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Global Positioning System (GPS)
Heading (hea)
Knots (kt
Latitude
Lay line
Longitude
Nautical Mile
Navigation
Position
Tack
Tack angle difference (tad)
Time to Lay line (ttl)
Time to Start line (tsl)
Time of Sunrise (tsr)
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A satellite tracking system.
Compass direction on the present course.
Velocity in nautical miles per hour.
Angular distance North or South of the Equator.
Optimal line towards a waypoint based on the wind direction.
Angular distance West or East of the prime meridian.
One nautical mile equals 1852 meters.
Traveling between two locations on a route with knowledge of
the current location in relation to the route.
Exact map coordinates of a given location.
Direction of the vessel in relation to the wind.
A change in the tack angle caused by the wind.
Time to reach an optimal line towards a waypoint.
Time to reach the start line based on the current velocity
and location.
Estimated time to sunrise based on a GPS fix.
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