W4DYR
Unknown1x3Zone 4
License HolderO'Brien, Michael D
License ClassAmateur Extra
Min. Class RequiredGeneral
Requires General license or higher to apply for this callsign format (1x3).
License History
- Administrative Update AppliedMar 28, 2018
- License RenewedMay 25, 2017
- License IssuedJul 28, 2007
- Vanity Callsign GrantedJul 28, 2007
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
No competing applications detected. Monitor the FCC ULS application search to verify before filing.