20000122: GOES Single Chord-ADMIN NOTICE NOUS40 KWBC (fwd)

• To: nws-changes@xxxxxxxxxxxxxxxx
• Subject: 20000122: GOES Single Chord-ADMIN NOTICE NOUS40 KWBC (fwd)
• From: Linda Miller <lmiller@xxxxxxxxxxxxxxxx>
• Date: Sat, 22 Jan 2000 14:59:12 -0700 (MST)

502 
NOUS40 KWBC 201403
FOS/NOAAPORT NOTICE NO. 1587     JANUARY 20... 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 JANUARY 19... 2000 TO FEBRUARY 17... 2000.


LUNAR INTRUSIONS

01/24          1846 TO 2138 UTC
01/27          2105 TO 2356 UTC
02/08          0237 TO 0835 UTC
02/11          0806 TO 1058 UTC

BEVEL

01/29          0237 TO 0707 UTC
01/30          0237 TO 0707 UTC
01/31          0237 TO 0707 UTC
02/01          0237 TO 0707 UTC
02/02          0237 TO 0707 UTC
02/03          0237 TO 0707 UTC
02/04          0237 TO 0707 UTC
02/05          0237 TO 0707 UTC
02/06          0237 TO 0707 UTC
02/07          0237 TO 0707 UTC
02/08          0237 TO 0707 UTC
02/09          0237 TO 0707 UTC
02/10          0237 TO 0707 UTC
02/11          0237 TO 0707 UTC
02/12          0237 TO 0707 UTC
02/13          0237 TO 0707 UTC
02/14          0237 TO 0707 UTC
02/15          0237 TO 0707 UTC
02/16          0237 TO 0707 UTC
02/17          0237 TO 0707 UTC


SOLAR INTRUSIONS

NONE

FOLLOWING ARE TIMES OF GOES-10 SINGLE CHORD OPERATIONS
FOR THE PERIOD JANUARY 19... 2000 TO FEBRUARY 17... 2000.

LUNAR INTRUSIONS

01/24          2254  TO 0145 UTC
01/28          0112  TO 0403 UTC
02/08          0713  TO 1243 UTC
02/11          0713  TO 1506 UTC

BEVEL

01/28          0713 TO 1153 UTC
01/29          0713 TO 1153 UTC
01/30          0713 TO 1153 UTC
01/31          0713 TO 1153 UTC
02/01          0713 TO 1153 UTC
02/02          0713 TO 1153 UTC
02/03          0713 TO 1153 UTC
02/04          0713 TO 1153 UTC
02/05          0713 TO 1153 UTC
02/06          0713 TO 1153 UTC
02/07          0713 TO 1153 UTC
02/08          0713 TO 1153 UTC
02/09          0713 TO 1153 UTC
02/10          0713 TO 1153 UTC
02/11          0713 TO 1153 UTC
02/12          0713 TO 1153 UTC
02/13          0713 TO 1153 UTC
02/14          0713 TO 1153 UTC
02/15          0713 TO 1153 UTC
02/16          0713 TO 1153 UTC
02/17          0713 TO 1153 UTC

SOLAR INTRUSIONS

NONE

STEVE ARNETT
SATELLITE ANALYSIS BRANCH /SAB/
SATELLITE SERVICES DIVISION /SSD/
NOAA/NESDIS
STEVE.ARNETT/AT SYMBOL/NOAA.GOV
END
NNNN