20060808: AVHRR

• To: nws-changes@xxxxxxxxxxxxxxxx
• Subject: 20060808: AVHRR
• From: Linda Miller <lmiller@xxxxxxxxxxxxxxxx>
• Date: Tue, 08 Aug 2006 13:40:04 -0600

Subject:

From:
Cecil Paris <Cecil.Paris@xxxxxxxx>
Date:
Tue, 08 Aug 2006 14:58:57 -0400

To:
undisclosed-recipients: ;


*Topic*:
 Visible calibration coefficient updates for August 2006; AVHRR Instrument

*Date/Time(UTC) Message Issued:*
  8 August 2006 18:50 UTC

*Satellite(s) Involved:*
  NOAA-16,17,and 18

*Instrument(s) Involved:*
  AVHRR Instrument

*Product(s) Involved/Affected:*

All products using channels 1, and 2 on NOAA-16

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

All products using channels 1, and 2 on NOAA-18

*Date/Time(UTC) of Initial Implementation:*
 8 August 2006 15:50 UTC

*Details/Specifics of Change:*

T*he following update of the calibration coefficients are recommended for:

NOAA-16 AVHRR

Ch_1_lo = 0.05458*count -  2.104, count<498.96
Ch_1_hi =  0.1593*count -  54.14, count>498.96


Ch_2_lo = 0.05897*count -  2.228, count<500.16
Ch_2_hi =  0.1738*count -  59.63, count>500.16


NOAA-17 AVHRR

Ch_1_lo = 0.05523*count -  2.211, count<501.12
Ch_1_hi =  0.1622*count -  55.79, count>501.12


Ch_2_lo = 0.06654*count -  2.613, count<500.73
Ch_2_hi =  0.1981*count -  68.58, count>500.73


Ch_3_lo = 0.03200*count -  1.349, count<501.37
Ch_3_hi =  0.2243*count -  97.92, count>501.37


NOAA-18 AVHRR

Ch_1_lo = 0.05171*count -  2.039, count<501.00
Ch_1_hi =  0.1542*count -  53.02, count>501.00


Ch_2_lo = 0.05862*count -  2.309, count<500.00
Ch_2_hi =  0.1759*count -  61.28, count>500.00


on August  8. These coefficients are intended to be optimal on August
26, in the middle of the two scheduled updates.*

*

* The first orbits processed with the updates are:
*

* * NSS.HRPT.NL.D06220.S1552.E1559.B3029999.GC
NSS.GHRR.NL.D06220.S1358.E1552.B3029899.GC

NSS.HRPT.NM.D06220.S1631.E1645.B2142525.WI
NSS.GHRR.NM.D06220.S1445.E1631.B2142425.WI
NSS.LHRR.NM.D06220.S1121.E1133.B2142222.WI

NSS.GHRR.NN.D06220.S1316.E1503.B0627677.GC
NSS.HRPT.NN.D06220.S1645.E1656.B0627878.GC *
NSS.LHRR.NN.D06220.S1622.E1628.B0627878.GC *

*Contact Person(s) Name/Email/Phone Number for Questions:*

Xiangqian Wu, Ph. D.
Physical Scientist, Sensor Physics Branch
Satellite Meteorology and Climatology Division
Center for Satellite Applications and Research (STAR)
National Environmental Satellite, Data, and Information Service (NESDIS)
National Oceanic and Atmospheric Administration (NOAA)
E/RA2, Office 7214, 5200 Auth Rd.
Camp Springs, MD 20746-4304
Phone:    301-763-8136 ext. 138
FAX:    301-763-8580
Xiangqian.Wu@xxxxxxxx


Cecil A. Paris,PMP
Physical Scientist
301-457-5247 ext 129
cecil.paris@xxxxxxxx


*Web site(s) that contain other relevant information (where applicable):*

   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@xxxxxxxx
*
*******************************************

--
Linda Miller - lmiller@xxxxxxxxxxxxxxxx
Community Services, Unidata
University Corporation for Atmospheric Research
P.O. Box 3000
Boulder, CO 80307-3000

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