Administrative: NOAA-18, 19, Metop-B/1, Metop-A/2, AVHRR, Monthly Visible Calibration Update, 12 January 2016 Issued: January 12, 2016 1904Z

Topic: Visible calibration update for month of January 2016

Date/Time Issued: January 12, 2016 1904Z

Product(s) or Data Impacted: All products from channels 1, 2, and 3a

Date/Time of Initial Impact: January 12, 2016 1506Z

Date/Time of Expected End: Until Next Month's Coefficient Update

Length of Outage: N/A

Details/Specifics of Change:
On January 12, 2016 at approximately 15:06 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 November. These coefficients are intended to be optimal on Jan. 26, in the middle of the two scheduled updates.

Metop-B/1

Ch_1_lo = 0.05493*count - 2.163, count<500.62
Ch_1_hi = 0.1627*count - 56.14, count>500.62

Ch_2_lo = 0.06104*count - 2.465, count<503.00
Ch_2_hi = 0.1798*count - 62.21, count>503.00

Ch_3_lo = 0.03158*count - 1.327, count<500.85
Ch_3_hi = 0.2199*count - 95.67, count>500.85

------------------------------------------------------------------------
Metop-A/2

Ch_1_lo = 0.05575*count - 2.254, count<501.01
Ch_1_hi = 0.1647*count - 56.85, count>501.01

Ch_2_lo = 0.06808*count - 2.706, count<500.42
Ch_2_hi = 0.2022*count - 69.83, count>500.42

Ch_3_lo = 0.03369*count - 1.384, count<501.94
Ch_3_hi = 0.2340*count - 101.91, count>501.94

-------------------------------------------------------------------------

NOAA-18 AVHRR

Ch_1_lo = 0.05897*count - 2.325, count<501.54
Ch_1_hi = 0.1758*count - 60.46, count>501.54

Ch_2_lo = 0.06895*count - 2.716, count<500.40
Ch_2_hi = 0.2069*count - 72.08, count>500.40

-------------------------------------------------------------------------

NOAA-19 AVHRR

Ch_1_lo = 0.05287*count - 2.055, count<496.43
Ch_1_hi = 0.1560*count - 53.62, count>496.43

Ch_2_lo = 0.06061*count - 2.351, count<500.37
Ch_2_hi = 0.1805*count - 62.33, count>500.37

------------------------------------------------------------------------

The first 1b files produced with the updated CPIDS were:
NSS.HRPT.NN.D16012.S1537.E1550.B5486464.GC
NSS.GHRR.NN.D16012.S1402.E1536.B5486364.GC

NSS.HRPT.NP.D16012.S1535.E1549.B3570505.GC
NSS.GHRR.NP.D16012.S1347.E1534.B3570405.GC
NSS.LHRR.NP.D16012.S1653.E1659.B3570606.WI

For M2 & M1 the first orbits processed will be the one running after orbit:

NSS.FRAC.M2.D16012.S1217.E1357.B4790304.SV
NSS.HRPT.M2.D16012.S1409.E1419.B4790404.MI

NSS.HRPT.M1.D16012.S1318.E1329.B1721717.WI
NSS.FRAC.M1.D16012.S1310.E1402.B1721717.MM

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 301-683-3601 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 at ESPCOperations@noaa.gov at 301-817-3880