Subject: Administrative: NOAA-18, 19, MetOp-A/2, MetOp-B/1, & MetOp-C/3 AVHRR, Monthly Visible Calibration Update, September 14, 2021 - Issued: September 14, 2021 1903Z
From: Trusted NESDIS NSOF Sender - NOAA Service Account
Date: 9/14/2021, 3:03 PM
To: espc.notification@noaa.gov
Topic: Visible calibration update for month of September 2021
Date/Time Issued: September 14, 2021 1903Z
Product(s) or Data Impacted: All products from channels 1, 2, and 3a
Date/Time of Initial Impact: September 14, 2021 1200Z
Date/Time of Expected End: Until Next Month's Coefficient Update
Length of Outage: N/A
Details/Specifics of Change:
On 14 September 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-A/2, MetOp-B/1, and MetOp-C/3 for the month of September. These coefficients are intended to be optimal on September 28, in the middle of the two scheduled updates.
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Metop-B/1
Ch_1_lo = 0.05735*count - 2.259, count<500.62
Ch_1_hi = 0.1699*count - 58.61, count>500.62
Ch_2_lo = 0.06437*count - 2.599, count<503.00
Ch_2_hi = 0.1896*count - 65.60, count>503.00
Ch_3_lo = 0.03291*count - 1.383, count<500.85
Ch_3_hi = 0.2292*count - 99.71, count>500.85
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Metop-A/2
Ch_1_lo = 0.05753*count - 2.326, count<501.01
Ch_1_hi = 0.1700*count - 58.67, count>501.01
Ch_2_lo = 0.07276*count - 2.892, count<500.42
Ch_2_hi = 0.2161*count - 74.62, count>500.42
Ch_3_lo = 0.03545*count - 1.457, count<501.94
Ch_3_hi = 0.2463*count - 107.26, count>501.94
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Metop-C/3
Ch_1_lo = 0.05521*count - 2.229, count<498.68
Ch_1_hi = 0.1618*count - 55.36, count>498.68
Ch_2_lo = 0.06354*count - 2.602, count<500.01
Ch_2_hi = 0.1862*count - 63.91, count>500.01
Ch_3_lo = 0.03274*count - 1.328, count<498.72
Ch_3_hi = 0.2303*count - 99.87, count>498.72
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NOAA-18 AVHRR
Ch_1_lo = 0.06172*count - 2.434, count<501.54
Ch_1_hi = 0.1840*count - 63.29, count>501.54
Ch_2_lo = 0.07533*count - 2.968, count<500.40
Ch_2_hi = 0.2260*count - 78.75, count>500.40
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NOAA-19 AVHRR
Ch_1_lo = 0.05575*count - 2.167, count<496.43
Ch_1_hi = 0.1645*count - 56.53, count>496.43
Ch_2_lo = 0.06658*count - 2.582, count<500.37
Ch_2_hi = 0.1983*count - 68.47, count>500.37
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The first 1b files produced with the updated CPIDS were:
NSS.HRPT.NN.D21257.S1525.E1530.B8411313.WI
NSS.GHRR.NN.D21257.S1148.E1343.B8411112.WI
NSS.HRPT.NP.D21257.S1302.E1317.B6495050.WI
NSS.GHRR.NP.D21257.S1109.E1302.B6494950.WI
For M3, M2 & M1 the first orbits processed will be the one running after orbit:
NSS.HRPT.M1.D21257.S0823.E0834.B4665151.GC
NSS.FRAC.M1.D21257.S1021.E1111.B4665252.MM
NSS.HRPT.M2.D21257.S0335.E0340.B7733535.MO
NSS.FRAC.M2.D21257.S0904.E1045.B7733839.SV
NSS.HRPT.M3.D21257.S0917.E0926.B1480909.GC
NSS.FRAC.M3.D21257.S0932.E1114.B1480910.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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