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Administrative: NOAA-18, 19, MetOp-B/1, & MetOp-C/3 AVHRR, Monthly Visible Calibration Update April 2022 - Issued: April 12, 2022 1825z

Subject: Administrative: NOAA-18, 19, MetOp-B/1, & MetOp-C/3 AVHRR, Monthly Visible Calibration Update April 2022 - Issued: April 12, 2022 1825z

From: Trusted NESDIS NSOF Sender - NOAA Service Account

Date: 4/12/2022, 2:25 PM

To: espc.notification@noaa.gov

Topic: Visible calibration update for month of April 2022

Date/Time Issued:  April 12, 2022 1825Z

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

Date/Time of Initial Impact:  April 12 2022 12:00Z

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

Length of Outage:   N/A

Details/Specifics of Change:

On 12 April 2022 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 April. These coefficients are intended to be optimal on April 26, in the middle of the two scheduled updates.

 

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

Metop-B/1

# Ch_1_lo = 0.05754*count -  2.266, count<500.62

# Ch_1_hi =  0.1705*count -  58.81, count>500.62

# Ch_2_lo = 0.06457*count -  2.607, count<503.00

# Ch_2_hi =  0.1902*count -  65.80, count>503.00

# Ch_3_lo = 0.03301*count -  1.387, count<500.85

# Ch_3_hi =  0.2299*count - 100.01, count>500.85

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

Metop-C/3

# Ch_1_lo = 0.05553*count -  2.242, count<498.68

# Ch_1_hi =  0.1627*count -  55.69, count>498.68

# Ch_2_lo = 0.06415*count -  2.627, count<500.01

# Ch_2_hi =  0.1880*count -  64.53, count>500.01

# Ch_3_lo = 0.03294*count -  1.336, count<498.72

# Ch_3_hi =  0.2317*count - 100.48, count>498.72

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

NOAA-18 AVHRR

# Ch_1_lo = 0.06156*count -  2.427, count<501.54

# Ch_1_hi =  0.1835*count -  63.12, count>501.54

# Ch_2_lo = 0.07519*count -  2.962, count<500.40

# Ch_2_hi =  0.2256*count -  78.61, count>500.40

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

NOAA-19 AVHRR

# Ch_1_lo = 0.05602*count -  2.178, count<496.43

# Ch_1_hi =  0.1653*count -  56.80, count>496.43

# Ch_2_lo = 0.06719*count -  2.606, count<500.37

# Ch_2_hi =  0.2001*count -  69.10, count>500.37

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

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

NSS.HRPT.NN.D22102.S1533.E1539.B8707878.MI

NSS.GHRR.NN.D22102.S1341.E1529.B8707778.WI

 

NSS.HRPT.NP.D22102.S1157.E1211.B6791414.WI

NSS.GHRR.NP.D22102.S0955.E1150.B6791314.WI

 

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

NSS.HRPT.M1.D22102.S0919.E0929.B4963535.GC

NSS.GHRR.M1.D22102.S1020.E1116.B4963536.SV

 

NSS.HRPT.M3.D22102.S0831.E0842.B1779292.GC

NSS.GHRR.M3.D22102.S0847.E1029.B1779293.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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