Administrative, NOAA-16, 17, 18, 19, & MetOp-2/A, AVHRR, Monthly Visible Calibration Update, 12 October 2010 - Issued: 12 October 2010 1320 UTC

Topic:
Visible calibration update for month of October 2010

Date/Time(UTC) Message Issued:
12 October 2010, 1320 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 October 2010, Time 1201 UTC

Details/Specifics of Change:
On 12 October 2010 at approximately 12:01 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 October. These coefficients are intended to be optimal on 26 October, in the middle of the two scheduled updates.

NOAA-16 AVHRR

Ch_1_lo = 0.05817*count - 2.243, count<498.96
Ch_1_hi = 0.1698*count - 57.70, count>498.96
Ch_2_lo = 0.06406*count - 2.420, count<500.16
Ch_2_hi = 0.1887*count - 64.77, count>500.16

NOAA-17 AVHRR

Ch_1_lo = 0.05737*count - 2.296, count<501.12
Ch_1_hi = 0.1684*count - 57.94, count>501.12
Ch_2_lo = 0.06944*count - 2.726, count<500.73
Ch_2_hi = 0.2067*count - 71.57, count>500.73
Ch_3_lo = 0.03373*count - 1.422, count<501.37
Ch_3_hi = 0.2364*count - 103.22, count>501.37

NOAA-18 AVHRR

Ch_1_lo = 0.05462*count - 2.153, count<501.54
Ch_1_hi = 0.1628*count - 56.00, count>501.54
Ch_2_lo = 0.06297*count - 2.481, count<500.40
Ch_2_hi = 0.1889*count - 65.83, count>500.40

NOAA-19 AVHRR

Ch_1_lo = 0.05084*count - 1.976, count<496.43
Ch_1_hi = 0.1500*count - 51.55, count>496.43
Ch_2_lo = 0.05668*count - 2.198, count<500.37
Ch_2_hi = 0.1688*count - 58.28, count>500.37

Metop-A/2

Ch_1_lo = 0.05426*count - 2.194, count<501.01
Ch_1_hi = 0.1603*count - 55.34, count>501.01
Ch_2_lo = 0.06435*count - 2.558, count<500.42
Ch_2_hi = 0.1911*count - 66.00, count>500.42
Ch_3_lo = 0.03237*count - 1.330, count<501.94
Ch_3_hi = 0.2248*count - 97.94, count>501.94

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

NSS.HRPT.NL.D10285.S1307.E1321.B5184040.WI
NSS.GHRR.NL.D10285.S1120.E1306.B5183940.WI

NSS.HRPT.NL.D10285.S1624.E1637.B5184242.GC
NSS.GHRR.NL.D10285.S1449.E1623.B5184142.GC

NSS.GHRR.NM.D10285.S0752.E0947.B4313839.WI
NSS.HRPT.NM.D10285.S1502.E1515.B4314242.WI

NSS.HRPT.NN.D10285.S1216.E1230.B2779898.EB
NSS.GHRR.NN.D10285.S1205.E1343.B2779899.GC

NSS.HRPT.NP.D10285.S1056.E1107.B0864444.EB
NSS.LHRR.NP.D10285.S1028.E1032.B0864444.GC
NSS.GHRR.NP.D10285.S1032.E1221.B0864445.GC

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

NCS.FRAC.M2.D10285.S0837.E1018.B2065253.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