K3SI
Unknown1x2Zone 3
License HolderWelker, David A
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
Requires Amateur Extra license or higher to apply for this callsign format (1x2).
License History
- License RenewedJan 30, 2017
- License RenewedFeb 3, 2007
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.