K2YI
Unknown1x2Zone 2
License HolderKOOPMANN, WILLIAM F
Min. Class RequiredAmateur Extra
Requires Amateur Extra license or higher to apply for this callsign format (1x2).
License History
- Vanity Callsign GrantedDec 9, 2025
- License IssuedDec 9, 2025
- License CanceledOct 24, 2023
- License IssuedJun 23, 2023
- Vanity Callsign GrantedJun 23, 2023
- License ExpiredMay 9, 2023
- License RenewedFeb 17, 2011
- Administrative Update AppliedMay 4, 2009
- License IssuedMay 8, 2001
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.