Administrative: NOAA-16, 18, 19, & MetOp-A/2, AVHRR, Monthly Visible Calibration Update, 8 January 2013 - Issued: January 8, 2013 1422 UTC

Subject: Administrative: NOAA-16, 18, 19, & MetOp-A/2, AVHRR, Monthly Visible Calibration Update, 8 January 2013 - Issued: January 8, 2013 1422 UTC

Topic: Visible calibration update for month of January 2013

Date/Time Issued: January 8, 2013 14:22 UTC

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

Date/Time of Initial Impact: January 8, 2013 13:25 UTC

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

Length of Outage: N/A

Details/Specifics of Change:

On 8 January 2013 at approximately 13:25 UTC, the following update of the calibration coefficients was implemented in the level 1B processing for NOAA-16/18/19 and MetOp-A/2 for the month of January. These coefficients are intended to be optimal on 28 January, in the middle of the two scheduled updates.

NOAA-16 AVHRR
Ch_1_lo = 0.06002*count - 2.314, count<498.96
Ch_1_hi = 0.1752*count - 59.54, count>498.96
Ch_2_lo = 0.06687*count - 2.526, count<500.16
Ch_2_hi = 0.1970*count - 67.62, count>500.16

NOAA-18 AVHRR
Ch_1_lo = 0.05631*count - 2.220, count<501.54
Ch_1_hi = 0.1679*count - 57.74, count>501.54
Ch_2_lo = 0.06520*count - 2.569, count<500.40
Ch_2_hi = 0.1956*count - 68.16, count>500.40

NOAA-19 AVHRR
Ch_1_lo = 0.05179*count - 2.013, count<496.43
Ch_1_hi = 0.1528*count - 52.51, count>496.43
Ch_2_lo = 0.05881*count - 2.281, count<500.37
Ch_2_hi = 0.1752*count - 60.47, count>500.37

MetOp-A/2
Ch_1_lo = 0.05508*count - 2.227, count<501.01
Ch_1_hi = 0.1627*count - 56.17, count>501.01
Ch_2_lo = 0.06600*count - 2.623, count<500.42
Ch_2_hi = 0.1960*count - 67.69, count>500.42
Ch_3_lo = 0.03299*count - 1.356, count<501.94
Ch_3_hi = 0.2291*count - 99.80, count>501.94

For NL/NN/NP, the first orbits processed were:

NSS.HRPT.NL.D13008.S1221.E1230.B6340303.WI
NSS.GHRR.NL.D13008.S1022.E1217.B6340203.WI

NSS.HRPT.NN.D13008.S1314.E1327.B3935353.GC
NSS.GHRR.NN.D13008.S1139.E1313.B3935253.GC

NSS.HRPT.NP.D13008.S1249.E1303.B2019797.GC
NSS.GHRR.NP.D13008.S1050.E1245.B2019697.GC
NSS.LHRR.NP.D13008.S1231.E1243.B2019797.GC

For MetOp-A/2, the first orbit processed was the one running after orbit:

NCS.FRAC.M2.D13008.S1115.E____.B32289__.MM

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 301-763-8136 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
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 and/or other contacts as necessary

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