Subject: Administrative: NOAA-18, 19, MetOp-A/2 & MetOp-B/1, AVHRR, Topic: Visible calibration update for month of April 2015 Date/Time Issued: April 14, 2015 1900 UTC Product(s) or Data Impacted: All products from channels 1, 2, and 3a Date/Time of Initial Impact: April 14, 2015 1415 UTC Date/Time of Expected End: Until Next Month's Coefficient Update Length of Outage: N/A Details/Specifics of Change: On April 14 2015 at approximately 14:15 UTC, the following update of the calibration coefficients was implemented in the level 1B processing for NOAA-18, NOAA-19, MetOp-A/2 and MetOp-B/1 for the month of April. These coefficients are intended to be optimal on April 28, in the middle of the two scheduled updates. Metop-B/1 Ch_1_lo = 0.05412*count - 2.131, count<500.62 Ch_1_hi = 0.1603*count - 55.31, count>500.62 Ch_2_lo = 0.06037*count - 2.438, count<503.00 Ch_2_hi = 0.1778*count - 61.52, count>503.00 Ch_3_lo = 0.03106*count - 1.305, count<500.85 Ch_3_hi = 0.2163*count - 94.10, count>500.85 Metop-A/2 Ch_1_lo = 0.05558*count - 2.247, count<501.01 Ch_1_hi = 0.1642*count - 56.68, count>501.01 Ch_2_lo = 0.06747*count - 2.682, count<500.42 Ch_2_hi = 0.2004*count - 69.19, count>500.42 Ch_3_lo = 0.03344*count - 1.374, count<501.94 Ch_3_hi = 0.2323*count - 101.18, count>501.94 NOAA-18 AVHRR Ch_1_lo = 0.05833*count - 2.300, count<501.54 Ch_1_hi = 0.1739*count - 59.81, count>501.54 Ch_2_lo = 0.06805*count - 2.681, count<500.40 Ch_2_hi = 0.2042*count - 71.15, count>500.40 NOAA-19 AVHRR Ch_1_lo = 0.05254*count - 2.042, count<496.43 Ch_1_hi = 0.1550*count - 53.28, count>496.43 Ch_2_lo = 0.05970*count - 2.315, count<500.37 Ch_2_hi = 0.1778*count - 61.39, count>500.37 The first 1b files produced with the updated CPIDS were: NSS.HRPT.NP.D15104.S1449.E1503.B3185252.GC NSS.GHRR.NP.D15104.S1301.E1448.B3185152.GC NSS.LHRR.NP.D15104.S1738.E1749.B3185354.WI NSS.HRPT.NN.D15104.S1429.E1440.B5101010.MO NSS.GHRR.NN.D15104.S1423.E1601.B5101011.GC For M2 & M1 the first orbits processed will be the one running after orbit: NSS.HRPT.M1.D15104.S1412.E1424.B1333939.MI NSS.FRAC.M1.D15104.S1305.E____.B13338__.SV NSS.HRPT.M2.D15104.S0735.E0748.B4402121.EB NSS.FRAC.M2.D15104.S1126.E____.B44024__.SV Contact Person(s) Name/Email/Phone Number for Questions: Dejiang.HanDejiang.Han@noaa.gov 301-817-4119 operations support Xiangqian WuXiangqian.Wu@noaa.gov 301-683-3601 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 atESPCOperations@noaa.gov at 301-817-3880 This message was sent fromESPC.Notification@noaa.gov. You have been sent this and other notifications because you have opted in to receive it. If for any reason, you wish to unsubscribe, please contact ESPC Help Desk atESPCOperations@noaa.gov or (301) 817-3880. Please note: it make take up to two business days to process your unsubscribe request.