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Administrative: NOAA-18, 19, MetOp-A/2 & MetOp-B/1, AVHRR, Monthly Visible Calibration Update, 9 December 2014 - Issued: December 9, 2014 1750 UTC

Topic: Visible calibration update for month of December 2014

Date/Time Issued: December 9, 2014 1750 UTC

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

Date/Time of Initial Impact: December 9, 2014 1643 UTC

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

Length of Outage: N/A

Details/Specifics of Change:

On December 9 2014 at approximately 16:43 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 December. These coefficients are intended to be optimal on December 27, in the middle of the two scheduled updates.

Metop-B/1

Ch_1_lo = 0.05356*count - 2.109, count<500.62
Ch_1_hi = 0.1587*count - 54.74, count>500.62

Ch_2_lo = 0.05943*count - 2.400, count<503.00
Ch_2_hi = 0.1751*count - 60.57, count>503.00

Ch_3_lo = 0.03085*count - 1.296, count<500.85
Ch_3_hi = 0.2149*count - 93.46, count>500.85

Metop-A/2

Ch_1_lo = 0.05547*count - 2.243, count<501.01
Ch_1_hi = 0.1639*count - 56.57, count>501.01

Ch_2_lo = 0.06713*count - 2.668, count<500.42
Ch_2_hi = 0.1994*count - 68.85, count>500.42

Ch_3_lo = 0.03337*count - 1.371, count<501.94
Ch_3_hi = 0.2318*count - 100.95, count>501.94

NOAA-18 AVHRR

Ch_1_lo = 0.05805*count - 2.289, count<501.54
Ch_1_hi = 0.1731*count - 59.52, count>501.54

Ch_2_lo = 0.06766*count - 2.666, count<500.40
Ch_2_hi = 0.2030*count - 70.74, count>500.40

NOAA-19 AVHRR

Ch_1_lo = 0.05238*count - 2.036, count<496.43
Ch_1_hi = 0.1545*count - 53.11, count>496.43

Ch_2_lo = 0.05941*count - 2.304, count<500.37
Ch_2_hi = 0.1769*count - 61.09, count>500.37

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

NSS.GHRR.NP.D14343.S1619.E1750.B3007576.WI
NSS.LHRR.NP.D14343.S1734.E1746.B3007576.WI
NSS.HRPT.NP.D14343.S1750.E1800.B3007676.MI

NSS.GHRR.NN.D14343.S1447.E1633.B4923233.GC
NSS.HRPT.NN.D14343.S1650.E1657.B4923333.EB

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

NCS.FRAC.M1.D14343.S1545.E____.B11550__.MM
NCS.HRPT.M1.D14343.S1557.E1609.B1155050.MI

NCS.FRAC.M2.D14343.S1453.E____.B42236__.SV
NCS.MHSH.M2.D14343.S1507.E1518.B4223636.MI

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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