Administrative: NOAA-18, 19, MetOp-A/2 & MetOp-B/1, AVHRR, Monthly Visible Calibration Update March 16 2017 - Issued: March 16, 2017 1505Z

From: "ESPCOperations@noaa.gov" espcoperations@noaa.gov

Date: 3/16/2017 11:03 AM

To: _NESDIS OSDPD ESPC OUTAGE Notification

Topic: Visible calibration update for month of March 2017

Date/Time Issued: March 16, 2017 1505Z

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

Date/Time of Initial Impact: March 16, 2017 12:36Z

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

Length of Outage: N/A

Details/Specifics of Change:
On March 16, 2017 at approximately 12:36Z, 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 28, in the middle of the two scheduled updates.

Metop-B/1

Ch_1_lo = 0.05556*count - 2.188, count<500.62

Ch_1_hi = 0.1646*count - 56.79, count>500.62

Ch_2_lo = 0.06183*count - 2.497, count<503.00

Ch_2_hi = 0.1822*count - 63.02, count>503.00

Ch_3_lo = 0.03205*count - 1.347, count<500.85

Ch_3_hi = 0.2232*count - 97.09, count>500.85

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Metop-A/2

Ch_1_lo = 0.05601*count - 2.265, count<501.01

Ch_1_hi = 0.1655*count - 57.12, count>501.01

Ch_2_lo = 0.06916*count - 2.749, count<500.42

Ch_2_hi = 0.2054*count - 70.93, count>500.42

Ch_3_lo = 0.03391*count - 1.393, count<501.94

Ch_3_hi = 0.2355*count - 102.58, count>501.94

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NOAA-18 AVHRR

Ch_1_lo = 0.05999*count - 2.365, count<501.54

Ch_1_hi = 0.1789*count - 61.51, count>501.54

Ch_2_lo = 0.07040*count - 2.773, count<500.40

Ch_2_hi = 0.2112*count - 73.60, count>500.40

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NOAA-19 AVHRR

Ch_1_lo = 0.05341*count - 2.076, count<496.43

Ch_1_hi = 0.1576*count - 54.16, count>496.43

Ch_2_lo = 0.06165*count - 2.391, count<500.37

Ch_2_hi = 0.1836*count - 63.39, count>500.37

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

NSS.HRPT.NN.D17075.S1319.E1324.B6091818.WI

NSS.GHRR.NN.D17075.S1131.E1318.B6091718.WI

NSS.HRPT.NP.D17075.S1300.E1312.B4175858.GC

NSS.GHRR.NP.D17075.S1112.E1259.B4175758.GC

NSS.LHRR.NP.D17075.S1247.E1251.B4175858.GC

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

NSS.HRPT.M1.D17075.S0818.E0828.B2330909.GC

NSS.FRAC.M1.D17075.S1100.E1156.B2331011.SV

NSS.FRAC.M2.D17075.S0920.E1101.B5399697.SV

NSS.HRPT.M2.D17075.S0531.E0536.B5397676.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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