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 15 SARR Subsystem Summary

Component Description Status
121 RECEIVERSearch and Rescue Repeater 121.5MHz ReceiverBlue
121/243 ANTENNA121/243 receive antennaGreen
243 RECEIVERSearch and Rescue Repeater 243 receiverRed
406 ANTENNA406 receive antennaGreen
406 RECEIVERSearch and Rescue Repeater 406MHz receiverGreen
PTCPower Temperature ConverterGreen
TRANSMITTERSearch and Rescue TransmitterGreen

Subsystem History:

Date Time Component Description
02/01/200912:00:00121 RECEIVERSARR 121 MHz receiver decommissioned as instructed by COSPAS-SARSAT International mandate.
12/13/200718:38:00406 RECEIVERThis CP will switch to side B receivers & converters as well as setting attenuators to 5 dB and 10 dB.
07/19/2001TRANSMITTERSARR switched from B to A side
05/30/200117:23:00121 RECEIVERSARR-B switched back to AGC mode
05/15/200119:45:00121 RECEIVERSARR switched from Fixed Gain to AGC mode
02/16/2001243 RECEIVERSAR 243 Mhz (A&B) intermittent failures)
05/13/199816:24:00121 RECEIVEROn Orbit
05/13/199816:24:00243 RECEIVEROn Orbit
05/13/199816:24:00406 RECEIVEROn Orbit
05/13/199816:24:00121/243 ANTENNAOn Orbit
05/13/199816:24:00406 ANTENNAOn Orbit
05/13/199816:24:00TRANSMITTEROn Orbit
05/13/199816:24:00PTCOn Orbit