Subject: NOAA-16 and 17, AVHRR Instrument, Vis-Cal updates, Implementation Date 23 August 2005 - Issued: Date 23 August 2005; time issued 1915 UTC
*Topic*:
Update to visible calibration coefficients for August 2005
*Date/Time(UTC) Message Issued:*
23 August 2005 1915 UTC
*Satellite(s) Involved:*
NOAA-16, and NOAA-17
*Instrument(s) Involved:*
AVHRR
*Product(s) Involved/Affected:*
All products using AVHRR channels 1, and 2 on NOAA-16
All products using AVHRR channels 1,2,and 3a on NOAA-17
*Date/Time(UTC) of Initial Implementation:*
23 August 2005/1655 UTC
*Details/Specifics of Change:*
The following update of the calibration coefficients was performed on August 23, 2005 at 1655 UTC. No update occurred on the regularly scheduled date of August 9.
The first orbits processed after the update are:
NSS.GHRR.NL.D05235.S1615.E1747.B2535960.WI
NSS.LHRR.NL.D05235.S1729.E1740.B2535959.WI
NSS.HRPT.NL.D05235.S1748.E1759.B2536060.WI
NSS.GHRR.NM.D05235.S1515.E1701.B1644445.WI
NSS.HRPT.NM.D05235.S1702.E1714.B1644545.WI
NOAA-16 AVHRR
Ch_1_lo = 0.05389*count - 2.078, count<498.96
Ch_1_hi = 0.1573*count - 53.46, count>498.96
Ch_2_lo = 0.05798*count - 2.190, count<500.16
Ch_2_hi = 0.1708*count - 58.63, count>500.16
NOAA-17 AVHRR
Ch_1_lo = 0.05477*count - 2.192, count<501.12
Ch_1_hi = 0.1608*count - 55.32, count>501.12
Ch_2_lo = 0.06655*count - 2.613, count<500.73
Ch_2_hi = 0.1981*count - 68.59, count>500.73
Ch_3_lo = 0.03164*count - 1.334, count<501.37
Ch_3_hi = 0.2218*count - 96.84, count>501.37
These coefficients are intended to be optimal on August 27.
*Contact Person(s) Name/Email/Phone Number for Questions:*
*Xiangqian Wu, Ph. D.
Physical Scientist, NOAA/NESDIS/ORA
E/RA2, Office 7214, 5200 Auth Rd.
Camp Springs, MD 20746-4304
Phone: 301-763-8136 ext. 138
FAX: 301-763-8580*
Xiangqian.Wu@noaa.gov
*Cecil Paris
Physical Scientist
301-457-5247 ext 129
cecil.paris@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
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*
* 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
*
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