Geospatial

Glossary of geospatial and mapping terms

a b c d e f g h i j k l m n o p q r s t u v w x y z

Easting: The vertical grid reference lines of a map. The reference numbers associated with these lines get bigger from west to east.
GDA94: Geodetic Datum Australia, 1994
Grid Zone: Relates to a particular 100,000 meter square grid that all smaller maps fit into e.g. Blue Mountains 1:25,000 maps belong in Zone 56. You can find this information on the map under "Grid References".
Latitude: Latitude and Longitude These are points on the earths surface that are measured in degrees, minutes and seconds and these are the units that the garmin displays position in.
Longitude: Latitude and Longitude These are points on the earths surface that are measured in degrees, minutes and seconds and these are the units that the garmin displays position in.
MGA94: Map Grid of Australia, 1994
Northing: The horizontal grid reference lines of a map. The reference numbers associated with these lines get bigger from south to north.
UTM: Universal Transverse Mercator (UTM) is a method of defining a map grid. If you've ever looked at a topographic or street map you will be familiar with the grid superimposed over the map.
Waypoint: A point on a route which marks the position of the track or a critical navigation feature such as a bend or a junction.
WGS84: World Geodetic System, 1984

Making the web work!