Topic: Visible calibration update for month of January 2024
Date/Time Issued: January 09, 2024 2014 UTC Product(s) or Data Impacted: All products from channels 1, 2, and 3a
Date/Time of Initial Impact: January 09, 2024 12:00 UTC
Date/Time of Expected End: Until Next Month's Coefficient Update Length of Outage: N/A Details/Specifics of Change:
On 9 January 2024 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 January. These coefficients are intended to be optimal on January 27, in the middle of the two scheduled updates.
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Metop-B/1
# Ch_1_lo = 0.05794*count - 2.282, count<500.62
# Ch_1_hi = 0.1716*count - 59.21, count>500.62
# Ch_2_lo = 0.06520*count - 2.633, count<503.00
# Ch_2_hi = 0.1921*count - 66.45, count>503.00
# Ch_3_lo = 0.03321*count - 1.395, count<500.85
# Ch_3_hi = 0.2313*count - 100.61, count>500.85
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Metop-C/3
# Ch_1_lo = 0.05602*count - 2.262, count<498.68
# Ch_1_hi = 0.1641*count - 56.18, count>498.68
# Ch_2_lo = 0.06594*count - 2.700, count<500.01
# Ch_2_hi = 0.1932*count - 66.32, count>500.01
# Ch_3_lo = 0.03336*count - 1.354, count<498.72
# Ch_3_hi = 0.2347*count - 101.78, count>498.72
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NOAA-18 AVHRR
# Ch_1_lo = 0.06132*count - 2.418, count<501.54
# Ch_1_hi = 0.1828*count - 62.88, count>501.54
# Ch_2_lo = 0.07547*count - 2.973, count<500.40
# Ch_2_hi = 0.2265*count - 78.90, count>500.40
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NOAA-19 AVHRR
# Ch_1_lo = 0.05661*count - 2.201, count<496.43
# Ch_1_hi = 0.1670*count - 57.40, count>496.43
# Ch_2_lo = 0.06824*count - 2.647, count<500.37
# Ch_2_hi = 0.2033*count - 70.18, count>500.37
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The first 1b files produced with the updated CPIDS were:
NSS.HRPT.NN.D24009.S1147.E1151.B9607171.SV
NSS.GHRR.NN.D24009.S1000.E1151.B9607071.SV
NSS.HRPT.NP.D24009.S1146.E1150.B7690808.SV
NSS.GHRR.NP.D24009.S0959.E1150.B7690708.SV
For M3, M1 the first orbits processed will be the one running after orbit:
NSS.HRPT.M1.D24009.S0938.E0946.B5868585.GC
NSS.GHRR.M1.D24009.S1039.E1134.B5868586.SV
NSS.HRPT.M3.D24009.S0850.E0901.B2684242.GC
NSS.GHRR.M3.D24009.S0906.E1048.B2684243.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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