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NOAA-16, and NOAA-17,AVHRR Instrument ,Visible Calibration Coefficient Update , Implementation Date 10 May 2005 Issued: Date issued 02

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Subject: NOAA-16, and NOAA-17,AVHRR Instrument ,Visible Calibration Coefficient Update , Implementation Date 10 May 2005 Issued: Date issued 02
May 2005; time issued 1554 UTC
Resent-From: nesdis.osdpd.ipd.Level-1B.notices@noaa.gov,
nesdis.osdpd.ipd.contractors@noaa.gov

Topic:
Update to visible calibration coefficients for NOAA-16, and NOAA-17 for
May 2005

Date/Time(UTC) Message Issued:
02 May 2005/1554 UTC

Satellite(s) Involved:
NOAA-16, and NOAA-17

Instrument(s) Involved:
AVHRR

Product(s) Involved/Affected:
All products using channels 1 and 2 for NOAA-16

All products using channels 1,2, and 3 for NOAA-17

Date/Time(UTC) of Initial Implementation:
TBA

Details/Specifics of Change:
The following update of the calibration coefficients are recommended for:

NOAA-16 AVHRR

Ch_1_lo = 0.05378*count - 2.073, count<498.96
Ch_1_hi = 0.1570*count - 53.34, count>498.96

Ch_2_lo = 0.05780*count - 2.183, count<500.16
Ch_2_hi = 0.1703*count - 58.45, count>500.16

NOAA-17 AVHRR

Ch_1_lo = 0.05486*count - 2.195, count<501.12
Ch_1_hi = 0.1611*count - 55.41, count>501.12

Ch_2_lo = 0.06621*count - 2.600, count<500.73
Ch_2_hi = 0.1971*count - 68.24, count>500.73

Ch_3_lo = 0.03147*count - 1.327, count<501.37
Ch_3_hi = 0.2206*count - 96.31, count>501.37

on May 10. These coefficients are intended to be optimal on May 28, in
the middle of the two scheduled updates.

Contact Person(s) Name/Email/Phone Number for Questions:
Cecil Paris
Physical Scientist
301-457-5247 ext 129
cecil.paris@noaa.gov

Emily Harrod
Physical Scientist
301-457-5247 ext 117
emily.harrod@noaa.gov

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

--
*******************************************
*
* Emily D. Harrod
* NOAA/NESDIS/OSDPD/IPD
* Product Systems Branch
* Pre-Product Processing Group
* E/SP13, Federal Building #4, room 0318
* 5200 Auth Road
* Suitland, Maryland 20746-4304
* USA
* voice 301-457-5247 ext 117
* fax 301-457-5199
* email Emily.Harrod@noaa.gov
*


ppp@nesdis.noaa.gov

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