NOTICE: This version of the NSF Unidata web site (archive.unidata.ucar.edu) is no longer being updated.
Current content can be found at unidata.ucar.edu.
To learn about what's going on, see About the Archive Site.
NOTICE: This version of the NSF Unidata web site (archive.unidata.ucar.edu) is no longer being updated.
Current content can be found at unidata.ucar.edu.
To learn about what's going on, see About the Archive Site.
NOTE: The nws-changes mailing list is no longer active. The list archives are made available for historical reasons.
*Topic: *Visible calibration update for month of August 2008 *Date/Time(UTC) Message Issued:* 12 August 2008, 1530 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 August 2008, Time 1314 UTC *Details/Specifics of Change:*On 12 August, the planned AVHRR visible calibration file updates occurred around 1314Z First data to processed were: For NL/NM/NN, the first orbits processed will be:
NSS.GHRR.NL.D08225.S1115.E1257.B4067273.GC NSS.HRPT.NL.D08225.S1439.E1452.B4067474.GC NSS.HRPT.NM.D08225.S0801.E0815.B3187979.EB NSS.GHRR.NM.D08225.S0444.E0631.B3187879.GC NSS.LHRR.NM.D08225.S0708.E0712.B3187979.GC NSS.HRPT.NN.D08225.S1225.E1239.B1664141.EB NSS.LHRR.NN.D08225.S1124.E1130.B1664040.GC NSS.GHRR.NN.D08225.S1346.E1533.B1664243.GC For M2, the first orbit processed will be the one running after orbit: NCS.FRAC.M2.D08225.S0946.E1127.B0941516.SV The following update of the calibration coefficients for MetOp-A/NOAA-18/17/16 were performed on August 12. These coefficients are intended to be optimal on August 26, in the middle of the two scheduled updates. Metop-A/2 Ch_1_lo = 0.05295*count - 2.141, count<501.00 Ch_1_hi = 0.1565*count - 54.00, count>501.00 Ch_2_lo = 0.06269*count - 2.492, count<500.00 Ch_2_hi = 0.1862*count - 64.29, count>500.00 Ch_3_lo = 0.03159*count - 1.298, count<502.00 Ch_3_hi = 0.2194*count - 95.57, count>502.00 ************************************************************************ NOAA-18 AVHRR Ch_1_lo = 0.05330*count - 2.102, count<501.00 Ch_1_hi = 0.1589*count - 54.65, count>501.00 Ch_2_lo = 0.06085*count - 2.397, count<500.00 Ch_2_hi = 0.1826*count - 63.61, count>500.00 ************************************************************************ NOAA-17 AVHRR Ch_1_lo = 0.05608*count - 2.244, count<501.12 Ch_1_hi = 0.1646*count - 56.64, count>501.12 Ch_2_lo = 0.06737*count - 2.645, count<500.73 Ch_2_hi = 0.2005*count - 69.43, count>500.73 Ch_3_lo = 0.03274*count - 1.380, count<501.37 Ch_3_hi = 0.2295*count - 100.19, count>501.37 ********************************************************************** NOAA-16 AVHRR Ch_1_lo = 0.05649*count - 2.178, count<498.96 Ch_1_hi = 0.1649*count - 56.04, count>498.96 Ch_2_lo = 0.06157*count - 2.326, count<500.16 Ch_2_hi = 0.1814*count - 62.26, 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 -- Linda Miller - lmiller@xxxxxxxxxxxxxxxx Community Services, Unidata University Corporation for Atmospheric Research P.O. Box 3000 Boulder, CO 80307-3000303-497-8646 fax: 303-497-8690
nws-changes archives: