Administrative:NOAA-18 & 19, MetOp-A/2 & MetOp-B/1, AVHRR, Monthly Visible Calibration, Issued July 07, 2014 1710 UTC

Subject: Administrative:NOAA-18 & 19, MetOp-A/2 & MetOp-B/1, AVHRR, Monthly Visible Calibration, Issued July 07, 2014 1710 UTC

Topic:Visible calibration update for month of July 2014

Date/Time Issued: July 8, 2014 1710 UTC

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

Date/Time of Initial Impact: July 8, 2014 1440 UTC

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

Length of Outage: N/A

Details/Specifics of Change: On 8 July 2014 at approximately 14:40 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 August. These coefficients are intended to be optimal on June 26, in the middle of the two scheduled updates.

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Metop-B/1

Ch_1_lo = 0.05380*count - 2.119, count<500.62

Ch_1_hi = 0.1594*count - 54.99, count>500.62

Ch_2_lo = 0.06025*count - 2.433, count<503.00

Ch_2_hi = 0.1775*count - 61.40, count>503.00

Ch_3_lo = 0.03082*count - 1.295, count<500.85

Ch_3_hi = 0.2147*count - 93.37, count>500.85

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Metop-A/2

Ch_1_lo = 0.05550*count - 2.244, count<501.01

Ch_1_hi = 0.1640*count - 56.60, count>501.01

Ch_2_lo = 0.06708*count - 2.666, count<500.42

Ch_2_hi = 0.1992*count - 68.79, count>500.42

Ch_3_lo = 0.03332*count - 1.369, count<501.94

Ch_3_hi = 0.2314*count - 100.80, count>501.94

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NOAA-18 AVHRR

Ch_1_lo = 0.05770*count - 2.275, count<501.54

Ch_1_hi = 0.1720*count - 59.17, count>501.54

Ch_2_lo = 0.06717*count - 2.646, count<500.40

Ch_2_hi = 0.2015*count - 70.22, count>500.40

NOAA-19 AVHRR

Ch_1_lo = 0.05227*count - 2.032, count<496.43

Ch_1_hi = 0.1542*count - 53.00, count>496.43

Ch_2_lo = 0.05938*count - 2.303, count<500.37

Ch_2_hi = 0.1769*count - 61.06, count>500.37

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

NSS.GHRR.NN.D14189.S1534.E1712.B4705960.GC
NSS.HRPT.NN.D14189.S1545.E1557.B4706262.CF

NSS.GHRR.NP.D14189.S1250.E1437.B2780001.GC
NSS.LHRR.NP.D14189.S1240.E1251.B2790000.GC
NSS.HRPT.NP.D14189.S1438.E1451.B2790101.GC

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

NCS.HRPT.M1.D14161.S0633.E0633.B0895959.GC

NCS.FRAC.M2.D14161.S0917.E____.B39647__.SV

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