Spatial referencing system

A spatial referencing system (SRS) is a coordinate-based local, regional or global system used to locate geographical entities. Some of systems in existence are:


 * Universal Transverse Mercator coordinate system
 * British national grid reference system
 * Irish grid reference system
 * Irish Transverse Mercator
 * Israeli Transverse Mercator
 * Israeli Cassini Soldner
 * Jordan Transverse Mercator
 * United States National Grid