From: Trusted NESDIS NSOF Sender - NOAA Service Account
Date: 2/9/2021, 2:15 PM
To: espc.notification@noaa.gov
Topic: Visible calibration update for month of February 2021
Date/Time Issued: February 09 2021 19:15 UTC
Product(s) or Data Impacted: All products from channels 1, 2, and 3a
Date/Time of Initial Impact: February 09 2021 13:38 UTC
Date/Time of Expected End: Until Next Month's Coefficient Update
Length of Outage: N/A
Details/Specifics of Change:
On 09 February 2021 at approximately 13:38 UTC, the following update of the calibration coefficients was implemented in the level 1B processing for NOAA-18, NOAA-19, MetOp-A/2, MetOp-B/1, and MetOp-C/3 for the month of February. These coefficients are intended to be optimal on February 23, in the middle of the two scheduled updates.
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Metop-B/1
Ch_1_lo = 0.05713*count - 2.250, count<500.62
Ch_1_hi = 0.1693*count - 58.39, count>500.62
Ch_2_lo = 0.06424*count - 2.594, count<503.00
Ch_2_hi = 0.1892*count - 65.46, count>503.00
Ch_3_lo = 0.03284*count - 1.380, count<500.85
Ch_3_hi = 0.2288*count - 99.50, count>500.85
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Metop-A/2
Ch_1_lo = 0.05721*count - 2.313, count<501.01
Ch_1_hi = 0.1691*count - 58.35, count>501.01
Ch_2_lo = 0.07209*count - 2.866, count<500.42
Ch_2_hi = 0.2141*count - 73.94, count>500.42
Ch_3_lo = 0.03513*count - 1.444, count<501.94
Ch_3_hi = 0.2440*count - 106.28, count>501.94
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Metop-C/3
Ch_1_lo = 0.05502*count - 2.221, count<498.68
Ch_1_hi = 0.1612*count - 55.18, count>498.68
Ch_2_lo = 0.06384*count - 2.614, count<500.01
Ch_2_hi = 0.1870*count - 64.21, count>500.01
Ch_3_lo = 0.03250*count - 1.319, count<498.72
Ch_3_hi = 0.2287*count - 99.14, count>498.72
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NOAA-18 AVHRR
Ch_1_lo = 0.06168*count - 2.432, count<501.54
Ch_1_hi = 0.1839*count - 63.24, count>501.54
Ch_2_lo = 0.07496*count - 2.953, count<500.40
Ch_2_hi = 0.2249*count - 78.37, count>500.40
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NOAA-19 AVHRR
Ch_1_lo = 0.05547*count - 2.156, count<496.43
Ch_1_hi = 0.1636*count - 56.25, count>496.43
Ch_2_lo = 0.06596*count - 2.558, count<500.37
Ch_2_hi = 0.1965*count - 67.83, count>500.37
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The first 1b files produced with the updated CPIDS were:
NSS.HRPT.NN.D21040.S1450.E1505.B8104949.WI
NSS.GHRR.NN.D21040.S1303.E1451.B8104849.WI
NSS.HRPT.NP.D21040.S1340.E1351.B6188787.WI
NSS.GHRR.NP.D21040.S1153.E1340.B6188687.WI
For M3, M2 & M1 the first orbits processed will be the one running after orbit:
NSS.HRPT.M1.D21040.S0812.E0824.B4356868.GC
NSS.FRAC.M1.D21040.S1150.E1241.B4357070.MM
NSS.HRPT.M2.D21040.S0507.E0512.B7425353.MO
NSS.FRAC.M2.D21040.S1036.E1216.B7425657.SV
NSS.HRPT.M3.D21040.S0907.E0917.B1172626.GC
NSS.FRAC.M3.D21040.S0923.E1104.B1172627.SV
Contact Person(s) Name/Email/Phone Number for Questions:
Dejiang.Han Dejiang.Han@noaa.gov
Xiangqian Wu Xiangqian.Wu@noaa.gov
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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ppp@nesdis.noaa.gov
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