20070710: NOAA 16

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*Topic:*
   Correction of Earth Location Error

*Date/Time(UTC) Message Issued:*
   10 July 2007, 1500 UTC

*Satellite(s) Involved:*
    NOAA-16

*Instrument(s) Involved:*
    All earth located instrument data

*Product(s) Involved/Affected:*
   All Products

*Date/Time(UTC) of Initial Implementation:*
   9 July 2007, Time 1820 UTC

*Details/Specifics of Change:*
On 9 July 2007 around 1730 UTC, operations accidentally implemented a bad User Ephemeris File (UEF) of orbit parameters for NOAA-16 . This was used to produce bad earth locations in the level 1b data for the 5 files listed below. Each pass was reprocessed and distributed to users. 

N1A.GHRR.NL.D07190.S1617.E1733.B3502829.GC
N1A.GHRR.NL.D07190.S1428.E1623.B3502728.GC
N1A.GHRR.NL.D07190.S1241.E1433.B3502627.GC
N1A.GHRR.NL.D07190.S1050.E1244.B3502526.GC
N1A.HRPT.NL.D07190.S1803.E1812.B3502929.CF
On 10 July 2007 Around 0100 UTC, the UEF was corrupted again with the same bad data. This problem was not detected until around 1130 UTC. We have updated the UEF and reprocessed the affected 1B data as indicated below. 

NSS.HRPT.NL.D07191.S0144.E0154.B3503434.EB
NSS.HRPT.NL.D07191.S0638.E0647.B3503636.CF
NSS.HRPT.NL.D07191.S0902.E0911.B3503838.WI
NSS.HRPT.NL.D07191.S0909.E0920.B3503838.MI
* *
NSS.GHRR.NL.D07190.S2034.E2227.B3503032.GC
NSS.GHRR.NL.D07190.S2222.E0016.B3503233.GC
NSS.GHRR.NL.D07191.S0011.E0151.B3503334.GC
NSS.GHRR.NL.D07191.S0147.E0340.B3503435.WI
NSS.GHRR.NL.D07191.S0336.E0530.B3503536.WI
NSS.GHRR.NL.D07191.S0527.E0719.B3503637.WI
NSS.GHRR.NL.D07191.S0717.E0901.B3503738.WI
NSS.GHRR.NL.D07191.S0856.E1042.B3503839.WI
Please accept my apologies for any problems this may have caused for your operations. 

*Contact Person(s) Name/Email/Phone Number for Questions:*
 Emily Harrod  Emily.Harrod@xxxxxxxx  301-817-3882

*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
http://www.oso.noaa.gov/goes/index.htm - SOCC geostationary satellite status http://www.oso.noaa.gov/daily-news/index.asp <http://www.oso.noaa.gov/daily-news/index.htm> - SOCC morning reports 
--
*******************************************
*
* Emily D. Harrod
* NOAA/NESDIS/OSDPD/IPD
* Computer Operations Branch
* Pre-Product Processing Group
* E/SP11, NSOF, room 1460
* 4231 Suitland Road
* Suitland, Maryland  20746-4304
* USA
* voice 301-817-3882
* fax   301-817-3902
* email Emily.Harrod@xxxxxxxx
*
*******************************************


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