Topic:   Visible calibration update for month of November 2022

Date/Time Issued:  November 8 2022 2020Z

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

Date/Time of Initial Impact:  November 8 2022 12:00 UTC

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

Length of Outage:   N/A

Details/Specifics of Change: On 8 November 2022 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 25, in the middle of the two scheduled updates.

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Metop-B/1
# Ch_1_lo = 0.05775*count -  2.275, count<500.62
# Ch_1_hi =  0.1711*count -  59.02, count>500.62
# Ch_2_lo = 0.06470*count -  2.613, count<503.00
# Ch_2_hi =  0.1906*count -  65.94, count>503.00
# Ch_3_lo = 0.03309*count -  1.391, count<500.85
# Ch_3_hi =  0.2305*count - 100.25, count>500.85
 --------------------------------------------------------------------------------------
Metop-C/3
# Ch_1_lo = 0.05574*count -  2.250, count<498.68
# Ch_1_hi =  0.1633*count -  55.90, count>498.68
# Ch_2_lo = 0.06441*count -  2.638, count<500.01
# Ch_2_hi =  0.1887*count -  64.79, count>500.01
# Ch_3_lo = 0.03310*count -  1.343, count<498.72
# Ch_3_hi =  0.2329*count - 100.96, count>498.72
--------------------------------------------------------------------------------------
NOAA-18 AVHRR
# Ch_1_lo = 0.06138*count -  2.420, count<501.54
# Ch_1_hi =  0.1830*count -  62.94, count>501.54
# Ch_2_lo = 0.07531*count -  2.967, count<500.40
# Ch_2_hi =  0.2260*count -  78.73, count>500.40
-------------------------------------------------------------------------------------
NOAA-19 AVHRR
# Ch_1_lo = 0.05631*count -  2.189, count<496.43
# Ch_1_hi =  0.1661*count -  57.10, count>496.43
# Ch_2_lo = 0.06787*count -  2.632, count<500.37
# Ch_2_hi =  0.2022*count -  69.79, count>500.37
--------------------------------------------------------------------------------------

The first 1b files produced with the updated CPIDS were:
NSS.HRPT.NN.D22312.S1519.E1532.B9004343.MI
NSS.GHRR.NN.D22312.S1510.E1655.B9004344.WI

NSS.HRPT.NP.D22312.S1218.E1231.B7087979.WI
NSS.GHRR.NP.D22312.S1015.E1210.B7087879.WI

For M3, M1 the first orbits processed will be the one running after orbit:
NSS.HRPT.M1.D22312.S0833.E0844.B5261818.GC
NSS.GHRR.M1.D22312.S1031.E1121.B5261919.MM

NSS.HRPT.M3.D22312.S0927.E0936.B2077676.GC
NSS.GHRR.M3.D22312.S0942.E1123.B2077677.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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