Subject: Administrative: NOAA-16, 18, 19, MetOp-A/2 & MetOp-B/1, AVHRR, Monthly Visible Calibration Update, 12 February 2013 - Issued: February 12, 2013 1400 UTC
Topic: Visible calibration update for month of February 2013
Date/Time Issued: February 12, 2013 14:00 UTC
Product(s) or Data Impacted: All products from channels 1, 2, and 3a
Date/Time of Initial Impact: February 12, 2013 14:00 UTC
Date/Time of Expected End: Until Next Month's Coefficient Update
Length of Outage: N/A
Details/Specifics of Change:
On 12 February 2013 at approximately 13:00 UTC, the following update of the calibration coefficients was implemented in the level 1B processing for NOAA-16, NOAA-18, NOAA-19, MetOp-A/2 and MetOp-B/1 for the month of February. These coefficients are intended to be optimal on 26 February, in the middle of the two scheduled updates.
NOAA-16 AVHRR
Ch_1_lo = 0.06009*count - 2.317, count<498.96
Ch_1_hi = 0.1754*count - 59.61, count>498.96
Ch_2_lo = 0.06698*count - 2.530, count<500.16
Ch_2_hi = 0.1973*count - 67.73, count>500.16
NOAA-18 AVHRR
Ch_1_lo = 0.05635*count - 2.222, count<501.54
Ch_1_hi = 0.1680*count - 57.78, count>501.54
Ch_2_lo = 0.06544*count - 2.578, count<500.40
Ch_2_hi = 0.1963*count - 68.41, count>500.40
NOAA-19 AVHRR
Ch_1_lo = 0.05188*count - 2.017, count<496.43
Ch_1_hi = 0.1530*count - 52.60, count>496.43
Ch_2_lo = 0.05901*count - 2.288, count<500.37
Ch_2_hi = 0.1758*count - 60.68, count>500.37
MetOp-A/2
Ch_1_lo = 0.05513*count - 2.229, count<501.01
Ch_1_hi = 0.1629*count - 56.23, count>501.01
Ch_2_lo = 0.06611*count - 2.628, count<500.42
Ch_2_hi = 0.1964*count - 67.80, count>500.42
Ch_3_lo = 0.03303*count - 1.357, count<501.94
Ch_3_hi = 0.2294*count - 99.93, count>501.94
MetOp-B/1
Ch_1_lo = 0.051413*count – 2.02493, count<500.62
Ch_1_hi = 0.152321 *count – 52.5442, count>500.62
Ch_2_lo = 0.05639*count –2.277, count<503.00
Ch_2_hi = 0.166113 *count –57.467, count>503.00
Ch_3_lo = 0.028812*count –1.21029, count<500.85
Ch_3_hi = 0.200615 *count – 87.2594, count>500.85
For NL/NN/NP, the first orbits processed were:
NSS.GHRR.NL.D13043.S0805.E1000.B6389596.WI
NSS.HRPT.NL.D13043.S1519.E1532.B6389999.WI
NSS.HRPT.NN.D13043.S1329.E1343.B3984747.GC
NSS.GHRR.NN.D13043.S1155.E1328.B3984647.GC
NSS.HRPT.NP.D13043.S1147.E1202.B2069090.EB
NSS.GHRR.NP.D13043.S0947.E1134.B2068990.GC
NSS.LHRR.NP.D13043.S1121.E1125.B2069090.GC
For MetOp-A/2, the first orbit processed was the one running after orbit:
NCS.FRAC.M2.D13043.S1136.E____.B32786__.SV
NCS.FRAC.M1.D13043.S1003.E____.B02099__.SV
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Dejiang.Han Dejiang.Han@noaa.gov
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