Topic:
Visible calibration update for month of October 2009
Date/Time(UTC) Message Issued:
13 October 2009, 1930 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:
13 October 2009, Time 1201 UTC
Details/Specifics of Change:
On 13 October 2009 at approximately 1201 UTC the AVHRR visible calibration coefficients for the month of October were updated in the level 1B processing.
For NL/NM/NN/NP, the first orbits processed will be:
NSS.HRPT.NL.D09286.S1253.E1305.B4670101.WI
NSS.GHRR.NL.D09286.S1105.E1252.B4670001.WI
NSS.HRPT.NM.D09286.S1457.E1511.B3796161.WI
NSS.GHRR.NM.D09286.S1308.E1456.B3796061.WI
NSS.HRPT.NN.D09286.S1248.E1302.B2266464.GC
NSS.GHRR.NN.D09286.S1100.E1247.B2266364.GC
NSS.HRPT.NP.D09286.S1256.E1310.B0351212.GC
NSS.GHRR.NP.D09286.S1108.E1255.B0351112.GC
NSS.LHRR.NP.D09286.S1238.E1250.B0351212.GC
For M2, the first orbit processed will be the one running after orbit:
NCS.FRAC.M2.D09286.S0730.E0912.B1548081.SV
**************************************************************************************************
The following update of the calibration coefficients are recommended for NOAA-16/17/18/19, METOP-A/2 on October 13. These coefficients are intended to be optimal October 27, in the middle of the two scheduled updates.
NOAA-16 AVHRR
Ch_1_lo = 0.05738*count - 2.212, count<498.96
Ch_1_hi = 0.1675*count - 56.92, count>498.96
Ch_2_lo = 0.06289*count - 2.375, count<500.16
Ch_2_hi = 0.1853*count - 63.59, count>500.16
*************************************************************************************************************
The following update of the calibration coefficients are recommended for NOAA-16/17/18/19, METOP-A/2 on October 13. These coefficients are intended to be optimal October 27, in the middle of the two scheduled updates.
NOAA-17 AVHRR
Ch_1_lo = 0.05666*count - 2.268, count<501.12
Ch_1_hi = 0.1664*count - 57.23, count>501.12
Ch_2_lo = 0.06825*count - 2.680, count<500.73
Ch_2_hi = 0.2032*count - 70.34, count>500.73
Ch_3_lo = 0.03323*count - 1.401, count<501.37
Ch_3_hi = 0.2329*count - 101.70, count>501.37
********************************************************************************************************************
The following update of the calibration coefficients are recommended for NOAA-16/17/18/19, METOP-A/2 on October 13. These coefficients are intended to be optimal October 27, in the middle of the two scheduled updates.
NOAA-18 AVHRR
Ch_1_lo = 0.05396*count - 2.128, count<501.54
Ch_1_hi = 0.1609*count - 55.33, count>501.54
Ch_2_lo = 0.06210*count - 2.447, count<500.40
Ch_2_hi = 0.1863*count - 64.93, count>500.40
***********************************************************************************************************************
The following update of the calibration coefficients are recommended for NOAA-16/17/18/19, METOP-A/2 on October 13. These coefficients are intended to be optimal October 27, in the middle of the two scheduled updates.
NOAA-19 AVHRR
Ch_1_lo = 0.05081*count - 1.975, count<496.43
Ch_1_hi = 0.1499*count - 51.52, count>496.43
Ch_2_lo = 0.06049*count - 2.346, count<500.37
Ch_2_hi = 0.18017*count - 62.20, count>500.37
***************************************************************************************************************************
The following update of the calibration coefficients are recommended for NOAA-16/17/18/19, METOP-A/2 on October 13. These coefficients are intended to be optimal October 27, in the middle of the two scheduled updates.
Metop-A/2
Ch_1_lo = 0.05375*count - 2.173, count<501.01
Ch_1_hi = 0.1588*count - 54.82, count>501.01
Ch_2_lo = 0.06357*count - 2.527, count<500.42
Ch_2_hi = 0.1888*count - 65.20, count>500.42
Ch_3_lo = 0.03218*count - 1.323, count<501.94
Ch_3_hi = 0.2235*count - 97.37, count>501.94
******************************************************************************************************************************
Contact Person(s) Name/Email/Phone Number for Questions:
Vince Tabor Vincent.Tabor@noaa.gov 301-817-4552 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