NOUS40KWBC 271904
FOS/NOAAPORT NOTICE NO. 1581 DECEMBER 27 1999
ATTENTION FAMILY OF SERVICES SUBSCRIBERS
NOAAPORT USERS
SUBJECT GOES-8 MANEUVER 01/04/00 ISSUED 12/27/99
A GOES-8 NORTH-SOUTH STATION KEEPING MANEUVER WILL BE
PERFORMED ON TUESDAY... JANUARY 04... 2000 AT 1622 UTC. FOR
NWS OPERATIONS - DUE TO FACTORS CREATED BY GOES-9 TESTING...
THE HOLIDAYS... AND SPACECRAFT ATTITUDE BECOMING A
CONCERN... THIS IS FINAL AND ONLY DATE FOR THIS MANEUVER.
POSTPONEMENT CAN NOT BE REQUESTED. IF THE NWS REGIONS
HAVE ANY OPERATIONAL CONCERNS... PLEASE CONTACT THE NCEP
SDM /301-763-8298/ AT LEAST 6.5 HOURS PRIOR TO THE MANEUVER
TIME.
ON JANUARY 4TH... THE FOLLOWING EXCLUSIVE SCHEDULE WILL
BE EMPLOYED TO SUPPORT MANEUVER OPERATIONS. //ASTRICT/ PLEASE
NOTE THE SCHEDULED GOES-10 FULL DISK SCAN PERIOD TO
SUPPORT THE PRIMARY GOES-8 DATA OUTAGE/
GOES-8 N-S STATION KEEPING MANEUVER SCHEDULE OF OPERATIONS
MANEUVER SCHEDULE STARTS AT 1136 UTC
1139 UTC SOUTHERN HEMISPHERE DATA IS CANCELED.
FROM 1145 UTC THROUGH 1514 UTC -- GOES-8 ROUTINE IMAGING AND
SOUNDINGS
FROM 1515 UTC THROUGH 1544 UTC -- GOES-8 FULL DISK SCANNING
FROM 1545 UTC THROUGH 1559 UTC - GOES-8 ROUTINE IMAGING AND
SOUNDINGS
FROM 1600 UTC THROUGH 1814 UTC -- NO GOES-8 IMAGING OR
SOUNDINGS
/ASTERISK/
FROM 1600 UTC THROUGH 1829 UTC -- GOES-10 FULL DISK IMAGING
/ASTERISK/
FROM 1815 UTC THROUGH 0114 UTC /OCTOBER 27... 1999/ --
ABBREVIATED GOES-8 FULL DISK /19 MINUTE SCAN/ AT XX45 AND
NORTHERN HEMISPHERE EXTENDED /NHE/ IMAGING AT XX15... AND
ASOS1 COVERAGE SOUNDINGS ONLY AT XX46/
0115 UTC -- GOES-8 ROUTINE IMAGER AND SOUNDING SCHEDULES
RESUME.
EXPECT GOES-8 IMAGER AND SOUNDER GRIDDING OFFSETS FOR UP
TO 6 HOURS FOLLOWING THE MANEUVER TIME.
STEVE ARNETT
SATELLITE ANALYSIS BRANCH
SATELLITE SERVICES DIVISION
NOAA/NESDIS
STEVE.ARNETT/AT SYMBOL/NOAA.GOV
END
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NOUS40KWBC 271915
FOS/NOAAPORT NOTICE NO. 1582 DECEMBER 27... 1999
ATTENTION FAMILY OF SERVICES SUBSCRIBERS
NOAAPORT USERS
SUBJECT SINGLE CHORD OPERATIONS - ISSUED 12/27/99
GOES SINGLE CHORD OPERATIONS... MADE NECESSARY BY LUNAR
AND SOLAR INTRUSIONS AT THE EDGE OF THE EARTH DISK... IMPACT
NAVIGATION AND REGISTRATION FOR SHORT PERIODS. USERS OF
GOES GVAR DATA WILL SEE VARIABLE ERRORS DURING PERIODS
OF SINGLE CHORD OPERATIONS AS NOTED BELOW.
SINGLE CHORD OPERATIONS FOR THE BEVEL EFFECT ARE LISTED
WHEN APPLICABLE. BEVEL EFFECT OPERATION IS INTENDED
TO AVOID A SEASONAL SPACECRAFT POINTING PROBLEM WITH ALL
GOES SPACECRAFT CAUSED BY THE SUN S LIGHT REFLECTING INTO
THE EARTH SENSOR.
FOLLOWING ARE TIMES OF GOES-8 SINGLE CHORD OPERATIONS FOR
THE PERIOD DECEMBER 27... 1999 TO JANUARY 22... 2000.
LUNAR INTRUSIONS
12/27 2007 TO 2259 UTC
12/30 2225 TO 0115 UTC
01/12 0745 TO 1036 UTC
01/15 1008 TO 1301 UTC
BEVEL
NONE
SOLAR INTRUSIONS
NONE
FOLLOWING ARE TIMES OF GOES-10 SINGLE CHORD OPERATIONS
FOR THE PERIOD DECEMBER 27... 1999 TO JANUARY 22... 2000.
LUNAR INTRUSIONS
12/28 0018 TO 0310 UTC
12/31 0234 TO 0525 UTC
BEVEL
NONE
SOLAR INTRUSIONS
NONE
STEVE ARNETT
SATELLITE ANALYSIS BRANCH /SAB/
SATELLITE SERVICES DIVISION /SSD/
NOAA/NESDIS
STEVE.ARNETT/AT SYMBOL/NOAA.GOV
END
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