Date/Time Issued: October 11 2022 1725Z

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

Date/Time of Initial Impact: October 11 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 11 October 2022 at approximately 12:00 UTC, the following update of the calibration coefficients was

--------------------------------------------------------------------------------------
Metop-B/1
# Ch_1_lo = 0.05774*count - 2.274, count<500.62
# Ch_1_hi = 0.1711*count - 59.01, count>500.62
# Ch_2_lo = 0.06470*count - 2.612, count<503.00
# Ch_2_hi = 0.1906*count - 65.93, count>503.00
# Ch_3_lo = 0.03311*count - 1.391, count<500.85
# Ch_3_hi = 0.2306*count - 100.30, count>500.85
--------------------------------------------------------------------------------------
Metop-C/3
# Ch_1_lo = 0.05581*count - 2.253, count<498.68
# Ch_1_hi = 0.1635*count - 55.97, count>498.68
# Ch_2_lo = 0.06442*count - 2.638, count<500.01
# Ch_2_hi = 0.1887*count - 64.80, count>500.01
# Ch_3_lo = 0.03312*count - 1.344, count<498.72
# Ch_3_hi = 0.2330*count - 101.03, count>498.72
--------------------------------------------------------------------------------------
NOAA-18 AVHRR
# Ch_1_lo = 0.06147*count - 2.424, count<501.54
# Ch_1_hi = 0.1833*count - 63.03, count>501.54
# Ch_2_lo = 0.07538*count - 2.970, count<500.40
# Ch_2_hi = 0.2262*count - 78.81, count>500.40
-------------------------------------------------------------------------------------
NOAA-19 AVHRR
# Ch_1_lo = 0.05627*count - 2.188, count<496.43
# Ch_1_hi = 0.1660*count - 57.06, count>496.43
# Ch_2_lo = 0.06784*count - 2.631, count<500.37
# Ch_2_hi = 0.2021*count - 69.76, count>500.37
--------------------------------------------------------------------------------------

The first 1b files produced with the updated CPIDS were:
NSS.HRPT.NN.D22284.S1412.E1424.B8964747.WI
NSS.GHRR.NN.D22284.S1215.E1409.B8964647.WI
NSS.HRPT.NP.D22284.S1249.E1304.B7048484.WI
NSS.GHRR.NP.D22284.S1047.E1242.B7048384.WI
For M3, M1 the first orbits processed will be the one running after orbit:
NSS.HRPT.M1.D22284.S0812.E0823.B5222020.GC
NSS.GHRR.M1.D22284.S1009.E1100.B5222121.MM
NSS.HRPT.M3.D22284.S0905.E0915.B2037878.GC
NSS.GHRR.M3.D22284.S0921.E1102.B2037879.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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