KE9OI
Unknown2x2
License HolderCZERNIAK, DAVID L
Min. Class RequiredGeneral
Requires General license or higher to apply for this callsign format (2x2).
License History
- License ExpiredMar 6, 2026
- License RenewedJul 17, 2013
- License ModifiedApr 23, 2007
- License RenewedJul 17, 2003
- Tax ID (TIN) AddedJan 8, 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.