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Administrative: NOAA-18, 19, Metop-B/1, Metop-A/2, AVHRR, Monthly Visible Calibration Update, 12 April 2016 - Issued: April 12, 2016 1615 UTC

Topic: Visible calibration update for month of April 2016


Date/Time Issued: April 12, 2016 1615 UTC


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


Date/Time of Initial Impact: April 12, 2016 1419 UTC


Date/Time of Expected End: Until Next Month's Coefficient Update


Length of Outage: N/A


Details/Specifics of Change: On April 12, 2016 at approximately 14:19 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 April. These coefficients are intended to be optimal on April 26, in the middle of the two scheduled updates.


Metop-B/1

Ch_1_lo = 0.05497*count - 2.165, count<500.62

Ch_1_hi = 0.1629*count - 56.18, count>500.62


Ch_2_lo = 0.06119*count - 2.471, count<503.00

Ch_2_hi = 0.1802*count - 62.35, count>503.00


Ch_3_lo = 0.03169*count - 1.332, count<500.85

Ch_3_hi = 0.2207*count - 96.02, count>500.85


Metop-A/2

Ch_1_lo = 0.05579*count - 2.256, count<501.01

Ch_1_hi = 0.1648*count - 56.90, count>501.01


Ch_2_lo = 0.06831*count - 2.715, count<500.42

Ch_2_hi = 0.2029*count - 70.06, count>500.42


Ch_3_lo = 0.03369*count - 1.384, count<501.94

Ch_3_hi = 0.2340*count - 101.92, count>501.94


NOAA-18 AVHRR

Ch_1_lo = 0.05918*count - 2.333, count<501.54

Ch_1_hi = 0.1764*count - 60.68, count>501.54


Ch_2_lo = 0.06925*count - 2.728, count<500.40

Ch_2_hi = 0.2078*count - 72.40, count>500.40


NOAA-19 AVHRR

Ch_1_lo = 0.05293*count - 2.058, count<496.43

Ch_1_hi = 0.1562*count - 53.68, count>496.43


Ch_2_lo = 0.06079*count - 2.357, count<500.37

Ch_2_hi = 0.1811*count - 62.51, count>500.37


The first 1b files produced with the updated CPIDS were:

NSS.HRPT.NN.D16103.S1318.E1329.B5614747.MO

NSS.GHRR.NN.D16103.S1505.E1631.B5614849.GC


NSS.HRPT.NP.D16103.S1510.E1524.B3698989.GC

NSS.GHRR.NP.D16103.S1322.E1509.B3698889.GC

NSS.LHRR.NP.D16103.S1747.E1757.B3699090.WI


For M2 & M1 the first orbits processed will be the one running after orbit:

NSS.HRPT.M1.D16103.S1340.E1348.B1851010.MI

NSS.FRAC.M1.D16103.S1232.E1326.B1850910.SV


NSS.FRAC.M2.D16103.S1053.E1235.B4919596.SV

NSS.HRPT.M2.D16103.S0525.E0530.B4919292.MO


Contact Person(s) Name/Email/Phone Number for Questions:

Dejiang.Han Dejiang.Han@noaa.gov 301-817-4119 operations support

Xiangqian Wu 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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ppp@nesdis.noaa.gov

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