19990809: GOES Single Chord

895 
NOUS40 KWBC 091908
FOS/NOAAPORT NOTICE NO. 1514     AUGUST 9... 1999

ATTENTION    FAMILY OF SERVICES SUBSCRIBERS
             NOAAPORT USERS

SUBJECT      SINGLE CHORD OPERATIONS - ISSUED 8/09/99

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 AUGUST 09... 1999 TO SEPTEMBER 07... 1999.

LUNAR INTRUSIONS
08/27          1600 TO 1851 UTC
08/28          1649 TO 1940 UTC
08/30          1828 TO 2121 UTC

BEVEL
08/09          0237 TO 0707 UTC
08/10          0237 TO 0707 UTC
08/11          0237 TO 0707 UTC
08/12          0237 TO 0707 UTC
08/13          0237 TO 0707 UTC
08/14          0237 TO 0707 UTC
08/15          0237 TO 0707 UTC
08/16          0237 TO 0707 UTC
08/17          0237 TO 0707 UTC
08/18          0237 TO 0707 UTC
08/19          0237 TO 0707 UTC
08/20          0237 TO 0707 UTC
08/21          0237 TO 0707 UTC
08/22          0237 TO 0707 UTC

SOLAR INTRUSIONS
08/23          0237 TO 0707 UTC
08/24          0237 TO 0707 UTC
08/25          0237 TO 0707 UTC
08/26          0237 TO 0707 UTC
08/27          0237 TO 0707 UTC
08/28          0237 TO 0707 UTC
08/29          0237 TO 0707 UTC
08/30          0237 TO 0707 UTC
08/31          0237 TO 0707 UTC
09/01          0237 TO 0707 UTC
09/02          0237 TO 0707 UTC
09/03          0237 TO 0707 UTC
09/04          0237 TO 0707 UTC
09/05          0237 TO 0707 UTC
09/06          0237 TO 0707 UTC
09/07          0237 TO 0707 UTC

FOLLOWING ARE TIMES OF GOES-10 SINGLE CHORD OPERATIONS
FOR THE PERIOD AUGUST 09...1999 TO SEPTEMBER 07... 1999.

LUNAR INTRUSIONS
08/27          2008 TO 2300 UTC
08/30          2239 TO 0131 UTC

BEVEL
08/09          0713 TO 1153 UTC
08/10          0713 TO 1153 UTC
08/11          0713 TO 1153 UTC
08/12          0713 TO 1153 UTC
08/13          0713 TO 1153 UTC
08/14          0713 TO 1153 UTC
08/15          0713 TO 1153 UTC
08/16          0713 TO 1153 UTC
08/17          0713 TO 1153 UTC
08/18          0713 TO 1153 UTC
08/19          0713 TO 1153 UTC
08/20          0713 TO 1153 UTC
08/21          0713 TO 1153 UTC
08/22          0713 TO 1153 UTC

SOLAR INTRUSIONS
08/23          0713 TO 1153 UTC
08/24          0713 TO 1153 UTC
08/25          0713 TO 1153 UTC
08/26          0713 TO 1153 UTC
08/27          0713 TO 1153 UTC
08/28          0713 TO 1153 UTC
08/29          0713 TO 1153 UTC
08/30          0713 TO 1153 UTC
08/31          0713 TO 1153 UTC
09/01          0713 TO 1153 UTC
09/02          0713 TO 1153 UTC
09/03          0713 TO 1153 UTC
09/04          0713 TO 1153 UTC
09/05          0713 TO 1153 UTC
09/06          0713 TO 1153 UTC
09/07          0713 TO 1153 UTC
STEVE ARNETT
SATELLITE ANALYSIS BRANCH /SAB/
SATELLITE SERVICES DIVISION /SSD/
NOAA/NESDIS
STEVE.ARNETT/AT SYMBOL/NOAA.GOV
END
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