Correction: Metop-B/1, Metop-C/3, NOAA-18 AVHRR, NOAA-19 AVHRR
Topic: Visible calibration update for month of October 2024
Date/Time Issued: October 9, 2024 2315Z
Product(s) or Data Impacted: All products from channels 1, 2, and 3a
Date/Time of Initial Impact: October 8 2024 1200Z
Date/Time of Expected End: Until Next Month's Coefficient Update
Length of Outage: N/A
Details/Specifics of Change:
On 8 October 2024 at approximately 1200Z, 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 October. These coefficients are intended to be optimal on October 26, in the middle of the two scheduled updates.
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Metop-B/1
# Ch_1_lo = 0.05807*count - 2.287, count<500.62
# Ch_1_hi = 0.1720*count - 59.34, count>500.62
# Ch_2_lo = 0.06575*count - 2.655, count<503.00
# Ch_2_hi = 0.1937*count - 67.00, count>503.00
# Ch_3_lo = 0.03346*count - 1.406, count<500.85
# Ch_3_hi = 0.2330*count - 101.35, count>500.85
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Metop-C/3
# Ch_1_lo = 0.05629*count - 2.273, count<498.68
# Ch_1_hi = 0.1649*count - 56.45, count>498.68
# Ch_2_lo = 0.06706*count - 2.746, count<500.01
# Ch_2_hi = 0.1965*count - 67.45, count>500.01
# Ch_3_lo = 0.03354*count - 1.361, count<498.72
# Ch_3_hi = 0.2360*count - 102.32, count>498.72
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NOAA-18 AVHRR
# Ch_1_lo = 0.06131*count - 2.417, count<501.54
# Ch_1_hi = 0.1828*count - 62.86, count>501.54
# Ch_2_lo = 0.07580*count - 2.986, count<500.40
# Ch_2_hi = 0.2274*count - 79.25, count>500.40
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NOAA-19 AVHRR
# Ch_1_lo = 0.05661*count - 2.201, count<496.43
# Ch_1_hi = 0.1670*count - 57.41, count>496.43
# Ch_2_lo = 0.06832*count - 2.650, count<500.37
# Ch_2_hi = 0.2035*count - 70.25, count>500.37
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The first 1b files produced with the updated CPIDS were:
NSS.HRPT.NN.D24282.S1155.E1159.B9992727.SV
NSS.GHRR.NN.D24282.S1008.E1159.B9992627.SV
NSS.HRPT.NP.D24282.S1108.E1112.B8076363.SV
NSS.GHRR.NP.D24282.S0921.E1112.B8076263.SV
For M3, M1 the first orbits processed will be the one running after orbit:
NSS.HRPT.M1.D24282.S0850.E0900.B6256363.GC
NSS.GHRR.M1.D24282.S0951.E1046.B6256364.SV
NSS.HRPT.M3.D24282.S0802.E0814.B3072020.GC
NSS.GHRR.M3.D24282.S0820.E1001.B3072021.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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