Topic: Visible calibration update for month of December 2019

Date/Time Issued: December 10, 2019 1720Z

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

Date/Time of Initial Impact: December 10, 2019 1326Z

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

Length of Outage: N/A

Details/Specifics of Change:

On 10 December 2019 at approximately 13:26 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 28, in the middle of the two scheduled updates.

Metop-B/1

Ch_1_lo = 0.05681*count - 2.237, count<500.62

Ch_1_hi = 0.1683*count - 58.06, count>500.62

Ch_2_lo = 0.06374*count - 2.574, count<503.00

Ch_2_hi = 0.1878*count - 64.96, count>503.00

Ch_3_lo = 0.03271*count - 1.375, count<500.85

Ch_3_hi = 0.2278*count - 99.10, count>500.85

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Metop-A/2

Ch_1_lo = 0.05675*count - 2.295, count<501.01

Ch_1_hi = 0.1677*count - 57.88, count>501.01

Ch_2_lo = 0.07090*count - 2.818, count<500.42

Ch_2_hi = 0.2106*count - 72.71, count>500.42

Ch_3_lo = 0.03478*count - 1.429, count<501.94

Ch_3_hi = 0.2415*count - 105.21, count>501.94

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Metop-C/3

Ch_1_lo = 0.05445*count - 2.198, count<498.68

Ch_1_hi = 0.1596*count - 54.61, count>498.68

Ch_2_lo = 0.06287*count - 2.574, count<500.01

Ch_2_hi = 0.1842*count - 63.23, count>500.01

Ch_3_lo = 0.03177*count - 1.289, count<498.72

Ch_3_hi = 0.2235*count - 96.93, count>498.72

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NOAA-18 AVHRR

Ch_1_lo = 0.06254*count - 2.466, count<501.54

Ch_1_hi = 0.1865*count - 64.12, count>501.54

Ch_2_lo = 0.07406*count - 2.918, count<500.40

Ch_2_hi = 0.2222*count - 77.43, count>500.40

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NOAA-19 AVHRR

Ch_1_lo = 0.05494*count - 2.136, count<496.43

Ch_1_hi = 0.1621*count - 55.71, count>496.43

Ch_2_lo = 0.06478*count - 2.512, count<500.37

Ch_2_hi = 0.1930*count - 66.62, count>500.37

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

NSS.HRPT.NN.D19344.S1329.E1340.B7502020.MI

NSS.GHRR.NN.D19344.S1311.E1504.B7502021.WI

NSS.HRPT.NP.D19344.S1312.E1325.B5585959.MO

NSS.GHRR.NP.D19344.S1248.E1434.B5585960.SV

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

NSS.HRPT.M1.D19344.S0515.E0528.B3750000.MO

NSS.FRAC.M1.D19344.S1129.E1225.B3750304.SV

NSS.HRPT.M2.D19344.S0542.E0546.B6818787.MO

NSS.FRAC.M2.D19344.S1110.E1250.B6819091.SV

NSS.HRPT.M3.D19344.S0621.E0632.B0565858.MO

NSS.FRAC.M3.D19344.S1009.E1149.B0566061.SV

Contact Person(s) Name/Email/Phone Number for Questions:

Dejiang.Han Dejiang.Han@noaa.gov <mailto:Dejiang.Han@noaa.gov> 301-817-4119 operations support

Xiangqian Wu Xiangqian.Wu@noaa.gov <mailto: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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