NOUS40KWBC 151403
FOS/NOAAPORT NOTICE NO. 1462 APRIL 15... 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
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 APRIL 15... 1999 TO MAY 11... 1999.
LUNAR INTRUSIONS
04/16 0237 TO 0707 UTC
04/26 1219 TO 1528 UTC
04/29 1447 TO 1737 UTC
05/10 2328 TO 0220 UTC
BEVEL
04/22 0237 TO 0707 UTC
04/23 0237 TO 0707 UTC
04/24 0237 TO 0707 UTC
04/25 0237 TO 0707 UTC
04/26 0237 TO 0707 UTC
04/27 0237 TO 0707 UTC
04/28 0237 TO 0707 UTC
04/29 0237 TO 0707 UTC
04/30 0237 TO 0707 UTC
05/01 0237 TO 0707 UTC
05/02 0237 TO 0707 UTC
05/03 0237 TO 0707 UTC
05/04 0237 TO 0707 UTC
05/05 0237 TO 0707 UTC
SOLAR INTRUSIONS
04/15 0237 TO 0707 UTC
04/16 0237 TO 0707 UTC
04/17 0237 TO 0707 UTC
04/18 0237 TO 0707 UTC
04/19 0237 TO 0707 UTC
04/20 0237 TO 0707 UTC
04/21 0237 TO 0707 UTC
FOLLOWING ARE TIMES OF GOES-10 SINGLE CHORD OPERATIONS
FOR THE PERIOD APRIL 15... 1999 TO MAY 11... 1999.
LUNAR INTRUSIONS
04/16 0713 TO 1153 UTC
04/25 1535 TO 1849 UTC
04/26 1643 TO 1934 UTC
04/29 1853 TO 2144 UTC
05/05 0332 TO 0631 UTC
BEVEL
04/21 0713 TO 1153 UTC
04/22 0713 TO 1153 UTC
04/23 0713 TO 1153 UTC
04/24 0713 TO 1153 UTC
04/25 0713 TO 1153 UTC
04/26 0713 TO 1153 UTC
04/27 0713 TO 1153 UTC
04/28 0713 TO 1153 UTC
04/29 0713 TO 1153 UTC
04/30 0713 TO 1153 UTC
05/01 0713 TO 1153 UTC
05/02 0713 TO 1153 UTC
05/03 0713 TO 1153 UTC
05/04 0713 TO 1153 UTC
05/05 0713 TO 1153 UTC
05/06 0713 TO 1153 UTC
05/07 0713 TO 1153 UTC
05/08 0713 TO 1153 UTC
05/09 0713 TO 1153 UTC
SOLAR INTRUSIONS
04/15 0713 TO 1153 UTC
04/16 0713 TO 1153 UTC
04/17 0713 TO 1153 UTC
04/18 0713 TO 1153 UTC
04/19 0713 TO 1153 UTC
04/20 0713 TO 1153 UTC
STEVE ARNETT
SATELLITE ANALYSIS BRANCH
SATELLITE SERVICES DIVISION
NOAA/NESDIS
STEVE.ARNETT/AT SYMBOL/NOAA.GOV
END
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