Topic:
Gross filter limit update
Date/Time(UTC) Message Issued:
21 October 2008, 1930 UTC
Satellite(s) Involved:
NOAA-16, 17, 18, & MetOp-2/A
Instrument(s) Involved:
AMSU-A
Product(s) Involved/Affected:
All Products using AMSU-A channel 8, 9, 10, 11, 13, and 15/no impact
Date/Time(UTC) of Initial Implementation:
21 October 2008, Time 1713 UTC
Details/Specifics of Change:
On October 21 around 1713 UTC, NOAA updated the Space cold target (space view)and warm target gross filter limits in an effort to avoid loss of useful data. The following AMSU-A gross limits were updated:
A. Cold limits:
Ch 11 : increase the upper limit to 18000
Ch 13 : increase the upper limit to 18000
Ch 15 : increase the upper limit to 18000
B. Warm limits:
Ch 8 : increase the upper limit to 19000
Ch 9 : increase the upper limit to 19000
Ch 10 : increase the upper limit to 19000
Ch 15 : increase the upper limit to 19000
The first orbits processed after the change are:
NSS.HRPT.NL.D08295.S1740.E1754.B4166464.GC
NSS.GHRR.NL.D08295.S1553.E1739.B4166364.GC
Contact Person(s) Name/Email/Phone Number for Questions:
Emily Harrod Emily.Harrod@noaa.gov 301-817-3882 operations support
Tsan Mo Tsan.Mo@noaa.gov 301-763-8136 x 137 AMSU-A instrument scientist
Web site(s) that contain other relevant information (where applicable):
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
http://www.oso.noaa.gov/poes/index.htm - SOCC polar satellite status