K4ST
Unknown1x2
License HolderENDO, KIYOSHI
Min. Class RequiredAmateur Extra
Requires Amateur Extra license or higher to apply for this callsign format (1x2).
License History
- Administrative Update AppliedJul 26, 2025
- License RenewedFeb 15, 2019
- Administrative Update AppliedMay 4, 2018
- Administrative Update AppliedNov 24, 2014
- Administrative Update AppliedJun 11, 2009
- License RenewedJan 14, 2009
- Administrative Update AppliedJul 2, 2003
- Administrative Update AppliedMar 27, 2002
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.