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Administrative, NOAA-16, 17, 18, 19, & MetOp-2/A, AVHRR, Monthly Visible Calibration Update, 9 February 2010 - Issued: 10 February 2010 0330 UTC

Topic:
Visible calibration update for month of February 2010

Date/Time(UTC) Message Issued:
10 February 2010, 0330 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:
9 February 2010, Time 1600 UTC

Details/Specifics of Change:

On 9 February 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 February. These
coefficients are intended to be optimal on 23 February, in the middle of
the two scheduled updates.

********************************************************************************************

NOAA-16 AVHRR

Ch_1_lo = 0.05764*count - 2.222, count<498.96
Ch_1_hi = 0.1682*count - 57.18, count>498.96

Ch_2_lo = 0.06327*count - 2.390, count<500.16
Ch_2_hi = 0.1864*count - 63.97, count>500.16

NOAA-17 AVHRR
Ch_1_lo = 0.05683*count - 2.274, count<501.12
Ch_1_hi = 0.1669*count - 57.40, count>501.12

Ch_2_lo = 0.06849*count - 2.689, count<500.73
Ch_2_hi = 0.2039*count - 70.59, count>500.73

Ch_3_lo = 0.03338*count - 1.407, count<501.37
Ch_3_hi = 0.2340*count - 102.17, count>501.37

NOAA-18 AVHRR
Ch_1_lo = 0.05416*count - 2.135, count<501.54
Ch_1_hi = 0.1615*count - 55.53, count>501.54

Ch_2_lo = 0.06208*count - 2.446, count<500.40
Ch_2_hi = 0.1863*count - 64.91, count>500.40

NOAA-19 AVHRR
Ch_1_lo = 0.05057*count - 1.966, count<496.43
Ch_1_hi = 0.1492*count - 51.28, count>496.43

Ch_2_lo = 0.05461*count - 2.118, count<500.37
Ch_2_hi = 0.16266*count - 56.16, count>500.37

Metop-A/2
Ch_1_lo = 0.05389*count - 2.179, count<501.01
Ch_1_hi = 0.1592*count - 54.96, count>501.01

Ch_2_lo = 0.06363*count - 2.529, count<500.42
Ch_2_hi = 0.1890*count - 65.26, count>500.42

Ch_3_lo = 0.03226*count - 1.326, count<501.94
Ch_3_hi = 0.2241*count - 97.61, count>501.94
********************************************************************************************

For NL/NM/NN/NP, the first orbits processed were:
NSS.HRPT.NL.D10040.S1805.E1817.B4838484.EB
NSS.GHRR.NL.D10040.S1753.E1931.B4838485.GC

NSS.GHRR.NM.D10040.S1337.E1523.B3965455.WI
NSS.HRPT.NM.D10040.S1706.E1721.B3965656.MO

NSS.HRPT.NN.D10040.S1543.E1558.B2434444.CF
NSS.GHRR.NN.D10040.S1659.E1821.B2434546.WI

NSS.HRPT.NP.D10040.S1628.E1642.B0519292.CF
NSS.GHRR.NP.D10040.S1554.E1725.B0519293.WI
NSS.LHRR.NP.D10040.S1709.E1720.B0519293.WI

For M2, the first orbit processed was:
NCS.FRAC.M2.D10040.S1309.E1450.B1717475.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


ppp@nesdis.noaa.gov

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