" GIORQK GPS Information "

SOTA Summits GPS information for Northern Ireland.

Grid Reference

The Ordnance Survey of Northern Ireland uses the Irish Grid Reference System.  The Irish Grid is divided into lettered squares with 100 kilometre sides.  A 6-figure grid reference has "the appropriate letter in conjunction with the co-ordinate value estimated to the nearest 100 metres from the Southwest corner of the 1 Kilometre Square in which the point lies" For example the "full 100 metre reference" for Slieve Donard is J 358276

In the SOTA Reference Manual the position of a summit is given by a 6-figure grid reference. This grid reference gives the Southwest corner of the 100m x 100m grid square which the summit is in.

GPS set-up

In Northern Ireland to be compatible with the Irish Grid Reference System, a GPS needs to have following settings:

Map Datum:                          Ireland 1965

Co-ordinate Format:             Irish Grid

Waypoints

A list of the Northern Ireland SOTA Summits has been entered for loading as waypoints into a GPS.

The GPS information is contained in a file named "SOTA_GI.gps" the waypoint number list is included on the following waypoints page.

The list of Northern Ireland SOTA summits may be uploaded into a GPS using a program called GPS Utility (Version 4.04.3) by A S Murphy, which may be found at http://www.gpsu.co.uk.

The "FREEWARE VERSION" will allow 100 Waypoints.

A list of GPS Waypoints for UK Mountains and hills may be found at the following web address: http://www.36haroldstreet.freeserve.co.uk/waypoints.htm

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