Topic:
Visible calibration update for month of July 2009 complete
Date/Time(UTC) Message Issued:
14 July 2009, 1445 UTC
Satellite(s) Involved:
NOAA-16, 17, 18, 19, & MetOp-2/A
Instrument(s) Involved:
AVHRR
Product(s) Involved/Affected:
All Products from channels 1, 2, and 3a.
Date/Time(UTC) of Initial Implementation:
14 July 2009, Time 1234 UTC
Details/Specifics of Change:
On 14 July 2009 around 1234 UTC, the AVHRR visible calibration coefficients updates for the month of July 2009 were placed in operations. The first orbits processed will be:
NSS.HRPT.NL.D09195.S1226.E1238.B4541616.MI
NSS.GHRR.NL.D09195.S1223.E1357.B4541617.GC
NSS.GHRR.NM.D09195.S0803.E0958.B3666263.WI
NSS.HRPT.NM.D09195.S1658.E1712.B3666767.MO
NSS.HRPT.NN.D09195.S1344.E1358.B2138181.GC
NSS.GHRR.NN.D09195.S1156.E1343.B2138081.GC
NSS.HRPT.NP.D09195.S1324.E1338.B0222929.GC
NSS.GHRR.NP.D09195.S1133.E1323.B0222829.GC
NSS.LHRR.NP.D09195.S1307.E1318.B0222929.GC
For M2, the first orbit processed will be the one running after orbit:
NSS.FRAC.M2.D09195.S0853.E1035.B1418889.SV
******************************* Original Message ***********************************
The following update of the calibration coefficients are recommended for NOAA-16/17/18/19, and METOP-A/2 on 14 July. These coefficients are intended to be optimal on 28 July, in the middle of the two scheduled update.
NOAA-19 AVHRR
Ch_1_lo = 0.05076*count - 1.973, count<496.43
Ch_1_hi = 0.1498*count - 51.47, count>496.43
Ch_2_lo = 0.05494*count - 2.131, count<500.37
Ch_2_hi = 0.16364*count - 56.49, count>500.37
*********************************************************
NOAA-18 AVHRR
Ch_1_lo = 0.05383*count - 2.123, count<501.54
Ch_1_hi = 0.1605*count - 55.20, count>501.54
Ch_2_lo = 0.06196*count - 2.441, count<500.40
Ch_2_hi = 0.1859*count - 64.78, count>500.40
*********************************************************
NOAA-17 AVHRR
Ch_1_lo = 0.05648*count - 2.260, count<501.12
Ch_1_hi = 0.1658*count - 57.05, count>501.12
Ch_2_lo = 0.06799*count - 2.670, count<500.73
Ch_2_hi = 0.2024*count - 70.07, count>500.73
Ch_3_lo = 0.03309*count - 1.395, count<501.37
Ch_3_hi = 0.2320*count - 101.27, count>501.37
********************************************************
NOAA-16 AVHRR
Ch_1_lo = 0.05719*count - 2.205, count<498.96
Ch_1_hi = 0.1669*count - 56.73, count>498.96
Ch_2_lo = 0.06260*count - 2.365, count<500.16
Ch_2_hi = 0.1844*count - 63.30, count>500.16
********************************************************
Metop-A/2
Ch_1_lo = 0.05350*count - 2.163, count<501.01
Ch_1_hi = 0.1581*count - 54.56, count>501.01
Ch_2_lo = 0.06318*count - 2.511, count<500.42
Ch_2_hi = 0.1876*count - 64.79, count>500.42
Ch_3_lo = 0.03204*count - 1.317, count<501.94
Ch_3_hi = 0.2225*count - 96.93, count>501.94
Contact Person(s) Name/Email/Phone Number for Questions:
Emily Harrod Emily.Harrod@noaa.gov 301-817-3882 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