Administrative: NOAA-18, 19, MetOp-A/2 & MetOp-B/1, AVHRR, Monthly Visible Calibration Update, 09 June 2015 - Issued: June 09, 2015 1950 UTC

Subject: Administrative: NOAA-18, 19, MetOp-A/2 & MetOp-B/1, AVHRR, Monthly Visible Calibration Update, 09 June 2015 - Issued: June 09, 2015 1950 UTC

Topic: Visible calibration update for month of June 2015

Date/Time Issued: June 09,2015 1950 UTC

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

Date/Time of Initial Impact: June 09, 2015 1420 UTC

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

Length of Outage: N/A

Details/Specifics of Change:

On June 09 2015 at approximately 14:20 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 June. These coefficients are intended to be optimal on June 27, in the middle of the two scheduled updates.

Metop-B/1

Ch_1_lo = 0.05427*count - 2.137, count<500.62
Ch_1_hi = 0.1608*count - 55.46, count>500.62

Ch_2_lo = 0.06034*count - 2.437, count<503.00
Ch_2_hi = 0.1778*count - 61.50, count>503.00

Ch_3_lo = 0.03113*count - 1.308, count<500.85
Ch_3_hi = 0.2168*count - 94.30, count>500.85

Metop-A/2

Ch_1_lo = 0.05562*count - 2.249, count<501.01
Ch_1_hi = 0.1644*count - 56.73, count>501.01

Ch_2_lo = 0.06749*count - 2.683, count<500.42
Ch_2_hi = 0.2005*count - 69.22, count>500.42

Ch_3_lo = 0.03345*count - 1.375, count<501.94
Ch_3_hi = 0.2323*count - 101.20, count>501.94

NOAA-18 AVHRR

Ch_1_lo = 0.05847*count - 2.305, count<501.54
Ch_1_hi = 0.1743*count - 59.95, count>501.54

Ch_2_lo = 0.06825*count - 2.689, count<500.40
Ch_2_hi = 0.2048*count - 71.35, count>500.40

NOAA-19 AVHRR

Ch_1_lo = 0.05258*count - 2.044, count<496.43
Ch_1_hi = 0.1551*count - 53.31, count>496.43

Ch_2_lo = 0.05980*count - 2.319, count<500.37
Ch_2_hi = 0.1781*count - 61.49, count>500.37

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

NSS.HRPT.NP.D15160.S1425.E1438.B3264242.GC
NSS.GHRR.NP.D15160.S1237.E1424.B3264142.GC
NSS.LHRR.NP.D15160.S1702.E1711.B3264343.WI

NSS.HRPT.NN.D15160.S1523.E1529.B5180101.GC
NSS.GHRR.NN.D15160.S1348.E1521.B5180001.GC

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

NSS.HRPT.M1.D15160.S1309.E1318.B1413434.WI
NSS.FRAC.M1.D15160.S1301.E1352.B1413434.MM

NSS.HRPT.M2.D15160.S1401.E1409.B4482121.MI
NSS.FRAC.M2.D15160.S1027.E1207.B4481920.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

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