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NOAA-16, AVHRR, Instrument Resynch, Implementation Date: 27 April 2004- Issued: Date issued 27 April 2004 time issued 13:25 UTC

From:
9:23 AM
Subject: NOAA-16, AVHRR, Instrument Resynch, Implementation Date: 27 April 2004- Issued: Date issued 27 April 2004 time issued 13:25 UTC
Resent-From: nesdis.osdpd.ipd.Level-1B.notices@noaa.gov,
nesdis.osdpd.ipd.contractors@noaa.gov

Topic:
AVHRR Resynch to remove barcodes

Date/Time(UTC) Message Issued:
27 April 2004 13:25 UTC

Satellite(s) Involved:
NOAA-16

Instrument(s) Involved:
ALL

Product(s) Involved/Affected:
ALL/ Scan line dropout

Date/Time(UTC) of Initial Implementation:
27 April 2004, 16:30 UTC

Details/Specifics of Change:

SOCC has reported re-occurance of the barcode pattern in the AVHRR imagery
for NOAA-16. Once again a MIRP rephase will be required.. the rephase will
occur at the implementation time indicated above in this message..

Users will see scan line drop outs when the rephase occurs. Checking "bit
1: resync occurred on this frame" in the data record quality indicators will
tell you when the rephase occurs. "bit 29: data gap precedes this scan"
indicates the gap created by the rephase in the scanline after it occurs.

The MIRP rephase will affect all instruments. Users should see scan line
drop outs when the rephase occurs. Any user feedback on the improvement (or
lack of) in AVHRR imagery following the rephase would be greatly
appreciated.

Thank you for your support.

Contact Person(s) Name/Email/Phone Number for Questions:
Emily Harrod
emily.harrod@noaa.gov
30-457-5247 ext 117

Cecil Paris
cecil.paris@noaa.gov
301-457-5247 ext 129

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/poesstatus/ - SOCC polar satellites status
http://www.oso.noaa.gov/daily-news/index.htm - SOCC morning reports


ppp@nesdis.noaa.gov

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