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NOUS40KWBC 111650
FOS/NOAAPORT NOTICE NO. 1424 FEBRUARY 11... 1999
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.
BEVEL OPERATIONS HAVE BEEN EFFECT FOR OVER 4 YEARS. THE
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 FEBRUARY 08... 1999 TO MARCH 09... 1999.
LUNAR INTRUSIONS
03/02 1553 TO 1844 UTC
03/05 1806 TO 2057 UTC
BEVEL
02/08 0237 TO 0707 UTC
02/09 0237 TO 0707 UTC
02/10 0237 TO 0707 UTC
02/11 0237 TO 0707 UTC
02/12 0237 TO 0707 UTC
02/13 0237 TO 0707 UTC
02/14 0237 TO 0707 UTC
02/15 0237 TO 0707 UTC
02/16 0237 TO 0707 UTC
02/17 0237 TO 0707 UTC
02/18 0237 TO 0707 UTC
02/19 0237 TO 0707 UTC
SOLAR INTRUSIONS
02/20 0237 TO 0707 UTC
02/21 0237 TO 0707 UTC
02/22 0237 TO 0707 UTC
02/23 0237 TO 0707 UTC
02/24 0237 TO 0707 UTC
02/25 0237 TO 0707 UTC
02/26 0237 TO 0707 UTC
02/27 0237 TO 0707 UTC
02/28 0237 TO 0707 UTC
03/01 0237 TO 0707 UTC
03/02 0237 TO 0707 UTC
03/03 0237 TO 0707 UTC
03/04 0237 TO 0707 UTC
03/05 0237 TO 0707 UTC
03/06 0237 TO 0707 UTC
03/07 0237 TO 0707 UTC
03/08 0237 TO 0707 UTC
03/09 0237 TO 0707 UTC
FOLLOWING ARE TIMES OF GOES-10 SINGLE CHORD OPERATIONS
FOR THE PERIOD FEBRUARY 08... 1999 TO MARCH 09... 1999.
LUNAR INTRUSIONS
02/17 0713 TO 1153 UTC
03/02 2006 TO 2257 UTC
03/05 2218 TO 0109 UTC
BEVEL
02/08 0713 TO 1153 UTC
02/09 0713 TO 1153 UTC
02/10 0713 TO 1153 UTC
02/11 0713 TO 1153 UTC
02/12 0713 TO 1153 UTC
02/13 0713 TO 1153 UTC
02/14 0713 TO 1153 UTC
02/15 0713 TO 1153 UTC
02/16 0713 TO 1153 UTC
SOLAR INTRUSIONS
02/18 0713 TO 1153 UTC
02/19 0713 TO 1153 UTC
02/20 0713 TO 1153 UTC
02/21 0713 TO 1153 UTC
02/22 0713 TO 1153 UTC
02/23 0713 TO 1153 UTC
02/24 0713 TO 1153 UTC
02/25 0713 TO 1153 UTC
02/26 0713 TO 1153 UTC
02/27 0713 TO 1153 UTC
02/28 0713 TO 1153 UTC
03/01 0713 TO 1153 UTC
03/02 0713 TO 1153 UTC
03/03 0713 TO 1153 UTC
03/04 0713 TO 1153 UTC
03/05 0713 TO 1153 UTC
03/06 0713 TO 1153 UTC
03/07 0713 TO 1153 UTC
03/08 0713 TO 1153 UTC
03/09 0713 TO 1153 UTC
STEVE ARNETT
SATELLITE ANALYSIS BRANCH
SATELLITE SERVICES DIVISION
NOAA/NESDIS
STEVE.ARNETT NOAA.GOV
END
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