Administrative: NOAA-18, 19, MetOp-A/2, MetOp-B/1, & MetOp-C/3 AVHRR, Monthly Visible Calibration Update, 08 October 2019 - Issued: October 08, 2019 1321Z

Subject: Administrative: NOAA-18, 19, MetOp-A/2, MetOp-B/1, & MetOp-C/3 AVHRR, Monthly Visible Calibration Update, 08 October 2019 - Issued: October 08, 2019 1321Z

From: ESPCOperations

Date: 10/8/2019, 9:21 AM

To: _NESDIS OSPO ESPC OUTAGE Notification

Topic: Visible calibration update for month of October 2019

Date/Time Issued: October 08, 2019 1321Z

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

Date/Time of Initial Impact: October 08, 2019 1132Z

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

Length of Outage: N/A

Details/Specifics of Change:

On October 08, 2019 at approximately 11:32 UTC, the following update of the calibration coefficients was implemented in the level 1B processing for NOAA-18, NOAA-19, MetOp-A/2, MetOp-B/1, and MetOp-C/3 for the month of October. These coefficients are intended to be optimal on October 26, in the middle of the two scheduled updates.

Metop-B/1

Ch_1_lo = 0.05676*count - 2.236, count<500.62

Ch_1_hi = 0.1682*count - 58.01, count>500.62

Ch_2_lo = 0.06358*count - 2.567, count<503.00

Ch_2_hi = 0.1873*count - 64.79, count>503.00

Ch_3_lo = 0.03268*count - 1.373, count<500.85

Ch_3_hi = 0.2276*count - 99.00, count>500.85

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Metop-A/2

Ch_1_lo = 0.05667*count - 2.291, count<501.01

Ch_1_hi = 0.1675*count - 57.80, count>501.01

Ch_2_lo = 0.07073*count - 2.811, count<500.42

Ch_2_hi = 0.2101*count - 72.54, count>500.42

Ch_3_lo = 0.03473*count - 1.427, count<501.94

Ch_3_hi = 0.2412*count - 105.06, count>501.94

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Metop-C/3

Ch_1_lo = 0.05455*count - 2.202, count<498.68

Ch_1_hi = 0.1598*count - 54.71, count>498.68

Ch_2_lo = 0.06317*count - 2.587, count<500.01

Ch_2_hi = 0.1851*count - 63.54, count>500.01

Ch_3_lo = 0.03180*count - 1.290, count<498.72

Ch_3_hi = 0.2237*count - 97.00, count>498.72

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NOAA-18 AVHRR

Ch_1_lo = 0.06237*count - 2.459, count<501.54

Ch_1_hi = 0.1860*count - 63.95, count>501.54

Ch_2_lo = 0.07382*count - 2.908, count<500.40

Ch_2_hi = 0.2215*count - 77.17, count>500.40

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NOAA-19 AVHRR

Ch_1_lo = 0.05486*count - 2.133, count<496.43

Ch_1_hi = 0.1618*count - 55.63, count>496.43

Ch_2_lo = 0.06461*count - 2.506, count<500.37

Ch_2_hi = 0.1925*count - 66.44, count>500.37

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

NSS.HRPT.NN.D19281.S1221.E1230.B7413030.WI

NSS.GHRR.NN.D19281.S1017.E1213.B7412930.WI

NSS.HRPT.NP.D19281.S1200.E1213.B5496969.WI

NSS.GHRR.NP.D19281.S1006.E1159.B5496869.WI

For M3, M2 & M1 the first orbits processed will be the one running after orbit:

NSS.HRPT.M1.D19281.S0850.E0901.B3660707.GC

NSS.FRAC.M1.D19281.S0951.E1048.B3660708.SV

NSS.HRPT.M2.D19281.S0545.E0549.B6729292.MO

NSS.FRAC.M2.D19281.S0751.E0934.B6729394.SV

NSS.HRPT.M3.D19281.S0816.E0828.B0476464.GC

NSS.FRAC.M3.D19281.S0833.E1014.B0476465.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