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Software of the Month Club 1998 June
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year.sim
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1998-04-15
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722b
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27 lines
; year.sim - Examine position of sun and stars for a year using
; Synchronous Orbits.
Output DBF: C:gps
; Uncomment the next line and zoom to 1000 at 0 0 to view end
; positions of different years for the last day only.
;start at 12-31-70 delta time 60
stop at 01-01-71,05:48:46 ; tropical year (equinox to equinox)
;stop at 01-01-71,06:09:10 ; sidereal year (fixed stars)
;stop at 01-01-71,06:13:53 ; anomalistic year (perihelion to perihelion)
simulation rate 500000
0 DEFINE SOLAR 0 0
period 24
COLOR 7 heading 90
0 DEFINE SUN 0 0
fixed
COLOR 15 heading 270
0 DEFINE GEO 0 0
geosynchronous COLOR 4 heading 90