WTR Browser – Licensed Radio Sites

Summary: Browsing Ofcom Wireless Telegraphy Register data for licensed radio transmitter sites.

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The WTR Browser gives you access to Ofcom’s Wireless Telegraphy Register — the official record of licensed radio transmitter sites in the UK — directly on the map. Sites are grouped by mode, and you can search by company name, address, or licence number.

Click a site for a detail popup showing the licensing company and licence information associated with it. This is a reference tool for anyone wanting to identify what’s licensed to transmit from a given location.