From:
5:04 PM
Subject: NOAA-15, 16, and 17; Spacecraft Clock Updates Amendment, 10 June 2003 - Issued: 9 June 2003; 2110 UTC
Resent-From: nesdis.osdpd.ipd.Level-1B.notices@noaa.gov,
nesdis.osdpd.ipd.contractors@noaa.gov
Topic:
Clock Drift Error Correction (Amendment)
Date/Time(UTC) Message Issued:
9 June 2003, 2110 UTC
Satellite(s) Involved:
NOAA-14, 15, 16, 17
Instrument(s) Involved:
All
Product(s) Involved/Affected:
All products/Improved timing
Date/Time(UTC) of Initial Implementation:
10 June 2003, Time 2359 UTC
Details/Specifics of Change:
The previous notice contained the wrong values for "average daily drift".
Below if the previous message with those values corrected:
SOCC has announced that on June 10, the elapsed time clocks for NOAA-14, 15,
16, and 17 will be updated to compensate for clock drift. The corrections
for each satellite are as indicated in the table below (all values are in
milliseconds).
APPROXIMATE SCHEDULED APPROXIMATE
SPACECRAFT CURRENT AVERAGE CLOCK UPDATE OFFSET AFTER
OFFSET DAILY DRIFT VALUE UPDATE
NOAA-14 72 ms +0.84 ms -150 ms -70 ms
NOAA-15 -53 ms -0.09 ms +100 ms +45 ms
NOAA-16 62 ms +0.31 ms -100 ms -35 ms
NOAA-17 66 ms +0.54 ms -100 ms -30 ms
Contact Person(s) Name/Email/Phone Number for Questions:
Emily.Harrod@noaa.gov/301-457-5247 ext. 117
Cecil.Paris@noaa.gov/301-457-5247 ext. 129
Web site(s) that contain other relevant information (where applicable):
http://noaasis.noaa.gov/NOAASIS/ml/gateway.html (under "Satellite ...
Calibration")
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/poesstatus/ - SOCC polar satellites status
http://www.oso.noaa.gov/daily-news/index.htm - SOCC morning reports