K4SPH
Unknown1x3Zone 4
License HolderHanneman, Steven P
License ClassAmateur Extra
Min. Class RequiredGeneral
Requires General license or higher to apply for this callsign format (1x3).
License History
- License IssuedMar 11, 2025
- Vanity Callsign GrantedMar 11, 2025
- License CanceledOct 16, 2024
- Administrative Update AppliedJan 24, 2023
- License IssuedApr 23, 2022
- Vanity Callsign GrantedApr 23, 2022
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.