NOAA-16 - AMSU-A1 Oscillator Problem Continues, 25 November 2002 - Issued: 25 November 2002; 2300 UTC

Local Oscillator toggle to correct problem ineffective

Date/Time(UTC) Message Issued:
25 November 2002; 2300 UTC

Satellite(s) Involved:

Instrument(s) Involved:

Product(s) Involved/Affected:
All data users

Date/Time(UTC) of Initial Implementation:
21 November 2002 1550 UTC

Details/Specifics of Change:
Attempts to reset the oscillator by toggling between the redundant (PLLO#2)
and primary (PLLO#1) oscillators were not successful. NOAA will continue to
investigate the problem. A meeting to determine further action is scheduled
for tomorrow. We will continue to operate using the redundant oscillator
(PLLO#2). Users will be informed of any new developments.

Contact Person(s) Name/Email/Phone Number for Questions: ext. 117

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