Topic:
Visible calibration update for month of November 2008
Date/Time(UTC) Message Issued:
13 November 2008, 1350 UTC
Satellite(s) Involved:
NOAA-16, 17, 18, & 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:
12 November 2008, Time 1603 UTC
Details/Specifics of Change:
On November 13, 2008, around 1603 UTC, NOAA completed the November AVHRR visible calibration updates for NL/NM/NN, the first orbits processed will be:
NSS.HRPT.NL.D08317.S1655.E1708.B4197474.EB
NSS.GHRR.NL.D08317.S1644.E1822.B4197475.GC
NSS.HRPT.NM.D08317.S1626.E1637.B3319494.WI
NSS.GHRR.NM.D08317.S1438.E1625.B3319394.WI
NSS.LHRR.NM.D08317.S1556.E1605.B3319494.WI
NSS.HRPT.NN.D08317.S1615.E1628.B1794141.GC
NSS.GHRR.NN.D08317.S1429.E1615.B1794041.GC
NSS.LHRR.NN.D08317.S1531.E1540.B1794040.GC
For M2, the first orbit processed will be the one running after orbit:
NSS.FRAC.M2.D08317.S1303.E1444.B1072425.SV
The following update of the calibration coefficients for MetOp-2/A, NOAA-18, 17, &16 are recommended for November 12. These coefficients are intended to be optimal on November 25, 2008, in the middle of the two scheduled updates.
Metop-A/2
Ch_1_lo = 0.05297*count - 2.142, count<501.00
Ch_1_hi = 0.1565*count - 54.02, count>501.00
Ch_2_lo = 0.06283*count - 2.497, count<500.00
Ch_2_hi = 0.1866*count - 64.43, count>500.00
Ch_3_lo = 0.03161*count - 1.299, count<502.00
Ch_3_hi = 0.2196*count - 95.65, count>502.00
-----------------------------------------------------
NOAA-18 AVHRR
Ch_1_lo = 0.05344*count - 2.107, count<501.00
Ch_1_hi = 0.1593*count - 54.80, count>501.00
Ch_2_lo = 0.06140*count - 2.419, count<500.00
Ch_2_hi = 0.1842*count - 64.19, count>500.00
-----------------------------------------------------
NOAA-17 AVHRR
Ch_1_lo = 0.05615*count - 2.247, count<501.12
Ch_1_hi = 0.1649*count - 56.71, count>501.12
Ch_2_lo = 0.06756*count - 2.652, count<500.73
Ch_2_hi = 0.2011*count - 69.62, count>500.73
Ch_3_lo = 0.03280*count - 1.383, count<501.37
Ch_3_hi = 0.2299*count - 100.37, count>501.37
---------------------------------------------------
NOAA-16 AVHRR
Ch_1_lo = 0.05668*count - 2.185, count<498.96
Ch_1_hi = 0.1654*count - 56.22, count>498.96
Ch_2_lo = 0.06185*count - 2.336, count<500.16
Ch_2_hi = 0.1822*count - 62.54, count>500.16
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