Topic:
Visible calibration update for month of May 2009
Date/Time(UTC) Message Issued:
13 May 2009, 1340 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:
12 May 2009, Time 1321 UTC
Details/Specifics of Change
On 12 May at approximately 1321UTC, the visible calibration update was completed.
For NL/NM/NN/NP, the first orbits processed after the update were:
NSS.HRPT.NL.D09132.S1303.E1311.B4452727.WI
NSS.GHRR.NL.D09132.S1114.E1302.B4452627.WI
NSS.HRPT.NM.D09132.S1440.E1454.B3576969.WI
NSS.GHRR.NM.D09132.S1250.E1440.B3576869.WI
NSS.HRPT.NN.D09132.S1304.E1318.B2049292.GC
NSS.GHRR.NN.D09132.S1116.E1303.B2049192.GC
NSS.LHRR.NN.D09132.S1246.E1258.B2049292.GC
NSS.HRPT.NP.D09132.S1224.E1238.B0134040.GC
NSS.GHRR.NP.D09132.S1036.E1223.B0133940.GC
For M2, the first orbit processed will be the one running after orbit:
NSS.FRAC.M2.D09132.S1038.E1220.B1329495.SV
********************************* Original Message *************************************
The following update of the calibration coefficients are recommended for Metop-A/2, NOAA-18/17/16 on May 12. These coefficients are intended to be optimal on May 26, in the middle of the two scheduled updates.
NOAA-16 AVHRR
Ch_1_lo = 0.05706*count - 2.200, count<498.96
Ch_1_hi = 0.1665*count - 56.60, count>498.96
Ch_2_lo = 0.06241*count - 2.357, count<500.16
Ch_2_hi = 0.1839*count - 63.10, count>500.16
*******************************************************
NOAA-17 AVHRR
Ch_1_lo = 0.05633*count - 2.254, count<501.12
Ch_1_hi = 0.1654*count - 56.90, count>501.12
Ch_2_lo = 0.06789*count - 2.666, count<500.73
Ch_2_hi = 0.2021*count - 69.97, count>500.73
Ch_3_lo = 0.03300*count - 1.391, count<501.37
Ch_3_hi = 0.2314*count - 101.01, count>501.37
*******************************************************
NOAA-18 AVHRR
Ch_1_lo = 0.05366*count - 2.116, count<501.54
Ch_1_hi = 0.1600*count - 55.02, count>501.54
Ch_2_lo = 0.06175*count - 2.433, count<500.40
Ch_2_hi = 0.1853*count - 64.56, count>500.40
*******************************************************
NOAA-19 AVHRR
Ch_1_lo = 0.05114*count - 1.988, count < 496.43
Ch1_hi = 0.1509*count-51.86, count > 496.43
Ch2_lo = 0.05600*count - 2.172, count <500.37
Ch2_hi = 0.16680*count - 57.58, count > 500.37
Ch3a_lo = 0.03057*count - 1.224, count < 496.11
Ch3a_hi = 0.21150*count-91.69, count > 496.11
********************************************************
Metop-A/2
Ch_1_lo = 0.05332*count - 2.156, count<501.01
Ch_1_hi = 0.1576*count - 54.38, count>501.01
Ch_2_lo = 0.06353*count - 2.525, count<500.42
Ch_2_hi = 0.1887*count - 65.15, count>500.42
Ch_3_lo = 0.03193*count - 1.312, count<501.94
Ch_3_hi = 0.2218*count - 96.60, count>501.94
********************************************************
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