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Topic: GOES-9, 10, and 12 Single Chord Operations
Message Issued: March 31, 2004, 1645 UTC
Satellites Impacted: GOES-9, GOES-10, and GOES-12
Products Impacted: GOES-9, GOES-10, and GOES-12 Imager and Sounder Data
Date/Time of Initial Impact: April 1, 2004 0237 UTC
-----------------------------------------
Details:
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-12 single chord operations for the period
April 1 to April 27, 2004.
LUNAR INTRUSIONS
Apr. 03 1405 to 1657 UTC
Apr. 05 1540 to 1833 UTC
SOLAR INTRUSIONS
Apr. 01 0237 to 0707 UTC
Apr. 02 0237 to 0707 UTC
Apr. 03 0237 to 0707 UTC
Apr. 04 0237 to 0707 UTC
Apr. 05 0237 to 0707 UTC
Apr. 06 0237 to 0707 UTC
Apr. 07 0237 to 0707 UTC
Apr. 08 0237 to 0707 UTC
Apr. 09 0237 to 0707 UTC
Apr. 10 0237 to 0707 UTC
Apr. 11 0237 to 0707 UTC
Apr. 12 0237 to 0707 UTC
Apr. 13 0237 to 0707 UTC
Apr. 14 0237 to 0707 UTC
Apr. 15 0237 to 0707 UTC
Apr. 16 0237 to 0707 UTC
Apr. 17 0237 to 0707 UTC
Apr. 18 0237 to 0707 UTC
Apr. 19 0237 to 0707 UTC
Apr. 20 0237 to 0707 UTC
Apr. 21 0237 to 0707 UTC
Apr. 22 0237 to 0707 UTC
Apr. 23 0237 to 0707 UTC
Apr. 24 0237 to 0707 UTC
Apr. 25 0237 to 0707 UTC
Apr. 26 0237 to 0707 UTC
Apr. 27 0237 to 0707 UTC
--------------------------
Following are times of GOES-10 single chord operations for the period
April 1 to April 27, 2004.
LUNAR INTRUSIONS
Apr. 03 1814 to 2106 UTC
Apr. 05 1949 to 2242 UTC
SOLAR INTRUSIONS
Apr. 01 0713 to 1153 UTC
Apr. 02 0713 to 1153 UTC
Apr. 03 0713 to 1153 UTC
Apr. 04 0713 to 1153 UTC
Apr. 05 0713 to 1153 UTC
Apr. 06 0713 to 1153 UTC
Apr. 07 0713 to 1153 UTC
Apr. 08 0713 to 1153 UTC
Apr. 09 0713 to 1153 UTC
Apr. 10 0713 to 1153 UTC
Apr. 11 0713 to 1153 UTC
Apr. 12 0713 to 1153 UTC
Apr. 13 0713 to 1153 UTC
Apr. 14 0713 to 1153 UTC
Apr. 15 0713 to 1153 UTC
Apr. 16 0713 to 1153 UTC
Apr. 17 0713 to 1153 UTC
Apr. 18 0713 to 1153 UTC
Apr. 19 0713 to 1153 UTC
Apr. 20 0713 to 1153 UTC
Apr. 21 0713 to 1153 UTC
Apr. 22 0713 to 1153 UTC
Apr. 23 0713 to 1153 UTC
Apr. 24 0713 to 1153 UTC
Apr. 25 0713 to 1153 UTC
Apr. 26 0713 to 1153 UTC
Apr. 27 0713 to 1153 UTC
--------------------------
Following are times of GOES-9 single chord operations for the period
April 1 to April 27, 2004.
LUNAR INTRUSIONS
Apr. 03 2300 to 0151 UTC
Apr. 06 0036 to 0329 UTC
SOLAR INTRUSIONS
Apr. 01 1110 to 1550 UTC
Apr. 02 1110 to 1550 UTC
Apr. 03 1110 to 1550 UTC
Apr. 04 1110 to 1550 UTC
Apr. 05 1110 to 1550 UTC
Apr. 06 1110 to 1550 UTC
Apr. 07 1110 to 1550 UTC
Apr. 08 1110 to 1550 UTC
Apr. 09 1110 to 1550 UTC
Apr. 10 1110 to 1550 UTC
Apr. 11 1110 to 1550 UTC
Apr. 12 1110 to 1550 UTC
Apr. 13 1110 to 1550 UTC
Apr. 14 1110 to 1550 UTC
Apr. 15 1110 to 1550 UTC
Apr. 16 1110 to 1550 UTC
Apr. 17 1110 to 1550 UTC
Apr. 18 1110 to 1550 UTC
Apr. 19 1110 to 1550 UTC
Apr. 20 1110 to 1550 UTC
Apr. 21 1110 to 1550 UTC
Apr. 22 1110 to 1550 UTC
Apr. 23 1110 to 1550 UTC
Apr. 24 1110 to 1550 UTC
Apr. 25 1110 to 1550 UTC
Apr. 26 1110 to 1550 UTC
Apr. 27 1110 to 1550 UTC
------------------------------------------
Contact Information:
Brian Hughes
Satellite Services Division
NOAA/NESDIS/OSDPD
301-763-8051 x106
brian.hughes@xxxxxxxx
See http://www.ssd.noaa.gov/PS/SATS/messages.html for this and other
satellite related messages.
See http://www.ssd.noaa.gov for full GOES scanning schedules.
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