K4SF
Unknown1x2Zone 1
License HolderENGLUND, JOHN B
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
Requires Amateur Extra license or higher to apply for this callsign format (1x2).
License History
- License RenewedMar 8, 2022
- Vanity Callsign GrantedApr 28, 2012
- License IssuedApr 28, 2012
- Internal Correction AppliedFeb 15, 2011
- Internal Correction AppliedFeb 15, 2011
- License RenewedApr 24, 2009
- License ModifiedJun 3, 2003
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.