NK4O
Unknown2x1Zone 4
License HolderBISCHOFF, WILLIAM S
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
Requires Amateur Extra license or higher to apply for this callsign format (2x1).
License History
- License RenewedFeb 8, 2022
- License RenewedMar 22, 2012
- License ModifiedMar 21, 2012
- License IssuedMay 3, 2002
- Vanity Callsign GrantedMay 3, 2002
- License CanceledMar 28, 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.