*Topic*:
Visible calibration updates for the month of October 2005
*Date/Time(UTC) Message Issued:*
11 October 2005, 1555 UTC
*Satellite(s) Involved:*
NOAA-18
*Instrument(s) Involved:*
AVHRR
*Product(s) Involved/Affected:*
NOAA-16 ch 1 & 2
NOAA-17 ch 1,2, &3a
NOAA-18 ch 1 & 2
*Date/Time(UTC) of Initial Implementation:*
11 October 2005, Time 1555 UTC
*Details/Specifics of Change:*
On October 11, the AVHRR Viscal updates for the month of October 2005, for spacecraft NOAA-16/17/18 were put into operations at approximately 1555 UTC. The first orbits to processed after the change are listed below.
NSS.HRPT.NN.D05284.S1600.E1612.B0203333.GC
NSS.GHRR.NN.D05284.S1412.E1558.B0203233.GC
NSS.HRPT.NM.D05284.S1640.E1653.B1714242.WI
NSS.GHRR.NM.D05284.S1453.E1639.B1714142.WI
NSS.HRPT.NL.D05284.S1659.E1711.B2605151.GC
NSS.GHRR.NL.D05284.S1331.E1517.B2604950.GC
NOAA-16 AVHRR
Ch_1_lo = 0.05400*count - 2.082, count<498.96
Ch_1_hi = 0.1576*count - 53.57, count>498.96
Ch_2_lo = 0.05816*count - 2.197, count<500.16
Ch_2_hi = 0.1713*count - 58.81, count>500.16
NOAA-17 AVHRR
Ch_1_lo = 0.05486*count - 2.196, count<501.12
Ch_1_hi = 0.1611*count - 55.41, count>501.12
Ch_2_lo = 0.06661*count - 2.615, count<500.73
Ch_2_hi = 0.1983*count - 68.65, count>500.73
Ch_3_lo = 0.03174*count - 1.338, count<501.37
Ch_3_hi = 0.2225*count - 97.15, count>501.37
NOAA-18 AVHRR
Ch_1_lo = 0.05039*count - 1.987, count<501.00
Ch_1_hi = 0.1502*count - 51.67, count>501.00
Ch_2_lo = 0.05589*count - 2.202, count<500.00
Ch_2_hi = 0.1677*count - 58.43, count>500.00
These coefficients are intended to be optimal on October 25, in the middle of the two scheduled updates.
*Contact Person(s) Name/Email/Phone Number for Questions:*
Cecil.Paris@noaa.gov 301-457-5247 ext. 129
Robert.Levin@noaa.gov/301-457-5247 ext. 124 with ops questions
*Web site(s) that contain other relevant information (where applicable):*
http://www.osdpd.noaa.gov/PSB/PPP/PPP.html - History of level 1B notices
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http://www.ssd.noaa.gov/PS/SATS/messages.html - All user notices
http://www.oso.noaa.gov/poesstatus/ - SOCC polar satellites status
http://www.oso.noaa.gov/daily-news/index.asp
*******************************************
*
* Emily D. Harrod
* NOAA/NESDIS/OSDPD/IPD
* Computer Operations Branch
* Pre-Product Processing Group
* E/SP11, Federal Building #4, room 0318
* 5200 Auth Road
* Suitland, Maryland 20746-4304
* USA
* voice 301-457-5247 ext 117
* fax 301-457-5199
* email Emily.Harrod@noaa.gov
*
*******************************************
ppp@nesdis.noaa.gov
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