Topic: Visible calibration update for month of July 2024
Date/Time Issued: July 09 2024 2023 UTC
Product(s) or Data Impacted: All products from channels 1, 2, and 3a
Date/Time of Initial Impact: July 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 09 July 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 July. These coefficients are intended to be optimal on July 27, in the middle of the two scheduled updates.
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Metop-B/1
#Ch_1_lo = 0.05803*count - 2.286, count<500.62
#Ch_1_hi = 0.1719*count - 59.31, count>500.62
#Ch_2_lo = 0.06551*count - 2.645, count<503.00
#Ch_2_hi = 0.1930*count - 66.76, count>503.00
#Ch_3_lo = 0.03326*count - 1.398, count<500.85
#Ch_3_hi = 0.2317*count - 100.77, count>500.85
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Metop-C/3
#Ch_1_lo = 0.05624*count - 2.271, count<498.68
#Ch_1_hi = 0.1648*count - 56.40, count>498.68
#Ch_2_lo = 0.06666*count - 2.730, count<500.01
#Ch_2_hi = 0.1953*count - 67.05, count>500.01
#Ch_3_lo = 0.03344*count - 1.357, count<498.72
#Ch_3_hi = 0.2352*count - 102.00, count>498.72
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NOAA-18 AVHRR
#Ch_1_lo = 0.06129*count - 2.417, count<501.54
#Ch_1_hi = 0.1827*count - 62.84, count>501.54
#Ch_2_lo = 0.07561*count - 2.979, count<500.40
#Ch_2_hi = 0.2269*count - 79.05, 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 - 57.41, count>496.43
#Ch_2_lo = 0.06813*count - 2.642, count<500.37
#Ch_2_hi = 0.2029*count - 70.06, count>500.37
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The first 1b files produced with the updated CPIDS were:
NSS.HRPT.NN.D24191.S1100.E1108.B9864141.SV
NSS.GHRR.NN.D24191.S0905.E1057.B9864041.SV
NSS.HRPT.NP.D24191.S1136.E1144.B7947878.SV
NSS.GHRR.NP.D24191.S0941.E1132.B7947778.SV
For M3, M1 the first orbits processed will be the one running after orbit:
NSS.HRPT.M1.D24191.S0831.E0840.B6127070.GC
NSS.GHRR.M1.D24191.S1028.E1119.B6127171.MM
NSS.HRPT.M3.D24191.S0927.E0936.B2942828.GC
NSS.GHRR.M3.D24191.S0942.E1123.B2942829.SV
Contact Person(s) Name/Email/Phone Number for Questions:
Web site(s) that contain other relevant information (where applicable):
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Dejiang.Han Dejiang.Han@noaa.gov
Xiangqian Wu Xiangqian.Wu@noaa.gov
http://www.osdpd.noaa.gov/PSB/PPP/PPP.html - History of level 1B notices
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