Administrative: NOAA-18, 19, MetOp-A/2 & MetOp-B/1, AVHRR, Monthly Visible Calibration ,Update, 11 December 2018 - Issued: December 11, 2018 1605Z

Subject: Administrative: NOAA-18, 19, MetOp-A/2 & MetOp-B/1, AVHRR, Monthly Visible Calibration ,Update, 11 December 2018 - Issued: December 11, 2018 1605Z

From: ESPCOperations

Date: 12/11/2018, 11:03 AM

To: _NESDIS OSPO ESPC OUTAGE Notification

Topic: Visible Calibration update for the month of December 2018

Date/Time Issued: December 11, 2018 1605Z

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

Date/Time of Initial Impact: December 11, 2018 1333Z

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

Length of Outage: N/A

Details and Specifics of Change:  On December 11, 2018 at approximately 13:33Z, the following update of the calibration coefficients was implemented in the level 1B processing for NOAA-18, NOAA-19, MetOp-A/2 and MetOp-B/1 for the month of December. These coefficients are intended to be optimal on December 25, in the middle of the two scheduled updates.

Metop-B/1

Ch_1_lo = 0.05630*count - 2.217, count<500.62

Ch_1_hi = 0.1668*count - 57.54, count>500.62

Ch_2_lo = 0.06302*count - 2.545, count<503.00

Ch_2_hi = 0.1856*count - 64.22, count>503.00

Ch_3_lo = 0.03242*count - 1.362, count<500.85

Ch_3_hi = 0.2258*count - 98.20, count>500.85

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Metop-A/2

Ch_1_lo = 0.05640*count - 2.280, count<501.01

Ch_1_hi = 0.1666*count - 57.52, count>501.01

Ch_2_lo = 0.07019*count - 2.790, count<500.42

Ch_2_hi = 0.2085*count - 71.99, count>500.42

Ch_3_lo = 0.03444*count - 1.415, count<501.94

Ch_3_hi = 0.2392*count - 104.20, count>501.94

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NOAA-18 AVHRR

Ch_1_lo = 0.06158*count - 2.428, count<501.54

Ch_1_hi = 0.1836*count - 63.14, count>501.54

Ch_2_lo = 0.07267*count - 2.863, count<500.40

Ch_2_hi = 0.2181*count - 75.98, count>500.40

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NOAA-19 AVHRR

Ch_1_lo = 0.05448*count - 2.118, count<496.43

Ch_1_hi = 0.1607*count - 55.25, count>496.43

Ch_2_lo = 0.06379*count - 2.474, count<500.37

Ch_2_hi = 0.1900*count - 65.60, count>500.37

The first 1b files produced with the updated CPIDS were:

NSS.HRPT.NN.D18345.S1408.E1411.B6988282.MI

NSS.GHRR.NN.D18345.S1552.E1721.B6988384.GC

NSS.HRPT.NP.D18345.S1326.E1339.B5072121.MO

NSS.GHRR.NP.D18345.S1137.E1318.B5072021.GC

NSS.LHRR.NP.D18345.S1253.E1305.B5072121.GC

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

NSS.HRPT.M1.D18345.S1302.E1311.B3233333.WI

NSS.FRAC.M1.D18345.S1113.E1254.B3233233.SV

NSS.FRAC.M2.D18345.S1008.E1149.B6301819.SV

NSS.HRPT.M2.D18345.S0439.E0443.B6299797.MO

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 and 301-817-3880

Web Site(s) for applicable information: N/A

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