Topic: Visible calibration update for month of December 2023
Date/Time Issued: December 12 2023 2043 UTC
Product(s) or Data Impacted: All products from channels 1, 2, and 3a
Date/Time of Initial Impact: December 12 2023 12:00 UTC
Date/Time of Expected End: Until Next Month's Coefficient Update
Length of Outage: N/A
Details/Specifics of Change:
On 12 December 2023 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 December. These coefficients are intended to be optimal on December 26, in the middle of the two scheduled updates
Metop-B/1# Ch_1_lo = 0.05792*count - 2.281, count<500.62# Ch_1_hi = 0.1716*count - 59.20, count>500.62# Ch_2_lo = 0.06519*count - 2.632, count<503.00# Ch_2_hi = 0.1920*count - 66.44, count>503.00# Ch_3_lo = 0.03320*count - 1.395, count<500.85# Ch_3_hi = 0.2312*count - 100.58, count>500.85--------------------------------------------------------------------------------------Metop-C/3# Ch_1_lo = 0.05607*count - 2.263, count<498.68# Ch_1_hi = 0.1643*count - 56.22, count>498.68# Ch_2_lo = 0.06585*count - 2.696, count<500.01# Ch_2_hi = 0.1929*count - 66.23, count>500.01# Ch_3_lo = 0.03334*count - 1.353, count<498.72# Ch_3_hi = 0.2345*count - 101.70, count>498.72--------------------------------------------------------------------------------------NOAA-18 AVHRR# Ch_1_lo = 0.06133*count - 2.418, count<501.54# Ch_1_hi = 0.1828*count - 62.88, count>501.54# Ch_2_lo = 0.07551*count - 2.975, count<500.40# Ch_2_hi = 0.2266*count - 78.94, count>500.40-------------------------------------------------------------------------------------NOAA-19 AVHRR# Ch_1_lo = 0.05666*count - 2.203, count<496.43# Ch_1_hi = 0.1672*count - 57.46, count>496.43# Ch_2_lo = 0.06835*count - 2.651, count<500.37# Ch_2_hi = 0.2036*count - 70.29, count>500.37-------------------------------------------------------------------------------------- The first 1b files produced with the updated CPIDS were:NSS.HRPT.NN.D23346.S1058.E1106.B9567575.SVNSS.GHRR.NN.D23346.S1044.E1236.B9567576.SV NSS.HRPT.NP.D23346.S1052.E1100.B7651212.SVNSS.GHRR.NP.D23346.S1039.E1230.B7651213.SV For M3, M1 the first orbits processed will be the one running after orbit:NSS.HRPT.M1.D23346.S0916.E0926.B5828787.GCNSS.GHRR.M1.D23346.S1017.E1113.B5828788.SV NSS.HRPT.M3.D23346.S0829.E0840.B2644444.GCNSS.GHRR.M3.D23346.S0845.E1027.B2644445.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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