W5DMM
Unknown1x3Zone 5
License HolderHEPLER JR, JOHN H
License ClassAmateur Extra
Min. Class RequiredGeneral
Requires General license or higher to apply for this callsign format (1x3).
License History
- License ExpiredMar 6, 2026
- License RenewedOct 21, 2013
- License RenewedOct 30, 2003
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.