2000317: Single Chord Ops-ADMIN NOTICE NOUS40 KWBC (fwd)

• To: nws-changes@xxxxxxxxxxxxxxxx
• Subject: 2000317: Single Chord Ops-ADMIN NOTICE NOUS40 KWBC (fwd)
• From: Linda Miller <lmiller@xxxxxxxxxxxxxxxx>
• Date: Fri, 17 Mar 2000 07:51:20 -0700

851 
NOUS40 KWBC 171439
FOS/NOAAPORT NOTICE NO. 1622     MARCH 17... 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 MARCH 13... 2000 TO APRIL 11... 2000.

LUNAR INTRUSIONS

03/19          1511 TO 1802 UTC
03/22          1732 TO 2023 UTC

BEVEL

NONE

SOLAR INTRUSIONS

03/13          0237 TO 0707 UTC
03/14          0237 TO 0707 UTC
03/15          0237 TO 0707 UTC
03/16          0237 TO 0707 UTC
03/17          0237 TO 0707 UTC
03/18          0237 TO 0707 UTC
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

FOLLOWING ARE TIMES OF GOES-10 SINGLE CHORD OPERATIONS FOR
THE PERIOD MARCH 13... 2000 TO APRIL 11... 2000.

LUNAR INTRUSIONS

03/19          1922 TO 2214 UTC
03/21          2058 TO 2350 UTC
03/22          2143 TO 0034 UTC

BEVEL

NONE

SOLAR INTRUSIONS

03/13          0713 TO 1153 UTC
03/14          0713 TO 1153 UTC
03/15          0713 TO 1153 UTC
03/16          0713 TO 1153 UTC
03/17          0713 TO 1153 UTC
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

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

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