Administrative: NOAA-18, 19, MetOp-B/1, & MetOp-C/3 AVHRR, Monthly Visible Calibration Update, November 9, 2021 - Issued: November 9, 2021 1824Z

Subject: Administrative: NOAA-18, 19, MetOp-B/1, & MetOp-C/3 AVHRR, Monthly Visible Calibration Update, November 9, 2021 - Issued: November 9, 2021 1824Z

From: Trusted NESDIS NSOF Sender - NOAA Service Account

Date: 11/9/2021, 1:27 PM

To: espc.notification@noaa.gov

Topic:   Visible calibration update for month of November 2021

Date/Time Issued:  November 9, 2021 1825Z

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

Date/Time of Initial Impact:  November 9, 2021 1200Z

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

Length of Outage:   N/A

Details/Specifics of Change:

On 9 November 2021 at approximately 12:00 UTC, the following update of the calibration coefficients was implemented in the level 1B processing for NOAA-18, NOAA-19, MetOp-B/1, and MetOp-C/3 for the month of November. These coefficients are intended to be optimal on November 27, in the middle of the two scheduled updates.

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Metop-B/1

 Ch_1_lo = 0.05739*count -  2.260, count<500.62

 Ch_1_hi =  0.1700*count -  58.66, count>500.62

 Ch_2_lo = 0.06442*count -  2.601, count<503.00

 Ch_2_hi =  0.1898*count -  65.65, count>503.00

 Ch_3_lo = 0.03292*count -  1.383, count<500.85

 Ch_3_hi =  0.2293*count -  99.73, count>500.85

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Metop-C/3

 Ch_1_lo = 0.05517*count -  2.227, count<498.68

 Ch_1_hi =  0.1617*count -  55.33, count>498.68

 Ch_2_lo = 0.06374*count -  2.610, count<500.01

 Ch_2_hi =  0.1868*count -  64.12, count>500.01

 Ch_3_lo = 0.03276*count -  1.329, count<498.72

 Ch_3_hi =  0.2305*count -  99.95, count>498.72

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NOAA-18 AVHRR

 Ch_1_lo = 0.06166*count -  2.431, count<501.54

 Ch_1_hi =  0.1838*count -  63.22, count>501.54

 Ch_2_lo = 0.07535*count -  2.969, count<500.40

 Ch_2_hi =  0.2261*count -  78.77, count>500.40

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NOAA-19 AVHRR

 Ch_1_lo = 0.05582*count -  2.170, count<496.43

 Ch_1_hi =  0.1647*count -  56.61, count>496.43

 Ch_2_lo = 0.06675*count -  2.589, count<500.37

 Ch_2_hi =  0.1988*count -  68.64, count>500.37

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

NSS.HRPT.NN.D21313.S1421.E1435.B8490303.WI

NSS.GHRR.NN.D21313.S1225.E1420.B8490203.WI

 
NSS.HRPT.NP.D21313.S1206.E1221.B6574040.WI

NSS.GHRR.NP.D21313.S1004.E1159.B6573940.WI

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

NSS.HRPT.M1.D21313.S0906.E0916.B4744747.GC

NSS.FRAC.M1.D21313.S1007.E1103.B4744748.SV

 
NSS.HRPT.M3.D21313.S0816.E0828.B1560404.GC

NSS.FRAC.M3.D21313.S0833.E1015.B1560405.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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