Acknowledgements

We are very grateful to Mythic Beasts Ltd and The Ringing World for providing us with free internet hosting.

This site makes use of the following data, services and software:

PHPCoord PHP library by Jonathan Stott and Doug Wright
Kolombido HTML PHP library by Richard Smith
The zipfile PHP class by Eric Mueller
Open Postcode Geo API, which is derived from the ONS Postcode Directory
jQuery JavaScript library
jQuery UI JavaScript library
OpenStreetMap – a community-drived open-source map
Overpass API for verifying the regions a tower is in
Wikishire lookup API which uses data from the Historic Counties Trust
OpenLayers JavaScript library
Libertinus fonts, which derive from the Linux Libertine fonts by Philipp H. Poll