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325 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 NNNN ---------- End Forwarded Message ----------
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