Administrative: NOAA-16, 18, 19, MetOp-A/2 & MetOp-B/1, AVHRR, Monthly Visible Calibration Update, 9 April 2013 - Issued: April 9, 2013 1615 UTC

Topic: Visible calibration update for month of April 2013

Date/Time Issued: April 9, 2013 16:15 UTC

Product(s) or Data Impacted: All products from channels 1, 2, and 3a

Date/Time of Initial Impact: April 9, 2013 12:07 UTC

Date/Time of Expected End: Until Next Month's Coefficient Update

Length of Outage: N/A

Details/Specifics of Change:

On 9 April 2013 at approximately 12:07 UTC, the following update of the calibration coefficients was implemented in the level 1B processing for NOAA-16, NOAA-18, NOAA-19, MetOp-A/2 and MetOp-B/1 for the month of April. These coefficients are intended to be optimal on April 27, in the middle of the two scheduled updates.

------------------------------

MetOp-B

Ch_1_lo=0.05166*count -2.034, count< 500.62
Ch_1_lo=0.15304*count -52.792, count< 500.62

Ch_2_lo=0.05664*count -2.287, count< 503.00
Ch_2_lo=0.16685*count -57.723, count< 503.00

Ch_3_lo=0.02911*count -1.223, count< 500.85
Ch_3_lo=0.20274*count -88.184, count< 500.85
-----------------------------------------------------------------------
Metop-A/2

Ch_1_lo = 0.05521*count - 2.232, count<501.01
Ch_1_hi = 0.1631*count - 56.31, count>501.01

Ch_2_lo = 0.06622*count - 2.632, count<500.42
Ch_2_hi = 0.1967*count - 67.91, count>500.42

Ch_3_lo = 0.03309*count - 1.360, count<501.94
Ch_3_hi = 0.2298*count - 100.11, count>501.94
-----------------------------------------------------------------------

NOAA-19 AVHRR

Ch_1_lo = 0.05187*count - 2.016, count<496.43
Ch_1_hi = 0.1530*count - 52.59, count>496.43

Ch_2_lo = 0.05882*count - 2.281, count<500.37
Ch_2_hi = 0.1752*count - 60.48, count>500.37
-----------------------------------------------------------------------
NOAA-18 AVHRR

Ch_1_lo = 0.05650*count - 2.228, count<501.54
Ch_1_hi = 0.1685*count - 57.93, count>501.54

Ch_2_lo = 0.06551*count - 2.581, count<500.40
Ch_2_hi = 0.1966*count - 68.49, count>500.40
------------------------------------------------------------------------

NOAA-16 AVHRR

Ch_1_lo = 0.06023*count - 2.322, count<498.96
Ch_1_hi = 0.1758*count - 59.75, count>498.96

Ch_2_lo = 0.06719*count - 2.538, count<500.16
Ch_2_hi = 0.1980*count - 67.95, count>500.16

----------------------------------------

For NL/NN/NP the first orbits processed are:

NSS.HRPT.NL.D13099.S1407.E1421.B6468989.MI
NSS.GHRR.NL.D13099.S1403.E1543.B6468990.WI

NSS.HRPT.NN.D13099.S1133.E1143.B4063636.GC
NSS.GHRR.NN.D13099.S0957.E1131.B4063536.GC

NSS.GHRR.NP.D13099.S0949.E1135.B2147980.GC
NSS.LHRR.NP.D13099.S0929.E0940.B2147979.GC
NSS.HRPT.NP.D13099.S1136.E1150.B2148080.GC

For M2 & M1 the first orbits processed will be the one running after orbit:

NCS.FRAC.M2.D13099.S1036.E____.B33581__.SV
NCS.FRAC.M1.D13099.S0905.E____.B02894__.SV

Contact Person(s) Name/Email/Phone Number for Questions:
Dejiang.Han Dejiang.Han@noaa.gov 301-817-4119 operations support
Xiangqian Wu Xiangqian.Wu@noaa.gov 301-683-3601 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
http://www.oso.noaa.gov/poes/index.htm - SOCC polar satellite status

Contact Information for Further Information: ESPC Operations at ESPCOperations@noaa.gov at 301-817-3880

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