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This website currently contains a database of all UK amateur radio call signs where the licensee has opted to make their details public with OFCOM. It also contains a list of all US call signs, these are automatically downloaded from the FCC/ULS database every 24 hours.

If you hold a call sign from another country 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.