Administrative, NOAA-16, 17, 18, 19, & MetOp-2/A, AVHRR, Monthly Visible Calibration Update, 11 May 2010 - Issued: 11 May 2010 2000 UTC

Topic:
Visible calibration update for month of May 2010

Date/Time(UTC) Message Issued:
11 May 2010, 2000 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:
11 May 2010, Time 1600 UTC

Details/Specifics of Change:
On 11 May 2010 at approximately 1600 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 May. These coefficients are intended to be optimal on 25 May, in the middle of the two scheduled updates.

NOAA-16 AVHRR

Ch_1_lo = 0.05783*count - 2.230, count<498.96
Ch_1_hi = 0.1688*count - 57.37, count>498.96

Ch_2_lo = 0.06356*count - 2.401, count<500.16
Ch_2_hi = 0.1873*count - 64.27, count>500.16

NOAA-17 AVHRR

Ch_1_lo = 0.05701*count - 2.281, count<501.12
Ch_1_hi = 0.1674*count - 57.58, count>501.12

Ch_2_lo = 0.06867*count - 2.696, count<500.73
Ch_2_hi = 0.2044*count - 70.77, count>500.73

Ch_3_lo = 0.03349*count - 1.412, count<501.37
Ch_3_hi = 0.2348*count - 102.49, count>501.37

NOAA-18 AVHRR

Ch_1_lo = 0.05426*count - 2.139, count<501.54
Ch_1_hi = 0.1618*count - 55.64, count>501.54

Ch_2_lo = 0.06223*count - 2.452, count<500.40
Ch_2_hi = 0.1867*count - 65.06, count>500.40

NOAA-19 AVHRR

Ch_1_lo = 0.05102*count - 1.983, count<496.43
Ch_1_hi = 0.1505*count - 51.74, count>496.43

Ch_2_lo = 0.05683*count - 2.204, count<500.37
Ch_2_hi = 0.16927*count - 58.44, count>500.37

Metop-A/2

Ch_1_lo = 0.05403*count - 2.185, count<501.01
Ch_1_hi = 0.1597*count - 55.10, count>501.01

Ch_2_lo = 0.06374*count - 2.534, count<500.42
Ch_2_hi = 0.1893*count - 65.37, count>500.42

Ch_3_lo = 0.03227*count - 1.326, count<501.94
Ch_3_hi = 0.2242*count - 97.64, count>501.94

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

NSS.GHRR.NL.D10131.S1505.E1639.B4966768.GC
NSS.HRPT.NL.D10131.S1834.E1846.B4966969.EB

NSS.GHRR.NM.D10131.S1643.E1815.B4095152.GC
NSS.HRPT.NM.D10131.S2009.E2023.B4095353.EB

NSS.HRPT.NN.D10131.S1902.E1916.B2563030.WI
NSS.GHRR.NN.D10131.S1739.E1900.B2562930.WI

NSS.HRPT.NP.D10131.S2205.E2220.B0647979.GC
NSS.GHRR.NP.D10131.S2015.E2204.B0647879.GC
NSS.LHRR.NP.D10131.S2050.E2102.B0647878.GC

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

NCS.FRAC.M2.D10131.S1507.E1647.B1846869.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