Topic: Visible calibration update for month of April 2019
Date/Time Issued: April 9, 2019 1455Z
Product(s) or Data Impacted: All products from channels 1, 2, and 3a
Date/Time of Initial Impact: April 9, 2019 1232Z
Date/Time of Expected End: Until Next Month's Coefficient Update
Length of Outage: N/A
Details/Specifics of Change: On April 9, 2019 at approximately 12:32 UTC, the following update of the calibration coefficients was implemented in the level 1B processing for NOAA-18, NOAA-19, MetOp-A/2 and MetOp-B/1 for the month of April. These coefficients are intended to be optimal on April 27, in the middle of the two scheduled updates.
Metop-B/1
Ch_1_lo = 0.05640*count - 2.221, count<500.62
Ch_1_hi = 0.1671*count - 57.64, count>500.62
Ch_2_lo = 0.06318*count - 2.551, count<503.00
Ch_2_hi = 0.1861*count - 64.39, count>503.00
Ch_3_lo = 0.03271*count - 1.374, count<500.85
Ch_3_hi = 0.2278*count - 99.09, count>500.85
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Metop-A/2
Ch_1_lo = 0.05647*count - 2.283, count<501.01
Ch_1_hi = 0.1669*count - 57.59, count>501.01
Ch_2_lo = 0.07026*count - 2.793, count<500.42
Ch_2_hi = 0.2087*count - 72.06, count>500.42
Ch_3_lo = 0.03454*count - 1.419, count<501.94
Ch_3_hi = 0.2399*count - 104.50, count>501.94
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NOAA-18 AVHRR
Ch_1_lo = 0.06190*count - 2.440, count<501.54
Ch_1_hi = 0.1845*count - 63.46, count>501.54
Ch_2_lo = 0.07313*count - 2.881, count<500.40
Ch_2_hi = 0.2194*count - 76.46, count>500.40
-------------------------------------------------------------------------------------
NOAA-19 AVHRR
Ch_1_lo = 0.05464*count - 2.124, count<496.43
Ch_1_hi = 0.1612*count - 55.40, count>496.43
Ch_2_lo = 0.06412*count - 2.487, count<500.37
Ch_2_hi = 0.1910*count - 65.93, count>500.37
The first 1b files produced with the updated CPIDS were:
NSS.HRPT.NN.D19099.S1241.E1254.B7156161.WI
NSS.GHRR.NN.D19099.S0706.E0901.B7155859.WI
NSS.GHRR.NP.D19099.S1157.E1343.B5240001.GC
NSS.HRPT.NP.D19099.S1345.E1357.B5240101.GC
NSS.LHRR.NP.D19099.S1256.E1302.B5240000.GC
For M2 & M1 the first orbits processed will be the one running after orbit:
NSS.HRPT.M1.D19099.S0815.E0826.B3402121.GC
NSS.FRAC.M1.D19099.S1058.E1154.B3402223.SV
NSS.FRAC.M2.D19099.S0900.E1041.B6470809.SV
NSS.HRPT.M2.D19099.S0511.E0516.B6468888.MO
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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