Administrative: NOAA-16, 18, 19, & MetOp-A/2, AVHRR, Monthly Visible Calibration Update, 10 January 2012 - Issued: January 10, 2012 1417 UTC

Subject: Administrative: NOAA-16, 18, 19, & MetOp-A/2, AVHRR, Monthly Visible Calibration Update, 10 January 2012 - Issued: January 10, 2012 1417 UTC

Topic:  Visible calibration update for month of January 2012.
Date/Time Issued:  January 10, 2012 1400 UTC
Product(s) or Data Impacted:  All products from channels 1, 2, and 3a.
Date/Time of Initial Impact: January 10, 2012 1248 UTC
Date/Time of Expected End:   Until Next Month's Coefficient Update
Length of Outage: N/A
Details/Specifics of Change:
On 10 January 2012 at approximately 12:48 UTC, the following update of the calibration coefficients was implemented in the level 1B processing for NOAA-16/18/19 and MetOp-A/2 for the month of January. These coefficients are intended to be optimal on 28 January, in the middle of the two scheduled updates.
NOAA-16 AVHRR
   Ch_1_lo = 0.05919*count -  2.282, count<498.96
   Ch_1_hi =  0.1728*count -  58.71, count>498.96
   Ch_2_lo = 0.06560*count -  2.478, count<500.16
   Ch_2_hi =  0.1933*count -  66.33, count>500.16
NOAA-18 AVHRR
   Ch_1_lo = 0.05551*count -  2.188, count<501.54
   Ch_1_hi =  0.1655*count -  56.91, count>501.54
   Ch_2_lo = 0.06378*count -  2.513, count<500.40
   Ch_2_hi =  0.1914*count -  66.68, count>500.40
NOAA-19 AVHRR
   Ch_1_lo = 0.05139*count -  1.998, count<496.43
   Ch_1_hi =  0.1516*count -  52.11, count>496.43
   Ch_2_lo = 0.05766*count -  2.236, count<500.37
   Ch_2_hi =  0.1717*count -  59.29, count>500.37
MetOp-A/2
   Ch_1_lo = 0.05489*count -  2.219, count<501.01
   Ch_1_hi =  0.1622*count -  55.98, count>501.01
   Ch_2_lo = 0.06568*count -  2.611, count<500.42
   Ch_2_hi =  0.1951*count -  67.36, count>500.42
   Ch_3_lo = 0.03283*count -  1.349, count<501.94
   Ch_3_hi =  0.2280*count -  99.33, count>501.94
For NL/NN/NP, the first orbits processed were:
   NSS.HRPT.NL.D12010.S1322.E1337.B5826464.MI
  NSS.GHRR.NL.D12010.S1315.E1459.B5826465.WI

NSS.HRPT.NN.D12010.S1250.E1304.B3421717.EB
NSS.GHRR.NN.D12010.S1238.E1417.B3421718.GC

NSS.HRPT.NP.D12010.S1338.E1352.B1506363.GC
NSS.GHRR.NP.D12010.S1150.E1337.B1506263.GC
NSS.LHRR.NP.D12010.S1321.E1333.B1506363.GC

For MetOp-A/2, the first orbit processed was the one running after orbit:
  NCS.FRAC.M2.D12010.S1146.E1237.B2711818.MM
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 301-763-8136 x 138 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 and/or other contacts as necessary