Administrative: NOAA-18, 19, MetOp-A/2 & MetOp-B/1, AVHRR, Monthly Visible Calibration,Update, 14 May 2019 - Issued: May 14, 2019 1530Z

From: ESPCOperations

Date: 5/14/2019, 11:30 AM

To: _NESDIS OSPO ESPC OUTAGE Notification

Topic: Visible calibration update for month of May 2019

Date/Time Issued: May 14, 2019 1530Z

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

Date/Time of Initial Impact: May 14, 2019 1215Z

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

Length of Outage: N/A

Details/Specifics of Change:

On May 14, 2019 at approximately 12:15 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 May. These coefficients are intended to be optimal on May 28, in the middle of the two scheduled updates.

Metop-B/1
Ch_1_lo = 0.05646*count - 2.224, count<500.62
Ch_1_hi = 0.1673*count - 57.70, count>500.62
Ch_2_lo = 0.06321*count - 2.553, count<503.00
Ch_2_hi = 0.1862*count - 64.42, count>503.00
Ch_3_lo = 0.03269*count - 1.374, count<500.85
Ch_3_hi = 0.2277*count - 99.03, count>500.85
--------------------------------------------------------------------------------------
Metop-A/2
Ch_1_lo = 0.05646*count - 2.283, count<501.01
Ch_1_hi = 0.1669*count - 57.59, count>501.01
Ch_2_lo = 0.07035*count - 2.796, count<500.42
Ch_2_hi = 0.2089*count - 72.15, count>500.42
Ch_3_lo = 0.03457*count - 1.421, count<501.94
Ch_3_hi = 0.2401*count - 104.59, count>501.94
--------------------------------------------------------------------------------------
NOAA-18 AVHRR
Ch_1_lo = 0.06198*count - 2.444, count<501.54
Ch_1_hi = 0.1848*count - 63.55, count>501.54
Ch_2_lo = 0.07325*count - 2.886, count<500.40
Ch_2_hi = 0.2198*count - 76.58, count>500.40
-------------------------------------------------------------------------------------
NOAA-19 AVHRR
Ch_1_lo = 0.05467*count - 2.125, count<496.43
Ch_1_hi = 0.1613*count - 55.44, count>496.43
Ch_2_lo = 0.06420*count - 2.490, count<500.37
Ch_2_hi = 0.1912*count - 66.02, count>500.37
--------------------------------------------------------------------------------------

The first 1b files produced with the updated CPIDS were:
NSS.GHRR.NN.D19134.S1037.E1232.B7205455.WI
NSS.HRPT.NN.D19134.S1234.E1246.B7205555.WI

NSS.HRPT.NP.D19134.S1204.E1214.B5289494.WI
NSS.GHRR.NP.D19134.S1016.E1203.B5289394.WI
NSS.LHRR.NP.D19134.S1144.E1156.B5289494.WI

For M2 & M1 the first orbits processed will be the one running after orbit:
NSS.HRPT.M1.D19134.S0933.E0942.B3451919.GC
NSS.FRAC.M1.D19134.S1033.E1129.B3451920.SV

NSS.FRAC.M2.D19134.S0834.E1015.B6520506.SV
NSS.HRPT.M2.D19134.S0445.E0450.B6520303.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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