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Administrative: NOAA-18, 19, MetOp-B/1, & MetOp-C/3 AVHRR, Monthly Visible Calibration Update, 10 January 2023 - Issued: 10 January 2023 1923Z

Subject: Administrative: NOAA-18, 19, MetOp-B/1, & MetOp-C/3 AVHRR, Monthly Visible Calibration Update, 10 January 2023 - Issued: 10 January 2023 1923Z

From: Trusted NESDIS NSOF Sender - NOAA Service Account

Date: 1/10/2023, 2:23 PM

To: espc.notification@noaa.gov

Topic:   Visible calibration update for month of January 2023 

Date/Time Issued:  January 10 2023 1923Z

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

Date/Time of Initial Impact:  January 10 2023 12:00Z

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

Length of Outage:   N/A

Details/Specifics of Change:

On 10 January 2023 at approximately 12:00 UTC, the following update of the calibration coefficients was implemented in the level 1B processing for NOAA-18, NOAA-19, MetOp-B/1, and MetOp-C/3 for the month of January. These coefficients are intended to be optimal on January 28, in the middle of the two scheduled updates.

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

Metop-B/1

# Ch_1_lo = 0.05777*count -  2.275, count<500.62

# Ch_1_hi =  0.1712*count -  59.04, count>500.62

# Ch_2_lo = 0.06476*count -  2.615, count<503.00

# Ch_2_hi =  0.1908*count -  66.00, count>503.00

# Ch_3_lo = 0.03311*count -  1.391, count<500.85

# Ch_3_hi =  0.2306*count - 100.31, count>500.85

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

Metop-C/3

# Ch_1_lo = 0.05581*count -  2.253, count<498.68

# Ch_1_hi =  0.1635*count -  55.97, count>498.68

# Ch_2_lo = 0.06454*count -  2.643, count<500.01

# Ch_2_hi =  0.1891*count -  64.92, count>500.01

# Ch_3_lo = 0.03315*count -  1.345, count<498.72

# Ch_3_hi =  0.2332*count - 101.12, count>498.72

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

NOAA-18 AVHRR

# Ch_1_lo = 0.06136*count -  2.419, count<501.54

# Ch_1_hi =  0.1830*count -  62.92, count>501.54

# Ch_2_lo = 0.07524*count -  2.964, count<500.40

# Ch_2_hi =  0.2258*count -  78.66, count>500.40

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

NOAA-19 AVHRR

# Ch_1_lo = 0.05639*count -  2.192, count<496.43

# Ch_1_hi =  0.1664*count -  57.18, count>496.43

# Ch_2_lo = 0.06806*count -  2.640, count<500.37

# Ch_2_hi =  0.2027*count -  69.99, count>500.37

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

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

NSS.HRPT.NN.D23010.S1424.E1430.B9093232.MI

NSS.GHRR.NN.D23010.S1410.E1557.B9093233.WI

NSS.HRPT.NP.D23010.S1310.E1325.B7176969.WI

NSS.GHRR.NP.D23010.S1108.E1303.B7176869.WI

For M3, M1 the first orbits processed will be the one running after orbit:

NSS.HRPT.M1.D23010.S0830.E0841.B5351313.GC

NSS.GHRR.M1.D23010.S1027.E1118.B5351414.MM

NSS.HRPT.M3.D23010.S0924.E0933.B2167171.GC

NSS.GHRR.M3.D23010.S0939.E1119.B2167172.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 and 301-817-3880

Web Site(s) for applicable information: N/A
 
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