Topic: Visible calibration update for month of November 2021
Date/Time Issued: November 9, 2021 1825Z
Product(s) or Data Impacted: All products from channels 1, 2, and 3a
Date/Time of Initial Impact: November 9, 2021 1200Z
Date/Time of Expected End: Until Next Month's Coefficient Update
Length of Outage: N/A
Details/Specifics of Change:
On 9 November 2021 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 November. These coefficients are intended to be optimal on November 27, in the middle of the two scheduled updates.
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Metop-B/1
Ch_1_lo = 0.05739*count - 2.260, count<500.62
Ch_1_hi = 0.1700*count - 58.66, count>500.62
Ch_2_lo = 0.06442*count - 2.601, count<503.00
Ch_2_hi = 0.1898*count - 65.65, count>503.00
Ch_3_lo = 0.03292*count - 1.383, count<500.85
Ch_3_hi = 0.2293*count - 99.73, count>500.85
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Metop-C/3
Ch_1_lo = 0.05517*count - 2.227, count<498.68
Ch_1_hi = 0.1617*count - 55.33, count>498.68
Ch_2_lo = 0.06374*count - 2.610, count<500.01
Ch_2_hi = 0.1868*count - 64.12, count>500.01
Ch_3_lo = 0.03276*count - 1.329, count<498.72
Ch_3_hi = 0.2305*count - 99.95, count>498.72
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NOAA-18 AVHRR
Ch_1_lo = 0.06166*count - 2.431, count<501.54
Ch_1_hi = 0.1838*count - 63.22, count>501.54
Ch_2_lo = 0.07535*count - 2.969, count<500.40
Ch_2_hi = 0.2261*count - 78.77, count>500.40
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NOAA-19 AVHRR
Ch_1_lo = 0.05582*count - 2.170, count<496.43
Ch_1_hi = 0.1647*count - 56.61, count>496.43
Ch_2_lo = 0.06675*count - 2.589, count<500.37
Ch_2_hi = 0.1988*count - 68.64, count>500.37
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The first 1b files produced with the updated CPIDS were:
NSS.HRPT.NN.D21313.S1421.E1435.B8490303.WI
NSS.GHRR.NN.D21313.S1225.E1420.B8490203.WI
NSS.HRPT.NP.D21313.S1206.E1221.B6574040.WI
NSS.GHRR.NP.D21313.S1004.E1159.B6573940.WI
For M3, M2 & M1 the first orbits processed will be the one running after orbit:
NSS.HRPT.M1.D21313.S0906.E0916.B4744747.GC
NSS.FRAC.M1.D21313.S1007.E1103.B4744748.SV
NSS.HRPT.M3.D21313.S0816.E0828.B1560404.GC
NSS.FRAC.M3.D21313.S0833.E1015.B1560405.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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