Administrative: NOAA-16, 18, 19, & MetOp-A/2, AVHRR, Monthly Visible Calibration Update, 11 July 2012 - Issued: July 11, 2012 1430 UTC

Subject: Administrative: NOAA-16, 18, 19, & MetOp-A/2, AVHRR, Monthly Visible Calibration Update, 11 July 2012 - Issued: July 11, 2012 1430 UTC

Topic: Visible calibration update for month of July 2012
Date/Time Issued: July 11, 2012 1430 UTC
Product(s) or Data Impacted: All products from channels 1, 2, and 3a
Date/Time of Initial Impact: July 11, 2012 1241 UTC
Date/Time of Expected End: Until Next Month's Coefficient Update
Length of Outage: N/A
Details/Specifics of Change:
On 11 July 2012 at approximately 12:41 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 July. These coefficients are intended to be optimal on 28 July, in the middle of the two scheduled updates.
NOAA-16 AVHRR
Ch_1_lo = 0.05960*count - 2.298, count<498.96
Ch_1_hi = 0.1740*count - 59.12, count>498.96
Ch_2_lo = 0.06623*count - 2.502, count<500.16
Ch_2_hi = 0.1951*count - 66.97, count>500.16
NOAA-18 AVHRR
Ch_1_lo = 0.05590*count - 2.204, count<501.54
Ch_1_hi = 0.1667*count - 57.32, count>501.54
Ch_2_lo = 0.06460*count - 2.545, count<500.40
Ch_2_hi = 0.1938*count - 67.54, count>500.40
NOAA-19 AVHRR
Ch_1_lo = 0.05149*count - 2.002, count<496.43
Ch_1_hi = 0.1519*count - 52.22, count>496.43
Ch_2_lo = 0.05840*count - 2.265, count<500.37
Ch_2_hi = 0.1740*count - 60.06, count>500.37
MetOp-A/2
Ch_1_lo = 0.05491*count - 2.220, count<501.01
Ch_1_hi = 0.1623*count - 56.00, count>501.01
Ch_2_lo = 0.06549*count - 2.603, count<500.42
Ch_2_hi = 0.1945*count - 67.16, count>500.42
Ch_3_lo = 0.03286*count - 1.350, count<501.94
Ch_3_hi = 0.2282*count - 99.40, count>501.94
For NL/NN/NP, the first orbits processed were:
NSS.GHRR.NL.D12193.S0801.E0956.B6084546.WI
NSS.HRPT.NL.D12193.S1519.E1530.B6084949.MI

NSS.HRPT.NN.D12193.S1304.E1319.B3679999.EB
NSS.GHRR.NN.D12193.S1253.E1432.B3679900.GC

NSS.LHRR.NP.D12193.S1116.E1120.B1764343.GC
NSS.GHRR.NP.D12193.S1122.E1309.B1764344.GC
NSS.HRPT.NP.D12193.S1451.E1504.B1764545.GC
For MetOp-A/2, the first orbit processed was the one running after orbit:
NCS.FRAC.M2.D12193.S1106.E1201.B2971718.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 at 301-817-3880 and/or other contacts as necessary
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