Administrative: NOAA-16, 18, 19, & MetOp-A/2, AVHRR, Monthly Visible Calibration Update, 13 November 2012 - Issued: November 13, 2012 1530 UTC

Subject: Administrative: NOAA-16, 18, 19, & MetOp-A/2, AVHRR, Monthly Visible Calibration Update, 13 November 2012 - Issued: November 13, 2012 1530 UTC

Topic: Visible calibration update for month of November 2012

Date/Time Issued: November 13, 2012 1530 UTC

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

Date/Time of Initial Impact: November 13, 2012 12:59 UTC

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

Length of Outage: N/A

Details/Specifics of Change:

On 13 November 2012 at approximately 12:59 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 November. These coefficients are intended to be optimal on 27 November, in the middle of the two scheduled updates.

NOAA-16 AVHRR
Ch_1_lo = 0.05988*count - 2.309, count<498.96
Ch_1_hi = 0.1748*count - 59.40, count>498.96
Ch_2_lo = 0.06666*count - 2.518, count<500.16
Ch_2_hi = 0.1964*count - 67.40, count>500.16

NOAA-18 AVHRR
Ch_1_lo = 0.05618*count - 2.215, count<501.54
Ch_1_hi = 0.1675*count - 57.60, count>501.54
Ch_2_lo = 0.06490*count - 2.557, count<500.40
Ch_2_hi = 0.1947*count - 67.85, count>500.40

NOAA-19 AVHRR
Ch_1_lo = 0.05166*count - 2.008, count<496.43
Ch_1_hi = 0.1524*count - 52.38, count>496.43

Ch_2_lo = 0.05864*count - 2.274, count<500.37
Ch_2_hi = 0.1747*count - 60.30, count>500.37

MetOp-A/2
Ch_1_lo = 0.05499*count - 2.223, count<501.01
Ch_1_hi = 0.1625*count - 56.08, count>501.01
Ch_2_lo = 0.06578*count - 2.615, count<500.42
Ch_2_hi = 0.1954*count - 67.47, count>500.42
Ch_3_lo = 0.03294*count - 1.353, count<501.94
Ch_3_hi = 0.2288*count - 99.65, count>501.94

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

NSS.GHRR.NL.D12318.S0801.E0956.B6261011.WI
NSS.HRPT.NL.D12318.S1519.E1532.B6261414.MI

NSS.HRPT.NN.D12318.S1328.E1341.B3856363.GC
NSS.GHRR.NN.D12318.S1153.E1327.B3856263.GC

NSS.HRPT.NP.D12318.S1245.E1259.B1940707.GC
NSS.GHRR.NP.D12318.S1057.E1244.B1940607.GC
NSS.LHRR.NP.D12318.S1227.E1239.B1940707.GC

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

NCS.FRAC.M2.D12318.S1119.E1126.B3149393.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 301-763-8136 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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