Topic:   Visible calibration update for month of May 2022

 

Date/Time Issued:  May 10, 2022 1616Z

 

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

 

Date/Time of Initial Impact:  May 10 2022 12:00 UTC

 

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

 

Length of Outage:   N/A

 

Details/Specifics of Change: On 10 May 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 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 = 0.05757*count -  2.267, count<500.62

# Ch_1_hi =  0.1706*count -  58.83, count>500.62

# Ch_2_lo = 0.06452*count -  2.605, count<503.00

# Ch_2_hi =  0.1901*count -  65.75, count>503.00

# Ch_3_lo = 0.03302*count -  1.387, count<500.85

# Ch_3_hi =  0.2300*count - 100.03, count>500.85

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

Metop-C/3

# Ch_1_lo = 0.05555*count -  2.243, count<498.68

# Ch_1_hi =  0.1628*count -  55.71, count>498.68

# Ch_2_lo = 0.06404*count -  2.622, count<500.01

# Ch_2_hi =  0.1876*count -  64.41, count>500.01

# Ch_3_lo = 0.03294*count -  1.337, count<498.72

# Ch_3_hi =  0.2318*count - 100.50, count>498.72

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

NOAA-18 AVHRR

# Ch_1_lo = 0.06155*count -  2.427, count<501.54

# Ch_1_hi =  0.1835*count -  63.11, 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 = 0.05606*count -  2.179, count<496.43

# Ch_1_hi =  0.1654*count -  56.84, count>496.43

# Ch_2_lo = 0.06729*count -  2.610, count<500.37

# Ch_2_hi =  0.2004*count -  69.19, count>500.37

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

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

NSS.HRPT.NN.D22130.S1500.E1507.B8747373.MI

NSS.GHRR.NN.D22130.S1301.E1454.B8747273.WI

 

NSS.HRPT.NP.D22130.S1307.E1323.B6831010.WI

NSS.GHRR.NP.D22130.S1116.E1307.B6830910.WI

 

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

NSS.HRPT.M1.D22130.S0941.E0949.B5003333.GC

NSS.GHRR.M1.D22130.S1041.E1137.B5003334.SV

 

NSS.HRPT.M3.D22130.S0852.E0902.B1819090.GC

NSS.GHRR.M3.D22130.S0908.E1049.B1819091.SV

 

Contact Person(s) Name/Email/Phone Number for Questions:

Dejiang.Han Dejiang.Han@noaa.gov <mailto:Dejiang.Han@noaa.gov> 301-817-4119 operations support

Xiangqian Wu Xiangqian.Wu@noaa.gov <mailto: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

 

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

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