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928 NOUS40 KWBC 231305 FOS/NOAAPORT NOTICE NO. 1898 MARCH 23... 2001 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 MARCH 19... 2001 TO APRIL 17... 2001. LUNAR INTRUSIONS 04/06 1420 TO 1712 UTC 04/08 1602 TO 1854 UTC BEVEL 03/27 0237 TO 0802 UTC SOLAR INTRUSIONS 03/19 0237 TO 0707 UTC 03/23 0237 TO 0707 UTC 03/24 0237 TO 0707 UTC 03/25 0237 TO 0707 UTC 03/26 0237 TO 0707 UTC 03/27 0237 TO 0707 UTC 03/28 0237 TO 0707 UTC 03/29 0237 TO 0707 UTC 03/30 0237 TO 0707 UTC 03/31 0237 TO 0707 UTC 04/01 0237 TO 0707 UTC 04/02 0237 TO 0707 UTC 04/03 0237 TO 0707 UTC 04/04 0237 TO 0707 UTC 04/05 0237 TO 0707 UTC 04/06 0237 TO 0707 UTC 04/07 0237 TO 0707 UTC 04/08 0237 TO 0707 UTC 04/09 0237 TO 0707 UTC 04/10 0237 TO 0707 UTC 04/11 0237 TO 0707 UTC 04/12 0237 TO 0707 UTC 04/13 0237 TO 0707 UTC 04/14 0237 TO 0707 UTC 04/15 0237 TO 0707 UTC 04/16 0237 TO 0707 UTC 04/17 0237 TO 0707 UTC FOLLOWING ARE TIMES OF GOES-10 SINGLE CHORD OPERATIONS FOR THE PERIOD MARCH 19... 2001 TO APRIL 17... 2001. LUNAR INTRUSIONS 04/08 2009 TO 2301 UTC BEVEL NONE SOLAR INTRUSIONS 03/22 0713 TO 1153 UTC 03/23 0713 TO 1153 UTC 03/24 0713 TO 1153 UTC 03/25 0713 TO 1153 UTC 03/26 0713 TO 1153 UTC 03/27 0713 TO 1153 UTC 03/28 0713 TO 1153 UTC 03/29 0713 TO 1153 UTC 03/30 0713 TO 1153 UTC 03/31 0713 TO 1153 UTC 04/01 0713 TO 1153 UTC 04/02 0713 TO 1153 UTC 04/03 0713 TO 1153 UTC 04/04 0713 TO 1153 UTC 04/05 0713 TO 1153 UTC 04/06 0713 TO 1153 UTC 04/07 0713 TO 1153 UTC 04/08 0713 TO 1153 UTC 04/09 0713 TO 1153 UTC 04/10 0713 TO 1153 UTC 04/11 0713 TO 1153 UTC 04/12 0713 TO 1153 UTC 04/13 0713 TO 1153 UTC 04/14 0713 TO 1153 UTC 04/15 0713 TO 1153 UTC 04/16 0713 TO 1153 UTC 04/17 0713 TO 1153 UTC TOM RENKEVENS SATELLITE ANALYSIS BRANCH /SAB/ SATELLITE SERVICES DIVISION /SSD/ NOAA/NESDIS/OSDPD THOMAS.RENKEVENS/AT SYMBOL/NOAA.GOV THIS INFORMATION IS ALSO POSTED ON THE NWS SYSTEMS OPERATIONS CENTER CHANGE NOTICES WEB PAGE. THE URL IS LISTED BELOW. HTTP//WWW.NWS.NOAA.GOV/OSO/NOTICES/NOTICES.SHTML DATA MANAGEMENT DATA DISSEMINATION BRANCH TELECOMMUNICATION OPERATIONS CENTER RTH WASHINGTON SENDS ---------- End Forwarded Message ----------
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