K4TSO
Unknown1x3Zone 4
License HolderBALDWIN, DONALD F
License ClassGeneral
Min. Class RequiredGeneral
Requires General license or higher to apply for this callsign format (1x3).
License History
- License RenewedJan 12, 2022
- Authorization PrintedJul 26, 2018
- Reference Copy Duplicate RequestedJul 25, 2018
- License ModifiedApr 19, 2018
- License ModifiedJan 22, 2013
- License IssuedFeb 22, 2012
- Vanity Callsign GrantedFeb 22, 2012
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.