Topic: Visible calibration update for month of July 2022
Date/Time Issued: July 12 2022 1809Z 
Product(s) or Data Impacted: All products from channels 1, 2, and 3a
Date/Time of Initial Impact: July 12 2022 12:00 UTC
Date/Time of Expected End: Until Next Month's Coefficient Update
Length of Outage: N/A
Details/Specifics of Change:
On 12 July 2022 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
July. These coefficients are intended to be optimal on July 26, in the middle of the two scheduled updates.
--------------------------------------------------------------------------------------
Metop-B/1
# Ch_1_lo = 0.05763*count - 2.270, count<500.62
# Ch_1_hi = 0.1707*count - 58.90, count>500.62
# Ch_2_lo = 0.06456*count - 2.607, count<503.00
# Ch_2_hi = 0.1902*count - 65.79, count>503.00
# Ch_3_lo = 0.03304*count - 1.388, count<500.85
# Ch_3_hi = 0.2302*count - 100.11, count>500.85
--------------------------------------------------------------------------------------
Metop-C/3
# Ch_1_lo = 0.05567*count - 2.248, count<498.68
# Ch_1_hi = 0.1631*count - 55.83, count>498.68
# Ch_2_lo = 0.06416*count - 2.627, count<500.01
# Ch_2_hi = 0.1880*count - 64.53, count>500.01
# Ch_3_lo = 0.03301*count - 1.339, count<498.72
# Ch_3_hi = 0.2322*count - 100.70, count>498.72
--------------------------------------------------------------------------------------
NOAA-18 AVHRR
# Ch_1_lo = 0.06153*count - 2.426, count<501.54
# Ch_1_hi = 0.1834*count - 63.09, count>501.54
# Ch_2_lo = 0.07531*count - 2.967, count<500.40
# Ch_2_hi = 0.2260*count - 78.73, count>500.40
-------------------------------------------------------------------------------------
NOAA-19 AVHRR
# Ch_1_lo = 0.05615*count - 2.182, count<496.43
# Ch_1_hi = 0.1656*count - 56.93, count>496.43
# Ch_2_lo = 0.06756*count - 2.620, count<500.37
# Ch_2_hi = 0.2012*count - 69.47, count>500.37
--------------------------------------------------------------------------------------

The first 1b files produced with the updated CPIDS were:
NSS.HRPT.NN.D22193.S1542.E1557.B8836363.WI
NSS.GHRR.NN.D22193.S1350.E1541.B8836263.WI
NSS.HRPT.NP.D22193.S1225.E1239.B6919999.WI
NSS.GHRR.NP.D22193.S1023.E1218.B6919899.WI
For M3, M1 the first orbits processed will be the one running after orbit:
NSS.HRPT.M1.D22193.S0937.E0946.B5092828.GC
NSS.GHRR.M1.D22193.S1038.E1134.B5092829.SV
NSS.HRPT.M3.D22193.S0848.E0859.B1908585.GC
NSS.GHRR.M3.D22193.S0904.E1046.B1908586.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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