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| − | [[Coordinates]] are a means of numerical description for a location on the earths' surface. [[Geocaching]] uses coordinates of [[Latitude and longitude | Latitude]] and [[Latitude and longitude | Longitude]] (Lat/Lon) to describe the location of the cache or its intermediate [[waypoint]]s.
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| − | For the purposes of geocaching, Lat/Lon coordinates are expressed in Degrees, Minutes, decimal minutes ( DDD°MM.mmm' ), but for purposes of general navigation (especially at sea) Lat/Lon is expressed in Degrees, Minutes and Seconds ( DDD°MM'SS" ).
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| − | An alternate system of coordinates is UTM, which is short for [http://www.uwgb.edu/dutchs/FieldMethods/UTMSystem.htm Universal Transverse Mercator]. UTM would be a better system to use for geocaching, because it's more accurate and, being based on the metric system, it's better suited to terrestial applications. However, even though geocaching.com lists UTM as well as [[Latitude and longitude | Lat/Lon]], very few cachers or [[waypoint_management_software | waypoint management programs]] seem to use it.
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| − | The other component of a set of [[coordinates]] is the datum used. Geocache listings use the [[WGS84]] datum, and your [[GPS | GPSr]] needs to be set to this.
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Latest revision as of 13:15, 13 October 2025
This page has been replaced by https://geocaching.com.au/help/view/Coordinates
