Administrative, NOAA-16, 18, 19, & MetOp-2/A, AVHRR, Monthly Visible Calibration Update, 7 December 2010 - Issued: 7 December 2010 1800 UTC

Topic:
Visible calibration update for month of December 2010

Date/Time(UTC) Message Issued:
7 December 2010, 1800 UTC

Satellite(s) Involved:
NOAA-16, 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:
7 December 2010, Time 1300 UTC

Details/Specifics of Change:
On 7 December 2010 at approximately 13:00 UTC, the following update of the calibration coefficients was implemented in the level 1B processing for NOAA-16/18/19 and METOP-A/2 for the month of December. These coefficients are intended to be optimal on 28 December, in the middle of the two scheduled updates.

NOAA-16 AVHRR

Ch_1_lo = 0.05831*count - 2.248, count<498.96
Ch_1_hi = 0.1702*count - 57.84, count>498.96
Ch_2_lo = 0.06426*count - 2.427, count<500.16
Ch_2_hi = 0.1893*count - 64.98, count>500.16

NOAA-18 AVHRR

Ch_1_lo = 0.05480*count - 2.160, count<501.54
Ch_1_hi = 0.1634*count - 56.18, count>501.54
Ch_2_lo = 0.06305*count - 2.484, count<500.40
Ch_2_hi = 0.1892*count - 65.92, count>500.40

NOAA-19 AVHRR

Ch_1_lo = 0.05131*count - 1.995, count<496.43
Ch_1_hi = 0.1514*count - 52.03, count>496.43
Ch_2_lo = 0.05745*count - 2.228, count<500.37
Ch_2_hi = 0.1711*count - 59.07, count>500.37

Metop-A/2

Ch_1_lo = 0.05434*count - 2.197, count<501.01
Ch_1_hi = 0.1606*count - 55.42, count>501.01
Ch_2_lo = 0.06450*count - 2.564, count<500.42
Ch_2_hi = 0.1916*count - 66.15, count>500.42
Ch_3_lo = 0.03243*count - 1.333, count<501.94
Ch_3_hi = 0.2252*count - 98.11, count>501.94

For NL/NN/NP, the first orbits processed were:

NSS.HRPT.NL.D10341.S1346.E1359.B5263131.WI
NSS.GHRR.NL.D10341.S1159.E1346.B5263031.WI

NSS.HRPT.NN.D10341.S1403.E1415.B2858989.EB
NSS.GHRR.NN.D10341.S1351.E1529.B2858990.GC

NSS.LHRR.NP.D10341.S1157.E1203.B0943434.GC
NSS.HRPT.NP.D10341.S1426.E1440.B0943636.GC
NSS.GHRR.NP.D10341.S1238.E1425.B0943536.GC

For M2, the first orbit processed was the one running after orbit:

NCS.FRAC.M2.D10341.S0920.E1100.B2144849.SV

Contact Person(s) Name/Email/Phone Number for Questions:
Dejiang.Han Dejiang.Han@noaa.gov 301-817-4119 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