Topic:   Visible calibration update for month of February 2021

 

Date/Time Issued:  February 09 2021 19:15 UTC

 

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

 

Date/Time of Initial Impact:  February 09 2021 13:38 UTC

 

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

 

Length of Outage:   N/A

 

 

On 09 February 2021 at approximately 13:38 UTC, the following update of the calibration coefficients was implemented in the level 1B processing for NOAA-18, NOAA-19, MetOp-A/2, MetOp-B/1, and MetOp-C/3 for the month of February. These coefficients are intended to be optimal on February 23, in the middle of the two scheduled updates.

 

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

Metop-B/1

Ch_1_lo = 0.05713*count -  2.250, count<500.62

Ch_1_hi =  0.1693*count -  58.39, count>500.62

Ch_2_lo = 0.06424*count -  2.594, count<503.00

Ch_2_hi =  0.1892*count -  65.46, count>503.00

Ch_3_lo = 0.03284*count -  1.380, count<500.85

Ch_3_hi =  0.2288*count -  99.50, count>500.85

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

Metop-A/2

Ch_1_lo = 0.05721*count -  2.313, count<501.01

Ch_1_hi =  0.1691*count -  58.35, count>501.01

Ch_2_lo = 0.07209*count -  2.866, count<500.42

Ch_2_hi =  0.2141*count -  73.94, count>500.42

Ch_3_lo = 0.03513*count -  1.444, count<501.94

Ch_3_hi =  0.2440*count - 106.28, count>501.94

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

Metop-C/3

Ch_1_lo = 0.05502*count -  2.221, count<498.68

Ch_1_hi =  0.1612*count -  55.18, count>498.68

Ch_2_lo = 0.06384*count -  2.614, count<500.01

Ch_2_hi =  0.1870*count -  64.21, count>500.01

Ch_3_lo = 0.03250*count -  1.319, count<498.72

Ch_3_hi =  0.2287*count -  99.14, count>498.72

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

NOAA-18 AVHRR

Ch_1_lo = 0.06168*count -  2.432, count<501.54

Ch_1_hi =  0.1839*count -  63.24, count>501.54

Ch_2_lo = 0.07496*count -  2.953, count<500.40

Ch_2_hi =  0.2249*count -  78.37, count>500.40

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

NOAA-19 AVHRR

Ch_1_lo = 0.05547*count -  2.156, count<496.43

Ch_1_hi =  0.1636*count -  56.25, count>496.43

Ch_2_lo = 0.06596*count -  2.558, count<500.37

Ch_2_hi =  0.1965*count -  67.83, count>500.37

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

 

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

NSS.HRPT.NN.D21040.S1450.E1505.B8104949.WI

NSS.GHRR.NN.D21040.S1303.E1451.B8104849.WI

 

NSS.HRPT.NP.D21040.S1340.E1351.B6188787.WI

NSS.GHRR.NP.D21040.S1153.E1340.B6188687.WI

 

For M3, M2 & M1 the first orbits processed will be the one running after orbit:

NSS.HRPT.M1.D21040.S0812.E0824.B4356868.GC

 

 

NSS.HRPT.M3.D21040.S0907.E0917.B1172626.GC

 

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

 

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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