KA4JDO
Expired2x3Zone 10
License HolderHelfinstine, Mark A
License ClassTechnician
Min. Class RequiredTechnician
Grant DateAug 16, 1988
Expiration DateAug 16, 1998
This callsign is available now
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- License ExpiredAug 17, 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.