K4WSM
Unknown1x3Zone 4
License HolderHAIRSTON, WILLIAM W
License ClassGeneral
Min. Class RequiredGeneral
Requires General license or higher to apply for this callsign format (1x3).
License History
- License RenewedApr 7, 2026
- Administrative Update AppliedMar 17, 2026
- Administrative Update AppliedSep 10, 2019
- License RenewedJun 1, 2016
- Administrative Update AppliedNov 24, 2010
- Vanity Callsign GrantedJun 30, 2006
- License IssuedJun 30, 2006
- License CanceledSep 10, 2002
- License IssuedOct 27, 2001
- Vanity Callsign GrantedOct 27, 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.