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Administrative: NOAA-18, 19, MetOp-A/2 & MetOp-B/1, AVHRR, Monthly Visible Calibration Update, 08 August 2017 : Issued: August 8, 2017 1520Z

Subject: Administrative: NOAA-18, 19, MetOp-A/2 & MetOp-B/1, AVHRR, Monthly Visible Calibration Update, 08 August 2017 : Issued: August 8, 2017 1520Z
From: ESPCOperations
Date: 8/8/2017 11:21 AM
To: _NESDIS OSDPD ESPC OUTAGE Notification

Topic: Visible calibration update for month of August 2017

Date/Time Issued: August 08, 2017 1520Z

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

Date/Time of Initial Impact: August 08, 2017 13:03Z

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

Length of Event: N/A

Details/Specifics of Change:

On August 08, 2017 at approximately 13:03 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 August 26, in the middle of the two scheduled updates.

Metop-B/1

Ch_1_lo = 0.05581*count - 2.198, count<500.62

Ch_1_hi = 0.1653*count - 57.04, count>500.62

Ch_2_lo = 0.06233*count - 2.517, count<503.00

Ch_2_hi = 0.1836*count - 63.52, count>503.00


Ch_3_lo = 0.03217*count - 1.352, count<500.85

Ch_3_hi = 0.2241*count - 97.47, count>500.85

-------------------------------------------------------------------------

Metop-A/2

Ch_1_lo = 0.05611*count - 2.269, count<501.01

Ch_1_hi = 0.1658*count - 57.22, count>501.01


Ch_2_lo = 0.06940*count - 2.759, count<500.42

Ch_2_hi = 0.2061*count - 71.18, count>500.42


Ch_3_lo = 0.03414*count - 1.403, count<501.94

Ch_3_hi = 0.2371*count - 103.28, count>501.94

-------------------------------------------------------------------------

NOAA-18 AVHRR

Ch_1_lo = 0.06036*count - 2.380, count<501.54

Ch_1_hi = 0.1800*count - 61.89, count>501.54


Ch_2_lo = 0.07092*count - 2.794, count<500.40

Ch_2_hi = 0.2128*count - 74.15, count>500.40

-------------------------------------------------------------------------

NOAA-19 AVHRR

Ch_1_lo = 0.05371*count - 2.088, count<496.43

Ch_1_hi = 0.1584*count - 54.46, count>496.43


Ch_2_lo = 0.06227*count - 2.415, count<500.37

Ch_2_hi = 0.1855*count - 64.03, count>500.37

-------------------------------------------------------------------------

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

NSS.GHRR.NN.D17220.S1534.E1700.B6296667.GC

NSS.HRPT.NN.D17220.S1207.E1220.B6296464.MI


NSS.HRPT.NP.D17220.S1347.E1400.B4380505.GC

NSS.GHRR.NP.D17220.S1200.E1346.B4380405.GC

NSS.LHRR.NP.D17220.S1259.E1305.B4380404.GC


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

NSS.HRPT.M1.D17220.S0816.E0827.B2536969.GC

NSS.FRAC.M1.D17220.S1059.E1154.B2537071.SV


NSS.HRPT.M2.D17220.S0531.E0535.B5603636.MO

NSS.FRAC.M2.D17220.S0919.E1101.B5605657.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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ppp@nesdis.noaa.gov

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