Subject: Administrative: NOAA-16, 18, 19, & MetOp-A/2, AVHRR, Monthly Visible Calibration Update, 11 December 2012 - Issued: December 11, 2012 2030 UTC
Topic: Visible calibration update for month of December 2012
Date/Time Issued: December 11, 2012 20:30 UTC
Product(s) or Data Impacted: All products from channels 1, 2, and 3a
Date/Time of Initial Impact: December 11, 2012 18:25 UTC
Date/Time of Expected End: Until Next Month's Coefficient Update
Length of Outage: N/A
Details/Specifics of Change:
On 11 December 2012 at approximately 18:25 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 December. These coefficients are intended to be optimal on 25 December, in the middle of the two scheduled updates.
NOAA-16 AVHRR
Ch_1_lo = 0.05995*count - 2.311, count<498.96
Ch_1_hi = 0.1750*count - 59.47, count>498.96
Ch_2_lo = 0.06675*count - 2.522, count<500.16
Ch_2_hi = 0.1967*count - 67.50, count>500.16
NOAA-18 AVHRR
Ch_1_lo = 0.05624*count - 2.218, count<501.54
Ch_1_hi = 0.1677*count - 57.67, count>501.54
Ch_2_lo = 0.06511*count - 2.565, count<500.40
Ch_2_hi = 0.1954*count - 68.07, count>500.40
NOAA-19 AVHRR
Ch_1_lo = 0.05172*count - 2.010, count<496.43
Ch_1_hi = 0.1526*count - 52.44, count>496.43
Ch_2_lo = 0.05870*count - 2.276, count<500.37
Ch_2_hi = 0.1748*count - 60.36, count>500.37
MetOp-A/2
Ch_1_lo = 0.05503*count - 2.225, count<501.01
Ch_1_hi = 0.1626*count - 56.12, count>501.01
Ch_2_lo = 0.06586*count - 2.618, count<500.42
Ch_2_hi = 0.1956*count - 67.55, count>500.42
Ch_3_lo = 0.03296*count - 1.354, count<501.94
Ch_3_hi = 0.2289*count - 99.71, count>501.94
For NL/NN/NP, the first orbits processed were:
NSS.HRPT.NL.D12346.S1809.E1821.B6301111.EB
NSS.GHRR.NL.D12346.S1809.E1935.B6301112.GC
NSS.HRPT.NN.D12346.S1944.E1959.B3896161.MI
NSS.GHRR.NN.D12346.S1951.E2140.B3896263.GC
NSS.HRPT.NP.D12346.S1914.E1927.B1980606.WI
NSS.GHRR.NP.D12346.S1726.E1913.B1980406.WI
NSS.LHRR.NP.D12346.S1858.E1910.B1980506.WI
For MetOp-A/2, the first orbit processed was the one running after orbit:
NCS.FRAC.M2.D12346.S1735.E1825.B3189595.MM
Contact Person(s) Name/Email/Phone Number for Questions:
Dejiang.Han Dejiang.Han@noaa.gov
Xiangqian Wu Xiangqian.Wu@noaa.gov
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
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