Administrative: NOAA-18, 19, MetOp-A/2 & MetOp-B/1, AVHRR, Monthly Visible Calibration Update, 8 March 2016- Issued: March 8, 2016 1950Z

Topic: Visible calibration update for month of March 2016

Date/Time Issued: March 08, 2016 1950Z

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

Date/Time of Initial Impact: March 08, 2016 1552Z

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

Length of Outage: N/A

Details/Specifics of Change: On March 08, 2016 at approximately 15:52Z, 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 March. These coefficients are intended to be optimal on March 26, 2016, in the middle of the two scheduled updates.

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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 = 0.06107*count - 2.466, count<503.00

Ch_2_hi = 0.1799*count - 62.24, count>503.00

Ch_3_lo = 0.03165*count - 1.330, count<500.85

Ch_3_hi = 0.2204*count - 95.88, count>500.85

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Metop-A/2

Ch_1_lo = 0.05578*count - 2.255, count<501.01

Ch_1_hi = 0.1648*count - 56.88, count>501.01

Ch_2_lo = 0.06816*count - 2.709, count<500.42

Ch_2_hi = 0.2024*count - 69.90, count>500.42

Ch_3_lo = 0.03367*count - 1.384, count<501.94

Ch_3_hi = 0.2339*count - 101.88, count>501.94

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NOAA-18 AVHRR

Ch_1_lo = 0.05911*count - 2.330, count<501.54

Ch_1_hi = 0.1762*count - 60.61, count>501.54

Ch_2_lo = 0.06915*count - 2.724, count<500.40

Ch_2_hi = 0.2075*count - 72.29, count>500.40

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NOAA-19 AVHRR
Ch_1_lo = 0.05292*count - 2.057, count<496.43

Ch_1_hi = 0.1561*count - 53.66, count>496.43

Ch_2_lo = 0.06069*count - 2.354, count<500.37

Ch_2_hi = 0.1808*count - 62.41, count>500.37

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

For NN/NP the first orbits processed are:

NSS.GHRR.NN.D16068.S1446.E1633.B5565455.GC

NSS.HRPT.NN.D16068.S1634.E1648.B5565555.GC

NSS.HRPT.NP.D16068.S1645.E1657.B3649696.GC

NSS.GHRR.NP.D16068.S1458.E1644.B3649596.GC

NSS.LHRR.NP.D16068.S1753.E1804.B3649697.WI

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

NSS.HRPT.M1.D16068.S1404.E1414.B1801313.MI

NSS.FRAC.M1.D16068.S1436.E1530.B1801314.SV

NSS.FRAC.M2.D16068.S1259.E1439.B4869900.SV

NSS.HRPT.M2.D16068.S1451.E1502.B4870000.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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