KF4MUM
Unknown2x3Zone 4
License HolderRAPER, DAVID M
License ClassGeneral
Min. Class RequiredTechnician
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- Administrative Update AppliedMar 5, 2026
- License RenewedDec 6, 2017
- Administrative Update AppliedDec 6, 2017
- License RenewedSep 21, 2006
- License ModifiedMay 30, 2000
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.