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* TOPIC:*   VISIBLE CALIBRATION UPDATE FOR MONTH OF JUNE 2024
*DATE/TIME ISSUED:*  JUNE 11 2024 2107Z
*PRODUCT(S) OR DATA IMPACTED:*  ALL PRODUCTS FROM CHANNELS 1, 2, AND 3A
*DATE/TIME OF INITIAL IMPACT:*  JUNE 11 2024 12:00 UTC
*DATE/TIME OF EXPECTED END:*  UNTIL NEXT MONTH`S COEFFICIENT UPDATE
*LENGTH OF OUTAGE:*   N/A
*DETAILS/SPECIFICS OF CHANGE:*ON 11 JUNE 2024 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 JUNE. THESE COEFFICIENTS ARE
INTENDED TO BE OPTIMAL ON JUNE 25, IN THE MIDDLE OF THE TWO SCHEDULED
UPDATES.

--------------------------------------------------------------------------------------
METOP-B/1
# CH_1_LO = 0.05801*COUNT -  2.285, COUNT<500.62
# CH_1_HI =  0.1719*COUNT -  59.28, COUNT>500.62
# CH_2_LO = 0.06546*COUNT -  2.643, COUNT<503.00
# CH_2_HI =  0.1928*COUNT -  66.71, COUNT>503.00
# CH_3_LO = 0.03325*COUNT -  1.397, COUNT<500.85
# CH_3_HI =  0.2316*COUNT - 100.74, COUNT>500.85
--------------------------------------------------------------------------------------
METOP-C/3
# CH_1_LO = 0.05620*COUNT -  2.269, COUNT<498.68
# CH_1_HI =  0.1647*COUNT -  56.36, COUNT>498.68
# CH_2_LO = 0.06655*COUNT -  2.725, COUNT<500.01
# CH_2_HI =  0.1950*COUNT -  66.94, COUNT>500.01
# CH_3_LO = 0.03341*COUNT -  1.356, COUNT<498.72
# CH_3_HI =  0.2351*COUNT - 101.93, COUNT>498.72
--------------------------------------------------------------------------------------
NOAA-18 AVHRR
# CH_1_LO = 0.06124*COUNT -  2.415, COUNT<501.54
# CH_1_HI =  0.1826*COUNT -  62.79, COUNT>501.54
# CH_2_LO = 0.07562*COUNT -  2.979, COUNT<500.40
# CH_2_HI =  0.2269*COUNT -  79.06, COUNT>500.40
-------------------------------------------------------------------------------------
NOAA-19 AVHRR
# CH_1_LO = 0.05664*COUNT -  2.202, COUNT<496.43
# CH_1_HI =  0.1671*COUNT -  57.43, COUNT>496.43
# CH_2_LO = 0.06807*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.D24163.S1142.E1146.B9824646.SVNSS.GHRR.NN.D24163.S0955.E1146.B9824546.SV
NSS.HRPT.NP.D24163.S1212.E1216.B7908383.SVNSS.GHRR.NP.D24163.S1025.E1216.B7908283.SV

FOR M3, M1 THE FIRST ORBITS PROCESSED WILL BE THE ONE RUNNING AFTER ORBIT:
NSS.HRPT.M1.D24163.S0809.E0820.B6087272.GCNSS.GHRR.M1.D24163.S1007.E1058.B6087373.MM

NSS.HRPT.M3.D24163.S0905.E0915.B2903030.GCNSS.GHRR.M3.D24163.S0921.E1102.B2903031.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 NOTICESHTTP://WWW.SSD.NOAA.GOV/PS/SATS/MESSAGES.HTML - ALL
USER NOTICESHTTP://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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