Topic: Visible calibration update for month of June 2024
Date/Time Issued: June 11 2024 2107 UTC
Product(s) or Data Impacted: All products from channels 1, 2, and 3a
Date/Time of Initial Impact: June 11 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 11 June 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 June. These coefficients are intended to be optimal on June 25, in the middle of the two scheduled updates.
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Metop-B/1
# Ch_1_lo = 0.05801*count - 2.285, count<500.62
# Ch_1_hi = 0.1719*count - 59.28, count>500.62
# Ch_2_lo = 0.06546*count - 2.643, count<503.00
# Ch_2_hi = 0.1928*count - 66.71, count>503.00
# Ch_3_lo = 0.03325*count - 1.397, count<500.85
# Ch_3_hi = 0.2316*count - 100.74, count>500.85
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Metop-C/3
# Ch_1_lo = 0.05620*count - 2.269, count<498.68
# Ch_1_hi = 0.1647*count - 56.36, count>498.68
# Ch_2_lo = 0.06655*count - 2.725, count<500.01
# Ch_2_hi = 0.1950*count - 66.94, count>500.01
# Ch_3_lo = 0.03341*count - 1.356, count<498.72
# Ch_3_hi = 0.2351*count - 101.93, count>498.72
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NOAA-18 AVHRR
# Ch_1_lo = 0.06124*count - 2.415, count<501.54
# Ch_1_hi = 0.1826*count - 62.79, count>501.54
# Ch_2_lo = 0.07562*count - 2.979, count<500.40
# Ch_2_hi = 0.2269*count - 79.06, count>500.40
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NOAA-19 AVHRR
# Ch_1_lo = 0.05664*count - 2.202, count<496.43
# Ch_1_hi = 0.1671*count - 57.43, count>496.43
# Ch_2_lo = 0.06807*count - 2.640, count<500.37
# Ch_2_hi = 0.2027*count - 69.99, count>500.37
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The first 1b files produced with the updated CPIDS were:
NSS.HRPT.NN.D24163.S1142.E1146.B9824646.SV
NSS.GHRR.NN.D24163.S0955.E1146.B9824546.SV
NSS.HRPT.NP.D24163.S1212.E1216.B7908383.SV
NSS.GHRR.NP.D24163.S1025.E1216.B7908283.SV
For M3, M1 the first orbits processed will be the one running after orbit:
NSS.HRPT.M1.D24163.S0809.E0820.B6087272.GC
NSS.GHRR.M1.D24163.S1007.E1058.B6087373.MM
NSS.HRPT.M3.D24163.S0905.E0915.B2903030.GC
NSS.GHRR.M3.D24163.S0921.E1102.B2903031.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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