Topic: Visible calibration update for month of May 2017
Date/Time Issued: May 9, 2017 1501Z
Product(s) or Data Impacted: All products from channels 1, 2, and 3a
Date/Time of Initial Impact: May 9, 2017 1237 Z
Date/Time of Expected End: Until Next Month's Coefficient Update
Length of Outage: N/A
Details/Specifics of Change:
On May 9, 2017 at approximately 12:37 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 May. These coefficients are intended to be optimal on May 27, in the middle of the two scheduled updates.
Metop-B/1
Ch_1_lo = 0.05563*count - 2.191, count<500.62
Ch_1_hi = 0.1648*count - 56.85, count>500.62
Ch_2_lo = 0.06205*count - 2.506, count<503.00
Ch_2_hi = 0.1828*count - 63.23, count>503.00
Ch_3_lo = 0.03210*count - 1.349, count<500.85
Ch_3_hi = 0.2236*count - 97.26, count>500.85
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Metop-A/2
Ch_1_lo = 0.05604*count - 2.266, count<501.01
Ch_1_hi = 0.1656*count - 57.16, count>501.01
Ch_2_lo = 0.06918*count - 2.750, count<500.42
Ch_2_hi = 0.2055*count - 70.95, count>500.42
Ch_3_lo = 0.03396*count - 1.395, count<501.94
Ch_3_hi = 0.2358*count - 102.73, count>501.94
--------------------------------------------------------------------------------------
NOAA-18 AVHRR
Ch_1_lo = 0.06013*count - 2.371, count<501.54
Ch_1_hi = 0.1793*count - 61.66, count>501.54
Ch_2_lo = 0.07060*count - 2.782, count<500.40
Ch_2_hi = 0.2118*count - 73.81, count>500.40
-------------------------------------------------------------------------------------
NOAA-19 AVHRR
Ch_1_lo = 0.05353*count - 2.081, count<496.43
Ch_1_hi = 0.1579*count - 54.28, count>496.43
Ch_2_lo = 0.06187*count - 2.400, count<500.37
Ch_2_hi = 0.1843*count - 63.62, count>500.37
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The first 1b files produced with the updated CPIDS were:
NSS.HRPT.NP.D17129.S1245.E1257.B4252020.GC
NSS.GHRR.NP.D17129.S1057.E1244.B4251920.GC
NSS.LHRR.NP.D17129.S1156.E1202.B4251919.GC
NSS.HRPT.NN.D17129.S1254.E1308.B6168080.WI
NSS.GHRR.NN.D17129.S1107.E1254.B6167980.WI
For M2 & M1 the first orbits processed will be the one running after orbit:
NSS.HRPT.M1.D17129.S0943.E0951.B2407777.GC
NSS.FRAC.M1.D17129.S1042.E1138.B2407778.SV
NSS.FRAC.M2.D17129.S0902.E1044.B5476364.SV
NSS.HRPT.M2.D17129.S0514.E0519.B5474343.MO
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
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