K4ZRI
Unknown1x3Zone 4
License HolderWalsh, Shawn P
License ClassAmateur Extra
Min. Class RequiredGeneral
Requires General license or higher to apply for this callsign format (1x3).
License History
- License RenewedApr 25, 2026
- License ModifiedJun 16, 2025
- License IssuedMay 24, 2016
- Vanity Callsign GrantedMay 24, 2016
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.