K4OJR
Unknown1x3
License HolderBALL, DAVID A
Min. Class RequiredGeneral
Requires General license or higher to apply for this callsign format (1x3).
License History
- License RenewedOct 14, 2023
- License RenewedOct 1, 2013
- Administrative Update AppliedNov 10, 2004
- Administrative Update AppliedNov 2, 2004
- License IssuedOct 11, 2003
- Vanity Callsign GrantedOct 11, 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.