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*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.SVThe 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@xxxxxxxx <mailto:Emily.Harrod@xxxxxxxx> 301-817-3882 operations support Xiangqian Wu Xiangqian.Wu@xxxxxxxx <mailto:Xiangqian.Wu@xxxxxxxx> 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
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