M7 Foundation Callsign Availability Checker

Foundation Callsign Availability Tool - This lets you check to see if an M7 callsign has already been issued.

Enter an M7 Foundation Callsign:

Callsign Checker v1.10 © Essex Ham (Reload)

This tool checks to see if an M7 callsign has been taken, or is available - according to data released by Ofcom every few months.

It is still a work-in-progress, so don't rely on data on this page. Please contact us if the service appears broken, or you discover a problem.


The data used for this tool comes from Ofcom, and has been released under the Ofcom Open Data policy in accordance with the Open Government Licence 3.0.


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