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This website currently contains a database of all issued UK and US amateur radio call signs. The UK database is updated quarterly from data supplied by OFCOM. Where the licensee has consented to make their details public the entry also contains the licensee's personal data they have shared with OFCOM.

The UK dataset currently consists of 153,012 call signs.
The US dataset currently consists of 1,678,165 call signs.

We plan on introducing a RoW (Rest of World) database soon, so if you hold a call sign from a country other than the UK & the USA you may register your details with us so you are included in the database. This will allow others to find you.

In order to use the site you need to register for an account. Once you have registered you will be given "Basic" access, this is free of charge and will allow you to search for call signs to determine if they exist in the database. If you want to view the details of the call sign holder you will need to request "Verified" access. If you are a licensed radio amateur this is free of charge, you just need to provide a copy your amateur radio license. If you are not a licensed radio amateur please contact us to explain why you would like access.