Magellan SporTrak GPS Receiver 75
Appendix
ETE Estimated Time Enroute. The estimated time
remaining to reach the next waypoint in a route.
HDG Heading. The direction you are facing, defined as an
angle from North.
Latitude The angular distance north or south of the equator
measured by lines encircling the earth parallel to the
equator from 0˚ to 90˚.
LAT/LON Coordinate system using latitude and longitude
coordinates to define a position on the earth.
Leg (Route) A segment of a route that has a starting (FROM)
waypoint and a destination (TO) waypoint. A route
may consist of 1 or more legs. A route that is from
waypoint A to waypoint B to waypoint C to waypoint
D has three legs with the first being from waypoint A
to waypoint B.
Longitude The angular distance east or west of the prime
meridian (Greenwich Meridian) as measured by lines
perpendicular to the parallels and converging at the
poles from 0˚ to 180˚.
Magnetic North The direction relative to a magnetic compass.
NMEA National Marine Electronics Association. A profes-
sional organization that defines and maintains the
standard serial format used by marine electronic
navigation equipment and computer interfaces.
OSGB A coordinate system describing only Great Britain,
similar to UTMs. Used with GRB36 datum.
Position fix Position coordinates as computed by the SporTrak.
SOG Speed Over Ground. The speed at which the receiver
is moving.
TMP Temperature.
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