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other at right angles on a map. Grid systems allow
you to locate or report on a specific point on the
map.
Heading (hea) Compass direction on the present course.
Latitude Angular distance North or South of the Equator.
Longitude Angular distance West or East of the prime
meridian.
Navigation Traveling between two locations on a route with
knowledge of the current position in relation to the
route.
Position Exact map coordinates of a given position.
Time of Sunrise (tsr) Time of sunrise based on the current GPS
position.
Time of Sunset (tss) Time of sunset based on the current GPS
position.
Time to Waypoint (ttw) Estimated travel time to the next waypoint based
on the current speed.
UTC offset UTC means Universal Time, Coordinated. There
are 25 standard time zones around the world that
are all an integer offset of hours to UTC-time. If
UTC-time is 12:00 (Noon/PM), then people having
offset +5 hours, have local time 17:00 (or 5:00
PM). There are also some countries/places not
using the standard time zones, they might be e.g.
5 hours and 45 minutes ahead of UTC.
Universal Transverse Mercator (UTM) A grid system where the world is divided into 60
north-south zones, each covering a strip 6° wide
in longitude.
Waypoint Position coordinates on a course stored in the
Suunto X9 memory.
WGS 84 WGS-84 (Geodetic, 1984) is an international
reference system (map datum) which defines the
shape of an earth ellipsoid, its angular velocity,
mass, and gravity.
