal)
06/05/200514:30:00CHANNEL 3BIR channel 3B turnon (imagery nominal)
06/04/200519:11:00RADIANT COOLERAVHRR cooler turnoff
05/20/200515:14:00CHANNEL 1First AVHRR image produced (channel 1 HRPT data) nominal quality.
05/20/200515:10:20CHANNEL 3ATurned on
05/20/200515:10:10CHANNEL 2Turned on
05/20/200515:10:00CHANNEL 1Turned on
05/20/200515:09:50SCAN MOTORPowered on
05/20/200515:09:40RADIANT COOLERTurned on
05/20/200515:09:30PSUTurned on
05/20/200515:09:10OPTICSTurned on
05/20/200515:09:00 AVHRR turned on (Channels 1, 2 and 3A only). HRPT Imagery recieved nominally.
05/20/200515:09:00ELECTRONICSPowered on
05/20/200511:50:00BASEPLATEon orbit