Administrative, NOAA-16, 17, 18, 19, & MetOp-2/A, AVHRR, Monthly Visible Calibration Update, 10 August 2010 - Issued: 10 August 2010 1400 UTC

Topic:
Visible calibration update for month of August 2010

Date/Time(UTC) Message Issued:
10 August 2010, 1400 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:
10 August 2010, Time 1200 UTC

Details/Specifics of Change:
On 10 August 2010 at approximately 1200 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 August. These coefficients are intended to be optimal on 28 August, in the middle of the two scheduled updates.

NOAA-16 AVHRR

Ch_1_lo = 0.05804*count - 2.238, count<498.96
Ch_1_hi = 0.1694*count - 57.57, count>498.96

Ch_2_lo = 0.06386*count - 2.412, count<500.16
Ch_2_hi = 0.1882*count - 64.58, count>500.16

NOAA-17 AVHRR

Ch_1_lo = 0.05717*count - 2.288, count<501.12
Ch_1_hi = 0.1679*count - 57.75, count>501.12

Ch_2_lo = 0.06914*count - 2.715, count<500.73
Ch_2_hi = 0.2058*count - 71.26, count>500.73

Ch_3_lo = 0.03364*count - 1.418, count<501.37
Ch_3_hi = 0.2358*count - 102.95, count>501.37

NOAA-18 AVHRR

Ch_1_lo = 0.05447*count - 2.148, count<501.54
Ch_1_hi = 0.1624*count - 55.85, count>501.54

Ch_2_lo = 0.06256*count - 2.465, count<500.40
Ch_2_hi = 0.1877*count - 65.40, count>500.40

NOAA-19 AVHRR

Ch_1_lo = 0.05153*count - 2.003, count<496.43
Ch_1_hi = 0.1520*count - 52.25, count>496.43

Ch_2_lo = 0.05854*count - 2.270, count<500.37
Ch_2_hi = 0.17437*count - 60.20, count>500.37

Metop-A/2

Ch_1_lo = 0.05415*count - 2.190, count<501.01
Ch_1_hi = 0.1600*count - 55.23, count>501.01

Ch_2_lo = 0.06414*count - 2.550, count<500.42
Ch_2_hi = 0.1905*count - 65.79, count>500.42

Ch_3_lo = 0.03232*count - 1.328, count<501.94
Ch_3_hi = 0.2245*count - 97.78, count>501.94

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

NSS.HRPT.NL.D10222.S1209.E1223.B5095050.WI
NSS.GHRR.NL.D10222.S1016.E1208.B5094950.WI

NSS.GHRR.NM.D10222.S0723.E0918.B4224142.WI
NSS.HRPT.NM.D10222.S1435.E1449.B4224545.WI

NSS.LHRR.NN.D10222.S0927.E0935.B2690808.GC
NSS.HRPT.NN.D10222.S1312.E1326.B2691010.GC
NSS.GHRR.NN.D10222.S1124.E1311.B2690910.GC

NSS.GHRR.NP.D10222.S0943.E1130.B0775556.GC
NSS.LHRR.NP.D10222.S1117.E1121.B0775656.GC
NSS.HRPT.NP.D10222.S1312.E1326.B0775757.GC

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

NCS.FRAC.M2.D10222.S0841.E1022.B1975758.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