Topic:
Visible calibration update for month of May 2008
Date/Time(UTC) Message Issued:
13 May 2008, 2130 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:
13 May 2008, Time 1600 UTC
Details/Specifics of Change:
NOAA-16, NOAA-17, NOAA-18, and MetOp-2 visible calibration update was performed on May 13 around 1600 UTC. The first data processed after the update were:
NSS.HRPT.NL.D08134.S1557.E1612.B3939090.EB
NSS.GHRR.NL.D08134.S1357.E1544.B3938990.GC
NSS.HRPT.NM.D08134.S1532.E1546.B3058989.MI
NSS.GHRR.NM.D08134.S1339.E1527.B3058889.WI
NSS.LHRR.NM.D08134.S1018.E1029.B3058686.WI
NSS.HRPT.NN.D08134.S1607.E1615.B1536060.WI
NSS.GHRR.NN.D08134.S1432.E1606.B1535960.WI
NSS.LHRR.NN.D08134.S1557.E1603.B1536060.WI
For M2, the first orbit processed will be the one running after orbit:
NCS.FRAC.M2.D08134.S1452.E1459.B0812525.SV
********* Original Message **********
Followings are the updates of AVHRR calibration coefficients for May 2008. The updates are recommended on May 13. These coefficients are intended to be optimal on May 27, in the middle of the two scheduled updates.
Metop-A/2
Ch_1_lo = 0.05287*count - 2.138, count<501.00
Ch_1_hi = 0.1562*count - 53.92, count>501.00
Ch_2_lo = 0.06162*count - 2.449, count<500.00
Ch_2_hi = 0.1830*count - 63.20, count>500.00
Ch_3_lo = 0.03075*count - 1.264, count<502.00
Ch_3_hi = 0.2136*count - 93.04, count>502.00
NOAA-18 AVHRR
Ch_1_lo = 0.05331*count - 2.102, count<501.00
Ch_1_hi = 0.1589*count - 54.66, count>501.00
Ch_2_lo = 0.06090*count - 2.399, count<500.00
Ch_2_hi = 0.1827*count - 63.67, count>500.00
NOAA-17 AVHRR
Ch_1_lo = 0.05602*count - 2.242, count<501.12
Ch_1_hi = 0.1645*count - 56.58, count>501.12
Ch_2_lo = 0.06742*count - 2.647, count<500.73
Ch_2_hi = 0.2007*count - 69.48, count>500.73
Ch_3_lo = 0.03260*count - 1.374, count<501.37
Ch_3_hi = 0.2285*count - 99.78, count>501.37
NOAA-16 AVHRR
Ch_1_lo = 0.05630*count - 2.171, count<498.96
Ch_1_hi = 0.1643*count - 55.85, count>498.96
Ch_2_lo = 0.06130*count - 2.315, count<500.16
Ch_2_hi = 0.1806*count - 61.98, 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
http://www.oso.noaa.gov/poes/index.htm - SOCC polar satellite status
*******************************************
*
* Emily D. Harrod
* NOAA/NESDIS/OSDPD/IPD
* Computer Operations Branch
* Pre-Product Processing Group
* E/SP11, NSOF, room 1460
* 5200 Auth Road
* Suitland, Maryland 20746-4304
* USA
* voice 301-817-3882
* fax 301-817-4436
* email Emily.Harrod@noaa.gov
*
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