Administrative: NOAA-16, 18, 19, & MetOp-A/2, AVHRR, Monthly Visible Calibration Update, 9 October 2012 - Issued: October 9, 2012 1550 UTC

Subject: Administrative: NOAA-16, 18, 19, & MetOp-A/2, AVHRR, Monthly Visible Calibration Update, 9 October 2012 - Issued: October 9, 2012 1550 UTC

Topic: Visible calibration update for month of October 2012
Date/Time Issued: October 9, 2012 1550 UTC
Product(s) or Data Impacted: All products from channels 1, 2, and 3a
Date/Time of Initial Impact: October 9, 2012 1300 UTC
Date/Time of Expected End: Until Next Month's Coefficient Update
Length of Outage: N/A
Details/Specifics of Change:
On 9 October 2012 at approximately 13:00 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 October. These coefficients are intended to be optimal on 27 October, in the middle of the two scheduled updates.
NOAA-16 AVHRR
Ch_1_lo = 0.05981*count - 2.306, count<498.96
Ch_1_hi = 0.1746*count - 59.33, count>498.96
Ch_2_lo = 0.06655*count - 2.514, count<500.16
Ch_2_hi = 0.1961*count - 67.29, count>500.16
NOAA-18 AVHRR
Ch_1_lo = 0.05611*count - 2.212, count<501.54
Ch_1_hi = 0.1673*count - 57.53, count>501.54
Ch_2_lo = 0.06483*count - 2.554, count<500.40
Ch_2_hi = 0.1945*count - 67.78, count>500.40
NOAA-19 AVHRR
Ch_1_lo = 0.05158*count - 2.005, count<496.43
Ch_1_hi = 0.1522*count - 52.31, count>496.43
Ch_2_lo = 0.05846*count - 2.267, count<500.37
Ch_2_hi = 0.1741*count - 60.12, count>500.37
MetOp-A/2
Ch_1_lo = 0.05499*count - 2.223, count<501.01
Ch_1_hi = 0.1625*count - 56.08, 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 = 0.03294*count - 1.353, count<501.94
Ch_3_hi = 0.2288*count - 99.65, count>501.94
For NL/NN/NP, the first orbits processed were:
NSS.GHRR.NL.D12283.S0823.E1018.B6211617.WI
NSS.HRPT.NL.D12283.S1358.E1413.B6211919.MI

NSS.HRPT.NN.D12283.S0544.E0558.B3806464.CF
NSS.GHRR.NN.D12283.S0618.E0811.B3806566.WI

NSS.HRPT.NP.D12283.S0537.E0550.B1890909.WI
NSS.GHRR.NP.D12283.S0334.E0530.B1890809.WI
NSS.LHRR.NP.D12283.S0508.E0515.B1890909.WI
For MetOp-A/2, the first orbit processed was the one running after orbit:
NCS.FRAC.M2.D12283.S0229.E0318.B3099191.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
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