Topic: Visible calibration update for month of August 2018
Date/Time Issued: August 15, 2018 0025Z
Product(s) or Data Impacted: All products from channels 1, 2, and 3a
Date/Time of Initial Impact: August 14, 2018 1230Z
Date/Time of Expected End: Until Next Month's Coefficient Update
Length of Outage: N/A
Details/Specifics of Change: On August 14, 2018 at approximately 12:30Z, 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 August. These coefficients are intended to be optimal on August 28, in the middle of the two scheduled updates.
Metop-B/1
Ch_1_lo = 0.05622*count - 2.214, count<500.62
Ch_1_hi = 0.1665*count - 57.45, count>500.62
Ch_2_lo = 0.06286*count - 2.538, count<503.00
Ch_2_hi = 0.1852*count - 64.06, count>503.00
Ch_3_lo = 0.03236*count - 1.360, count<500.85
Ch_3_hi = 0.2254*count - 98.03, count>500.85
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Metop-A/2
Ch_1_lo = 0.05635*count - 2.278, count<501.01
Ch_1_hi = 0.1665*count - 57.47, count>501.01
Ch_2_lo = 0.06994*count - 2.780, count<500.42
Ch_2_hi = 0.2077*count - 71.73, count>500.42
Ch_3_lo = 0.03437*count - 1.412, count<501.94
Ch_3_hi = 0.2387*count - 103.99, count>501.94
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NOAA-18 AVHRR
Ch_1_lo = 0.06128*count - 2.416, count<501.54
Ch_1_hi = 0.1827*count - 62.83, count>501.54
Ch_2_lo = 0.07224*count - 2.846, count<500.40
Ch_2_hi = 0.2167*count - 75.52, count>500.40
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NOAA-19 AVHRR
Ch_1_lo = 0.05431*count - 2.111, count<496.43
Ch_1_hi = 0.1602*count - 55.07, count>496.43
Ch_2_lo = 0.06339*count - 2.458, count<500.37
Ch_2_hi = 0.1888*count - 65.18, count>500.37
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The first 1b files produced with the updated CPIDS were:
NSS.HRPT.NP.D18226.S1258.E1311.B4904141.MO
NSS.GHRR.NP.D18226.S1109.E1239.B4904041.SV
NSS.LHRR.NP.D18226.S1556.E1608.B4904343.GC
NSS.HRPT.NN.D18226.S1344.E1400.B6820202.WI
NSS.GHRR.NN.D18226.S1154.E1344.B6820102.WI
For M2 & M1 the first orbits processed will be the one running after orbit:
NSS.HRPT.M1.D18226.S0838.E0849.B3064040.GC
NSS.FRAC.M1.D18226.S1035.E1126.B3064141.MM
NSS.HRPT.M2.D18226.S0546.E0551.B6130707.MO
NSS.FRAC.M2.D18226.S0934.E1115.B6132728.SV
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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