Subject: Subject: Administrative: NOAA-18, 19, MetOp-A/2 & MetOp-B/1, AVHRR, Monthly Visible Calibration Update, 12 August 2014 - Issued: August 12, 2014 2100 UTC
Topic: Visible calibration update for month of August 2014
Date/Time Issued: August 12, 2014 2100 UTC
Product(s) or Data Impacted: All products from channels 1, 2, and 3a
Date/Time of Initial Impact: August 12, 2014 1955 UTC
Date/Time of Expected End: Until Next Month's Coefficient Update
Length of Outage: N/A
Details/Specifics of Change:
On 12 August 2014 at approximately 19:55 UTC, the following update of the calibration coefficients was implemented in the level 1B processing for NOAA-16, NOAA-18, NOAA-19, MetOp-A/2 and MetOp-B/1 for the month of August. These coefficients are intended to be optimal on August 26, in the middle of the two scheduled updates.
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Metop-B/1
Ch_1_lo = 0.05378*count - 2.118, count<500.62
Ch_1_hi = 0.1593*count - 54.97, count>500.62
Ch_2_lo = 0.06013*count - 2.428, count<503.00
Ch_2_hi = 0.1771*count - 61.28, count>503.00
Ch_3_lo = 0.03088*count - 1.297, count<500.85
Ch_3_hi = 0.2151*count - 93.54, count>500.85
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Metop-A/2
Ch_1_lo = 0.05549*count - 2.244, count<501.01
Ch_1_hi = 0.1640*count - 56.59, count>501.01
Ch_2_lo = 0.06705*count - 2.665, count<500.42
Ch_2_hi = 0.1991*count - 68.76, count>500.42
Ch_3_lo = 0.03333*count - 1.369, count<501.94
Ch_3_hi = 0.2315*count - 100.83, count>501.94
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NOAA-18 AVHRR
Ch_1_lo = 0.05777*count - 2.278, count<501.54
Ch_1_hi = 0.1722*count - 59.24, count>501.54
Ch_2_lo = 0.06727*count - 2.650, count<500.40
Ch_2_hi = 0.2018*count - 70.33, count>500.40
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NOAA-19 AVHRR
Ch_1_lo = 0.05233*count - 2.034, count<496.43
Ch_1_hi = 0.1544*count - 53.06, count>496.43
Ch_2_lo = 0.05941*count - 2.304, count<500.37
Ch_2_hi = 0.1770*count - 61.09, count>500.37
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The first 1b files produced with the updated CPIDS were:
NSS.HRPT.NN.D14224.S2022.E2034.B4755656.MI
NSS.GHRR.NN.D14224.S1712.E1907.B4755455.WI
NSS.GHRR.NP.D14224.S1753.E1940.B2839698.WI
NSS.HRPT.NP.D14224.S1937.E1950.B2839898.WI
NSS.LHRR.NP.D14224.S1925.E1937.B2839798.WI
For M2 & M1 the first orbits processed will be the one running after orbit:
NSS.FRAC.M1.D14224.S1828.E____.B09861__.MI
NSS.HRPT.M1.D14224.S2011.E2025.B0986262.GC
NSS.FRAC.M2.D14224.S1735.E____.B40547__.SV
NSS.HRPT.M2.D14224.S1932.E1944.B4054848.EB
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Dejiang.Han Dejiang.Han@noaa.gov
Xiangqian Wu Xiangqian.Wu@noaa.gov
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