From: Trusted NESDIS NSOF Sender - NOAA Service Account
Date: 4/14/2020, 11:38 AM
To: espc.notification@noaa.gov
Topic: Visible calibration update for month of April 2020
Date/Time Issued: April 14, 2020 1540Z
Product(s) or Data Impacted: All products from channels 1, 2, and 3a
Date/Time of Initial Impact: April 14, 2020 12:00Z
Date/Time of Expected End: Until Next Month's Coefficient Update
Length of Outage: N/A
Details/Specifics of Change:
On 14 April 2020 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-A/2, MetOp-B/1, and MetOp-C/3 for the month of April. These coefficients are intended to be optimal on April 28, in the middle of the two scheduled updates.
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Metop-B/1
Ch_1_lo = 0.05692*count - 2.242, count<500.62
Ch_1_hi = 0.1686*count - 58.17, count>500.62
Ch_2_lo = 0.06393*count - 2.582, count<503.00
Ch_2_hi = 0.1883*count - 65.15, count>503.00
Ch_3_lo = 0.03275*count - 1.376, count<500.85
Ch_3_hi = 0.2281*count - 99.23, count>500.85
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Metop-A/2
Ch_1_lo = 0.05689*count - 2.300, count<501.01
Ch_1_hi = 0.1681*count - 58.02, count>501.01
Ch_2_lo = 0.07135*count - 2.836, count<500.42
Ch_2_hi = 0.2119*count - 73.18, count>500.42
Ch_3_lo = 0.03489*count - 1.434, count<501.94
Ch_3_hi = 0.2423*count - 105.55, count>501.94
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Metop-C/3
Ch_1_lo = 0.05493*count - 2.218, count<498.68
Ch_1_hi = 0.1610*count - 55.09, count>498.68
Ch_2_lo = 0.06287*count - 2.574, count<500.01
Ch_2_hi = 0.1842*count - 63.23, count>500.01
Ch_3_lo = 0.03223*count - 1.308, count<498.72
Ch_3_hi = 0.2268*count - 98.33, count>498.72
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NOAA-18 AVHRR
Ch_1_lo = 0.06286*count - 2.479, count<501.54
Ch_1_hi = 0.1874*count - 64.45, count>501.54
Ch_2_lo = 0.07453*count - 2.936, count<500.40
Ch_2_hi = 0.2236*count - 77.92, count>500.40
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NOAA-19 AVHRR
Ch_1_lo = 0.05509*count - 2.141, count<496.43
Ch_1_hi = 0.1625*count - 55.86, count>496.43
Ch_2_lo = 0.06512*count - 2.525, count<500.37
Ch_2_hi = 0.1940*count - 66.96, count>500.37
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The first 1b files produced with the updated CPIDS were:
NSS.HRPT.NN.D20105.S1349.E1404.B7679999.WI
NSS.GHRR.NN.D20105.S1155.E1349.B7679899.WI
NSS.HRPT.NP.D20105.S1205.E1219.B5763737.WI
NSS.GHRR.NP.D20105.S1012.E1205.B5763637.WI
For M3, M2 & M1 the first orbits processed will be the one running after orbit:
NSS.HRPT.M1.D20105.S0841.E0852.B3929292.GC
NSS.FRAC.M1.D20105.S1038.E1129.B3929393.MM
NSS.HRPT.M2.D20105.S0535.E0540.B6997777.MO
NSS.FRAC.M2.D20105.S0923.E1104.B6997980.SV
NSS.HRPT.M3.D20105.S0935.E0944.B0745050.GC
NSS.FRAC.M3.D20105.S0809.E0950.B0744950.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