Topic: Visible calibration updates for month of January 2018

Date/Time Issued:January 9, 2018, 1633 UTC

Product(s) or Data Impacted: All products from channels 1, 2, and 3a

Date/Time of Initial Impact: January 9, 2018, 1506 UTC

Date/Time of Expected End: Until next month's Coefficient Update

Length of Outage: N/A

Details/Specifics of Change: On January 09, 2018 at approximately 15:06 UTC, the following update of the calibration coefficients was implemented in the level 1B processing for NOAA-18, NOAA-19, MetOp-A/2 and MetOp-B/1 for the month of January. These coefficients are intended to be optimal on January 27, in the middle of the two scheduled updates.
Metop-B/1
Ch_1_lo = 0.05598*count - 2.205, count<500.62
Ch_1_hi = 0.1659*count - 57.22, count>500.62
Ch_2_lo = 0.06242*count - 2.521, count<503.00
Ch_2_hi = 0.1839*count - 63.62, count>503.00
Ch_3_lo = 0.03231*count - 1.358, count<500.85
Ch_3_hi = 0.2250*count - 97.88, count>500.85
--------------------------------------------------------------------------------------
Metop-A/2
Ch_1_lo = 0.05619*count - 2.272, count<501.01
Ch_1_hi = 0.1660*count - 57.31, count>501.01
Ch_2_lo = 0.06958*count - 2.766, count<500.42
Ch_2_hi = 0.2067*count - 71.37, count>500.42
Ch_3_lo = 0.03423*count - 1.407, count<501.94
Ch_3_hi = 0.2378*count - 103.57, count>501.94
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NOAA-18 AVHRR
Ch_1_lo = 0.06074*count - 2.395, count<501.54
Ch_1_hi = 0.1811*count - 62.28, count>501.54
Ch_2_lo = 0.07147*count - 2.816, count<500.40
Ch_2_hi = 0.2144*count - 74.72, count>500.40
-------------------------------------------------------------------------------------
NOAA-19 AVHRR
Ch_1_lo = 0.05393*count - 2.096, count<496.43
Ch_1_hi = 0.1591*count - 54.69, count>496.43
Ch_2_lo = 0.06272*count - 2.432, count<500.37
Ch_2_hi = 0.1868*count - 64.49, count>500.37
The first 1b files produced with the updated CPIDS were:
NSS.HRPT.NN.D18009.S1402.E1414.B6513939.WI
NSS.GHRR.NN.D18009.S1544.E1718.B6514041.GC
NSS.HRPT.NP.D18009.S1438.E1453.B4597979.FI
NSS.LHRR.NP.D18009.S1156.E1202.B4597777.GC
NSS.GHRR.NP.D18009.S1419.E1605.B4597980.GC
For M2 & M1 the first orbits processed will be the one running after orbit:
NSS.HRPT.M1.D18009.S1354.E1408.B2756161.WI
NSS.FRAC.M1.D18009.S1347.E1439.B2756060.MM
NSS.FRAC.M2.D18009.S1111.E1251.B5824546.SV
NSS.HRPT.M2.D18009.S0542.E0547.B5824242.MO
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 and/or other contacts as necessary

Web Site(s) for applicable information: Enter applicable web site address/es as necessary