Administrative: NOAA-18, 19, MetOp-A/2 & MetOp-B/1, AVHRR, Monthly Visible Calibration Update, 11 July 2017 - Issued: July 11, 2017 1520Z

Subject: Administrative: NOAA-18, 19, MetOp-A/2 & MetOp-B/1, AVHRR, Monthly Visible Calibration Update, 11 July 2017 - Issued: July 11, 2017 1520Z
From: ESPCOperations
Date: 7/11/2017 11:19 AM
To: _NESDIS OSDPD ESPC OUTAGE Notification

Topic: Visible calibration update for month of July 2017

Date/Time Issued: July 11, 2017 1520Z

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

Date/Time of Initial Impact: July 11, 2017 1239Z

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

Length of Outage: N/A

Details/Specifics of Change:

On July 11, 2017 at approximately 12:39Z, 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 July . These coefficients are intended to be optimal on July 25, in the middle of the two scheduled updates.

Metop-B/1

Ch_1_lo = 0.05576*count - 2.196, count<500.62

Ch_1_hi = 0.1652*count - 56.99, count>500.62

Ch_2_lo = 0.06235*count - 2.518, count<503.00

Ch_2_hi = 0.1837*count - 63.54, count>503.00

Ch_3_lo = 0.03214*count - 1.351, count<500.85

Ch_3_hi = 0.2239*count - 97.38, count>500.85

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Metop-A/2

Ch_1_lo = 0.05607*count - 2.267, count<501.01

Ch_1_hi = 0.1657*count - 57.19, count>501.01

Ch_2_lo = 0.06935*count - 2.757, count<500.42

Ch_2_hi = 0.2060*count - 71.13, count>500.42

Ch_3_lo = 0.03401*count - 1.397, count<501.94

Ch_3_hi = 0.2362*count - 102.88, count>501.94

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NOAA-18 AVHRR

Ch_1_lo = 0.06028*count - 2.377, count<501.54

Ch_1_hi = 0.1797*count - 61.81, count>501.54

Ch_2_lo = 0.07081*count - 2.790, count<500.40

Ch_2_hi = 0.2125*count - 74.03, count>500.40

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NOAA-19 AVHRR

Ch_1_lo = 0.05363*count - 2.085, count<496.43

Ch_1_hi = 0.1582*count - 54.39, count>496.43

Ch_2_lo = 0.06221*count - 2.413, count<500.37

Ch_2_hi = 0.1853*count - 63.97, count>500.37

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

NSS.GHRR.NN.D17192.S1034.E1225.B6256869.WI

NSS.HRPT.NN.D17192.S1230.E1244.B6256969.MI

NSS.HRPT.NP.D17192.S1226.E1238.B4340909.GC

NSS.GHRR.NP.D17192.S1027.E1222.B4340809.GC

NSS.LHRR.NP.D17192.S1212.E1216.B4340909.GC

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

NSS.FRAC.M1.D17192.S1038.E1134.B2497273.SV

NSS.HRPT.M1.D17192.S0938.E0947.B2497272.GC

NSS.HRPT.M2.D17192.S0510.E0515.B5563838.MO

NSS.FRAC.M2.D17192.S0859.E1040.B5565859.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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