K4DSW
Unknown1x3Zone 4
License HolderWalker II, David S
License ClassAmateur Extra
Min. Class RequiredGeneral
Requires General license or higher to apply for this callsign format (1x3).
License History
- Administrative Update AppliedFeb 20, 2026
- Administrative Update AppliedApr 12, 2025
- License RenewedDec 21, 2018
- License ModifiedJan 13, 2010
- License IssuedMar 3, 2009
- Vanity Callsign GrantedMar 3, 2009
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.