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 https://www.star.nesdis.noaa.gov/goes/.

NOAA 18 SEM Subsystem Summary

Component Description Status
DPUSpace environment Monitor - Data Processing UnitGreen
MEPEDSpace environment Monitor - Medium Energy Proton DetectorGreen
TEDSpace environment Monitor - Total Energy DetectorGreen


Subsystem History:

Date Time Component Description
02/03/201516:02:29TEDSet SEM TED proton bias voltage to level 7
02/03/201516:01:09TEDSet SEM TED electron bias voltage to level 7
03/13/201417:33:21TEDSet SEM TED proton bias voltage to level 6
03/13/201417:32:04TEDSet SEM TED electron bias voltage to level 6
08/27/201317:33:46TEDSet SEM TED electron bias voltage to level 5
08/27/201317:32:27TEDSet SEM TED proton bias voltage to level 5
11/13/201217:37:02TEDSET SEM TED ELECTRON LEVEL TO LVL4
11/13/201217:35:53TEDSET SEM TED PROTON LEVEL TO LVL4
01/26/201214:49:00TEDSET SEM TED ELECTRON LEVEL TO LVL 3
04/22/201016:00:00TEDSET SEM TED PROTON LEVEL TO LVL 3
04/12/200906:44:10TEDSEM TED Electron CDEM High Voltage On
04/12/200906:42:01TEDSEM TED Proton CDEM High Voltage On
04/12/200903:08:10TEDSEM TED Electron CDEM High Voltage Off
04/12/200903:07:05TEDSEM TED Proton CDEM High Voltage Off
03/06/200919:36:46TEDSet SEM TED Proton CDEM Level to 2
01/11/200814:15:56TEDChange SEM TED Proton high voltage level to 1
09/20/200713:39:00TEDSet SEM TED ECDEM Level to 2 (from level 1)
06/27/200617:00:00TEDSet TED ECDEM to Level 1 (from level 0)
06/06/200522:20:00TEDTED IFC calibration on.
06/06/200520:43:00TEDTED proton CDEM high voltage turned on.
06/06/200520:41:00TEDTED electron CDEM high voltage turned on
06/06/200518:49:00TEDTED sweep voltage turnon
06/06/200518:48:00 SEM IFC calibration turned on.
06/06/200517:11:00MEPEDMEPED SSD bias voltage turned on
06/06/200517:10:00MEPEDSEM MEPED low voltage turnon
06/06/200515:45:00 SEM microprocessor-A watchdog reset
06/06/200515:43:00TEDSEM TED low voltage power on
06/06/200514:09:00DPUSEM DPU-A power on
06/06/200514:08:00 SEM turnon. Activate microprocessor-A