Topic:
Changing the SEM TED high voltage levels to correct instrument output
Date/Time(UTC) Message Issued:
31 January 2003; 1930 UTC
Satellite(s) Involved:
NOAA-16, -17
Instrument(s) Involved:
SEM
Product(s) Involved/Affected:
All
Date/Time(UTC) of Initial Implementation:
4 February 2003/1825 UTC
Details/Specifics of Change:
SOCC issued the following information bulletin:
The SEMs on NOAA-16 and 17 are not working properly because the gain is too
low. Therefore, on February 4, 2003 (J-35) the SEM TED electron and proton
CDEM high voltages will be reset from Level 0 to Level 2. After this is
done regularly scheduled IFC's will follow. Listed below are the dates and
times for the commanding:
J-35 18:25Z N-16 level changes executed
21:00Z N-17 level changes executed
J-36 06:13Z N-16 TED IFC executed
J-37 06:19Z N-17 TED IFC executed
Contact Person(s) Name/Email/Phone Number for Questions:
Emily.Harrod@noaa.gov/301-457-5247 ext. 117
Web site(s) that contain other relevant information (where applicable):
http://www.oso.noaa.gov/daily-news/index.htm - SOCC morning reports
http://www.osdpd.noaa.gov/PSB/PPP/PPP.html - History of level 1B
notices
http://www.ssd.noaa.gov/PS/SATS/messages.html - All user notices