Administrative, NOAA-16, 17, 18, 19, & MetOp-2/A, AVHRR, Monthly Visible Calibration Update, 13 July 2010 - Issued: 13 July 2010 1600 UTC

Topic:
Visible calibration update for month of July 2010

Date/Time(UTC) Message Issued:
13 July 2010, 1600 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:
13 July 2010, Time 1140 UTC

Details/Specifics of Change:
On 13 July 2010 at approximately 1140 UTC, the following update of the calibration coefficients was implemented in the level 1B processing for NOAA-16/17/18/19 and METOP-A/2 for the month of July. These coefficients are intended to be optimal on 27 July, in the middle of the two scheduled updates.

NOAA-16 AVHRR

Ch_1_lo = 0.05797*count - 2.235, count<498.96
Ch_1_hi = 0.1692*count - 57.50, count>498.96

Ch_2_lo = 0.06376*count - 2.408, count<500.16
Ch_2_hi = 0.1879*count - 64.47, count>500.16

NOAA-17 AVHRR

Ch_1_lo = 0.05711*count - 2.285, count<501.12
Ch_1_hi = 0.1677*count - 57.68, count>501.12

Ch_2_lo = 0.06886*count - 2.704, count<500.73
Ch_2_hi = 0.2050*count - 70.97, count>500.73

Ch_3_lo = 0.03357*count - 1.415, count<501.37
Ch_3_hi = 0.2353*count - 102.75, count>501.37

NOAA-18 AVHRR

Ch_1_lo = 0.05437*count - 2.144, count<501.54
Ch_1_hi = 0.1621*count - 55.74, count>501.54

Ch_2_lo = 0.06232*count - 2.455, count<500.40
Ch_2_hi = 0.1870*count - 65.15, count>500.40

NOAA-19 AVHRR

Ch_1_lo = 0.05097*count - 1.981, count<496.43
Ch_1_hi = 0.1504*count - 51.68, count>496.43

Ch_2_lo = 0.05690*count - 2.207, count<500.37
Ch_2_hi = 0.16949*count - 58.51, count>500.37

Metop-A/2

Ch_1_lo = 0.05404*count - 2.185, count<501.01
Ch_1_hi = 0.1597*count - 55.11, count>501.01

Ch_2_lo = 0.06397*count - 2.543, count<500.42
Ch_2_hi = 0.1900*count - 65.61, count>500.42

Ch_3_lo = 0.03225*count - 1.325, count<501.94
Ch_3_hi = 0.2240*count - 97.56, count>501.94

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

NSS.HRPT.NL.D10194.S1239.E1254.B5055555.WI
NSS.GHRR.NL.D10194.S1052.E1239.B5055455.WI

NSS.HRPT.NM.D10194.S1534.E1545.B4184747.MI
NSS.GHRR.NM.D10194.S1532.E1704.B4184748.GC

NSS.HRPT.NN.D10194.S1127.E1140.B2651414.GC
NSS.GHRR.NN.D10194.S0952.E1126.B2651314.GC

NSS.GHRR.NP.D10194.S0931.E1117.B0736061.GC
NSS.LHRR.NP.D10194.S1105.E1109.B0736161.GC
NSS.HRPT.NP.D10194.S1259.E1314.B0736262.GC

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

NCS.FRAC.M2.D10194.S0820.E1002.B1935960.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