Administrative, NOAA-16, 18, 19, & METOP-2/A Visible calibration update for month of March 2011 - Issued: 8 March 2011 1650 UTC

Topic: Visible calibration update for month of March 2011

Date/Time(UTC) Message Issued: 8 March 2011, 1650 UTC

Satellite(s) Involved: NOAA-16, 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: 8 March 2011, Time 1320 UTC

Details/Specifics of Change:

On 8 March 2011 at approximately 13:20 UTC, the following update of the calibration coefficients was implemented in the level 1B processing for NOAA-16/18/19 and METOP-A/2 for the month of March. These coefficients are intended to be optimal on 22 March , in the middle of the two scheduled updates.

NOAA-16 AVHRR

Ch_1_lo = 0.05850*count - 2.255, count<498.96

Ch_1_hi = 0.1707*count - 58.03, count>498.96

Ch_2_lo = 0.06456*count - 2.438, count<500.16

Ch_2_hi = 0.1902*count - 65.28, count>500.16

NOAA-18 AVHRR

Ch_1_lo = 0.05497*count - 2.167, count<501.54

Ch_1_hi = 0.1639*count - 56.36, count>501.54

Ch_2_lo = 0.06329*count - 2.494, count<500.40

Ch_2_hi = 0.1899*count - 66.17, count>500.40

NOAA-19 AVHRR

Ch_1_lo = 0.05144*count - 2.000, count<496.43

Ch_1_hi = 0.1518*count - 52.16, count>496.43

Ch_2_lo = 0.05787*count - 2.244, count<500.37

Ch_2_hi = 0.1724*count - 59.51, count>500.37

Metop-A/2

Ch_1_lo = 0.05447*count - 2.202, count<501.01

Ch_1_hi = 0.1610*count - 55.55, count>501.01

Ch_2_lo = 0.06484*count - 2.577, count<500.4

Ch_2_hi = 0.1926*count - 66.50, count>500.42

Ch_3_lo = 0.03256*count - 1.338, count<501.94

Ch_3_hi = 0.2261*count - 98.50, count>501.94

For NL/NN/NP, the first orbits processed were:
NSS.GHRR.NL.D11067.S1045.E1230.B5391415.WI
NSS.HRPT.NL.D11067.S1416.E1427.B5391616.MI

NSS.HRPT.NN.D11067.S1252.E1307.B2987272.EB
NSS.GHRR.NN.D11067.S1106.E1239.B2987172.GC

NSS.HRPT.NP.D11067.S1345.E1359.B1071919.GC
NSS.GHRR.NP.D11067.S1157.E1344.B1071819.GC
NSS.LHRR.NP.D11067.S1633.E1645.B1072021.WI

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

NCS.FRAC.M2.D11067.S0936.E1118.B2274142.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
Contact Information for Further Information: ESPC Operations at ESPCOperations@noaa.gov and 301-817-3880

Web Site(s) for applicable information: http://www.osdpd.noaa.gov/ml/ppp/navpage.html - POLAR NAVIGATION/EARTH LOCATION