Administrative: NOAA-16, 18, 19, & MetOp-A/2, AVHRR, Monthly Visible Calibration Update, 12 June 2012 - Issued: June 12, 2012 1430 UTC

Subject: Administrative: NOAA-16, 18, 19, & MetOp-A/2, AVHRR, Monthly Visible Calibration Update, 12 June 2012 - Issued: June 12, 2012 1430 UTC

Topic: Visible calibration update for month of June 2012
Date/Time Issued: June 12, 2012 1430 UTC
Product(s) or Data Impacted: All products from channels 1, 2, and 3a
Date/Time of Initial Impact: June 8, 2012 1139 UTC
Date/Time of Expected End: Until Next Month's Coefficient Update
Length of Outage: N/A
Details/Specifics of Change:
On 12 June 2012 at approximately 11:39 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 June. These coefficients are intended to be optimal on 26 June, in the middle of the two scheduled updates.
NOAA-16 AVHRR
Ch_1_lo = 0.05953*count - 2.295, count<498.96
Ch_1_hi = 0.1738*count - 59.05, count>498.96
Ch_2_lo = 0.06611*count - 2.497, count<500.16
Ch_2_hi = 0.1948*count - 66.85, count>500.16
NOAA-18 AVHRR
Ch_1_lo = 0.05581*count - 2.200, count<501.54
Ch_1_hi = 0.1664*count - 57.22, count>501.54
Ch_2_lo = 0.06444*count - 2.539, count<500.40
Ch_2_hi = 0.1934*count - 67.37, count>500.40
NOAA-19 AVHRR
Ch_1_lo = 0.05141*count - 1.999, count<496.43
Ch_1_hi = 0.1517*count - 52.14, count>496.43
Ch_2_lo = 0.05832*count - 2.262, count<500.37
Ch_2_hi = 0.1737*count - 59.97, count>500.37
MetOp-A/2
Ch_1_lo = 0.05485*count - 2.218, count<501.01
Ch_1_hi = 0.1621*count - 55.94, count>501.01
Ch_2_lo = 0.06543*count - 2.601, count<500.42
Ch_2_hi = 0.1943*count - 67.10, count>500.42
Ch_3_lo = 0.03282*count - 1.349, count<501.94
Ch_3_hi = 0.2280*count - 99.30, count>501.94

For NL/NN/NP, the first orbits processed were:
NSS.HRPT.NL.D12164.S1012.E1027.B6043636.CF
NSS.GHRR.NL.D12164.S1044.E1240.B6043738.WI

NSS.HRPT.NN.D12164.S1133.E1148.B3638989.MO
NSS.GHRR.NN.D12164.S1133.E1307.B3638990.GC

NSS.HRPT.NP.D12164.S1135.E1149.B1723434.GC
NSS.GHRR.NP.D12164.S0948.E1135.B1723334.GC
NSS.LHRR.NP.D12164.S1122.E1126.B1723434.GC
For MetOp-A/2, the first orbit processed was the one running after orbit:
NCS.FRAC.M2.D12164.S0838.E1021.B2930405.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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