A guide to coordinate systems in Great Britain

This guide can be considered essential reading for anyone trying to work with coordinates in Great Britain. It is a gentle introduction and an excellent source of information on the often confusing subjects of GPS and Ordnance Survey coordinate systems.

The guide is also the user guide to the companion coordinate utility spreadsheet.

The guide is available in a PDF document format. You may require Adobe® Acrobat® Reader to open this document.

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