NOAA Office of Satellite and Product Operations

Please Note:  

GOES-15 supplemental operations ended on March 2, 2020. The distribution of GOES-15 satellite products has been discontinued.

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