KA4JDU
Unknown2x3Zone 5
License HolderFrenzel, John C
License ClassAmateur Extra
Min. Class RequiredTechnician
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- License CanceledJun 3, 2000
- License ModifiedMay 16, 2000
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.