KR4ZJ
Unknown2x2
License HolderJASKOLKA, JOHN A
Min. Class RequiredGeneral
Requires General license or higher to apply for this callsign format (2x2).
License History
- License ExpiredMay 12, 2026
- License RenewedFeb 12, 2014
- Administrative Update AppliedNov 13, 2002
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.