Details/Specifics of Change:On 13 September 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
September. These coefficients are intended to be optimal on September 27, in the middle of the two scheduled
updates.
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Metop-B/1
# Ch_1_lo = 0.05770*count - 2.273, count<500.62
# Ch_1_hi = 0.1710*count - 58.97, count>500.62
# Ch_2_lo = 0.06462*count - 2.609, count<503.00
# Ch_2_hi = 0.1904*count - 65.86, count>503.00
# Ch_3_lo = 0.03309*count - 1.390, count<500.85
# Ch_3_hi = 0.2304*count - 100.23, count>500.85
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Metop-C/3
# Ch_1_lo = 0.05574*count - 2.251, count<498.68
# Ch_1_hi = 0.1633*count - 55.90, count>498.68
# Ch_2_lo = 0.06434*count - 2.635, count<500.01
# Ch_2_hi = 0.1885*count - 64.72, count>500.01
# Ch_3_lo = 0.03309*count - 1.342, count<498.72
# Ch_3_hi = 0.2328*count - 100.94, count>498.72
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NOAA-18 AVHRR
# Ch_1_lo = 0.06144*count - 2.422, count<501.54
# Ch_1_hi = 0.1832*count - 62.99, count>501.54
# Ch_2_lo = 0.07534*count - 2.968, count<500.40
# Ch_2_hi = 0.2261*count - 78.77, count>500.40
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NOAA-19 AVHRR
# Ch_1_lo = 0.05624*count - 2.186, count<496.43
# Ch_1_hi = 0.1659*count - 57.03, count>496.43
# Ch_2_lo = 0.06776*count - 2.628, count<500.37
# Ch_2_hi = 0.2018*count - 69.68, count>500.37
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The first 1b files produced with the updated CPIDS were:
NSS.HRPT.NN.D22256.S1452.E1459.B8925252.MI
NSS.GHRR.NN.D22256.S1252.E1447.B8925152.WI
NSS.HRPT.NP.D22256.S1320.E1336.B7008989.WI
NSS.GHRR.NP.D22256.S1127.E1320.B7008889.WI
For M3, M1 the first orbits processed will be the one running after orbit:
NSS.HRPT.M1.D22256.S0933.E0942.B5182323.GC
NSS.GHRR.M1.D22256.S1034.E1130.B5182324.SVNSS.HRPT.M3.D22256.S0844.E0855.B1998080.GC
NSS.GHRR.M3.D22256.S0900.E1042.B1998081.SVThis message was sent from
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