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NOUS40KWBC 141155
FOS/NOAAPORT NOTICE NO. 1837 DECEMBER 14... 2000
ATTENTION FAMILY OF SERVICES SUBSCRIBERS/NOAAPORT USERS
SUBJECT SINGLE CHORD OPERATIONS
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 11... 2000 TO JANUARY 09... 2001.
LUNAR INTRUSIONS
12/17 2123 TO 0015 UTC
01/01 0822 TO 1112 UTC
01/04 1034 TO 1326 UTC
BEVEL
NONE
SOLAR INTRUSIONS
NONE
FOLLOWING ARE TIMES OF GOES-10 SINGLE CHORD OPERATIONS
FOR THE PERIOD DECEMBER 11... 2000 TO JANUARY 09... 2001.
LUNAR INTRUSIONS
12/18 0134 TO 0425 UTC
01/01 1229 TO 1519 UTC
01/04 1441 TO 1733 UTC
BEVEL
NONE
SOLAR INTRUSIONS
NONE
THIS INFORMATION IS ALSO POSTED ON THE NWS SYSTEMS
OPERATIONSCENTER CHANGE NOTICES WEB PAGE. THE URL IS
LISTED BELOW.
HTTP/COLON///WWW.NWS.NOAA.GOV/OSO/NOTICES/NOTICES.SHTML
/LOWER CASE/
TOM RENKEVENS
SATELLITE ANALYSIS BRANCH /SAB/
SATELLITE SERVICES DIVISION /SSD/
NOAA/NESDIS
THOMAS.RENKEVENS/AT SYMBOL/NOAA.GOV