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Administrative, NOAA-16, 17, 18, 19, & MetOp-2/A, AVHRR, Monthly Visible Calibration Update, 10 November 2009 - Issued: 10 November 2009 1700 UTC

Topic:
Visible calibration update for month of November 2009

Date/Time(UTC) Message Issued:
10 November 2009, 1700 UTC

Satellite(s) Involved:
NOAA-16, 17, 18, 19, & MetOp-2/A

Instrument(s) Involved:
AVHRR

Product(s) Involved/Affected:
All Products from channels 1, 2, and 3a.

Date/Time(UTC) of Initial Implementation:
10 November 2009, Time 1230 UTC

Details/Specifics of Change:
On 10 November 2009 at approximately 1230 UTC, the AVHRR visible calibration coefficients for the month of November were updated in the level 1B processing.
For NL/NM/NN/NP, the first orbits processed will be:

NSS.HRPT.NL.D09314.S1227.E1241.B4709696.MI
NSS.GHRR.NL.D09314.S1036.E1222.B4709596.WI

NSS.GHRR.NM.D09314.S0835.E1030.B3835657.WI
NSS.HRPT.NM.D09314.S1545.E1558.B3836060.WI

NSS.HRPT.NN.D09314.S1254.E1308.B2305959.GC
NSS.GHRR.NN.D09314.S1106.E1253.B2305859.GC

NSS.GHRR.NP.D09314.S0941.E1128.B0390506.GC
NSS.LHRR.NP.D09314.S1116.E1120.B0390606.GC
NSS.HRPT.NP.D09314.S1310.E1324.B0390707.GC

For M2, the first orbit processed will be the one running after orbit:
NCS.FRAC.M2.D09314.S0932.E1113.B1587980.SV

******************* Original Message ***********************************************************

The following update of the calibration coefficients are recommended for NOAA-16/17/18/19, METOP-A/2 on November 10. These coefficients are intended to be optimal on November 24, in the middle of the two scheduled updates.

***************************************************************************************************
NOAA-16 AVHRR

Ch_1_lo = 0.05744*count - 2.215, count<498.96
Ch_1_hi = 0.1677*count - 56.98, count>498.96

Ch_2_lo = 0.06298*count - 2.379, count<500.16
Ch_2_hi = 0.1855*count - 63.68, count>500.16
*****************************************************************************************************
NOAA-17 AVHRR

Ch_1_lo = 0.05672*count - 2.270, count<501.12
Ch_1_hi = 0.1665*count - 57.29, count>501.12

Ch_2_lo = 0.06834*count - 2.683, count<500.73
Ch_2_hi = 0.2034*count - 70.43, count>500.73

Ch_3_lo = 0.03326*count - 1.402, count<501.37
Ch_3_hi = 0.2332*count - 101.81, count>501.37
*******************************************************************************************************
NOAA-18 AVHRR

Ch_1_lo = 0.05400*count - 2.129, count<501.54
Ch_1_hi = 0.1610*count - 55.37, count>501.54

Ch_2_lo = 0.06212*count - 2.447, count<500.40
Ch_2_hi = 0.1864*count - 64.94, count>500.40
*********************************************************************************************************
NOAA-19 AVHRR

Ch_1_lo = 0.05134*count - 1.996, count<496.43
Ch_1_hi = 0.1515*count - 52.06, count>496.43

Ch_2_lo = 0.06033*count - 2.340, count<500.37
Ch_2_hi = 0.17969*count - 62.04, count>500.37
**********************************************************************************************************
Metop-A/2

Ch_1_lo = 0.05377*count - 2.174, count<501.01
Ch_1_hi = 0.1589*count - 54.84, count>501.01

Ch_2_lo = 0.06355*count - 2.526, count<500.42
Ch_2_hi = 0.1888*count - 65.18, count>500.42

Ch_3_lo = 0.03217*count - 1.322, count<501.94
Ch_3_hi = 0.2234*count - 97.33, count>501.94
*************************************************************************************************************

Contact Person(s) Name/Email/Phone Number for Questions:
Vince Tabor Vincent.Tabor@noaa.gov 301-817-4552 operations support
Xiangqian Wu Xiangqian.Wu@noaa.gov 301-763-8136 x 138 instrument scientist

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


ppp@nesdis.noaa.gov

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