K4SM
Unknown1x2Zone 4
License HolderACHTERHOF, MARVIN L
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
Requires Amateur Extra license or higher to apply for this callsign format (1x2).
License History
- License RenewedDec 2, 2020
- Administrative Update AppliedSep 19, 2014
- License RenewedJan 7, 2011
- License IssuedFeb 13, 2001
- Internal Correction AppliedFeb 6, 2001
- Internal Correction AppliedFeb 6, 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.