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Administrative: NOAA-18, 19, MetOp-A/2, MetOp-B/1, & MetOp-C/3 AVHRR, Monthly Visible Calibration Update, 8 December 2020 - Issued: 8 December 2020 1821Z

From: Trusted NESDIS NSOF Sender - NOAA Service Account

Date: 12/8/2020, 1:21 PM

To: espc.notification@noaa.gov

Topic:   Visible calibration update for month of December  2020

Date/Time Issued:  December 8 2020 1821Z

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

Date/Time of Initial Impact:  December 8 2020 13:09 UTC

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

Length of Outage:   N/A

Details/Specifics of Change:

On 8 December 2020 at approximately 13:09 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 December. These coefficients are intended to be optimal on December 26, in the middle of the two scheduled updates.

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Metop-B/1

  Ch_1_lo = 0.05704*count -  2.246, count<500.62

  Ch_1_hi =  0.1690*count -  58.29, count>500.62

  Ch_2_lo = 0.06421*count -  2.593, count<503.00

  Ch_2_hi =  0.1892*count -  65.44, count>503.00

  Ch_3_lo = 0.03282*count -  1.379, count<500.85

  Ch_3_hi =  0.2286*count -  99.44, count>500.85

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Metop-A/2
  Ch_1_lo = 0.05715*count -  2.311, count<501.01

  Ch_1_hi =  0.1689*count -  58.29, count>501.01

  Ch_2_lo = 0.07194*count -  2.860, count<500.42

  Ch_2_hi =  0.2137*count -  73.79, count>500.42

  Ch_3_lo = 0.03507*count -  1.441, count<501.94

  Ch_3_hi =  0.2436*count - 106.11, count>501.94

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Metop-C/3
  Ch_1_lo = 0.05475*count -  2.210, count<498.68

  Ch_1_hi =  0.1604*count -  54.90, count>498.68

  Ch_2_lo = 0.06338*count -  2.595, count<500.01

  Ch_2_hi =  0.1857*count -  63.75, count>500.01

  Ch_3_lo = 0.03234*count -  1.312, count<498.72

  Ch_3_hi =  0.2276*count -  98.67, count>498.72

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NOAA-18 AVHRR

  Ch_1_lo = 0.06332*count -  2.497, count<501.54

  Ch_1_hi =  0.1888*count -  64.93, count>501.54

  Ch_2_lo = 0.07483*count -  2.948, count<500.40

  Ch_2_hi =  0.2245*count -  78.23, count>500.40

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NOAA-19 AVHRR

  Ch_1_lo = 0.05540*count -  2.153, count<496.43

  Ch_1_hi =  0.1634*count -  56.17, count>496.43

  Ch_2_lo = 0.06579*count -  2.552, count<500.37

  Ch_2_hi =  0.1960*count -  67.66, count>500.37

--------------------------------------------------------------------------------------

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

NSS.GHRR.NN.D20343.S1158.E1353.B8015859.WI

NSS.HRPT.NN.D20343.S1354.E1407.B8015959.WI

 
NSS.GHRR.NP.D20343.S1228.E1410.B6099798.GC

NSS.HRPT.NP.D20343.S1412.E1419.B6099898.GC

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

NSS.HRPT.M1.D20343.S0815.E0827.B4267373.GC

NSS.FRAC.M1.D20343.S1153.E1245.B4267575.MM

 

NSS.HRPT.M2.D20343.S0511.E0516.B7335858.MO

NSS.FRAC.M2.D20343.S1039.E1220.B7336162.SV

 

NSS.HRPT.M3.D20343.S1257.E1302.B1083333.WI

NSS.FRAC.M3.D20343.S0925.E1107.B1083132.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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ppp@nesdis.noaa.gov

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