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NOUS40 KWBC 151410
FOS/NOAAPORT NOTICE NO. 1710 JUNE 15... 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 JUNE 12... 2000 TO JULY 11... 2000.
LUNAR INTRUSIONS
06/12 1206 TO 1457 UTC
06/23 2039 TO 2330 UTC
06/26 2257 TO 0149 UTC
07/09 1004 TO 1255 UTC
BEVEL
NONE
SOLAR INTRUSIONS
NONE
FOLLOWING ARE TIMES OF GOES-10 SINGLE CHORD OPERATIONS FOR THE
PERIOD JUNE 12...
2000 TO JULY 11... 2000.
LUNAR INTRUSIONS
06/12 1616 TO 1907 UTC
06/24 0049 TO 0402 UTC
06/27 0307 TO 0559 UTC
07/06 1151 TO 1443 UTC
07/09 1411 TO 1702 UTC
BEVEL
NONE
SOLAR INTRUSIONS
NONE
TOM RENKEVENS
SATELLITE ANALYSIS BRANCH /SAB/
SATELLITE SERVICES DIVISION /SSD/
NOAA/NESDIS
THOMAS.RENKEVENS/AT SYMBOL/NOAA.GOV
END
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