KD4YFO
Unknown2x3Zone 4
License HolderRosenau, Sam S
License ClassAmateur Extra
Min. Class RequiredTechnician
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- License ExpiredMar 6, 2026
- License RenewedOct 17, 2013
- Administrative Update AppliedJun 26, 2013
- Tax ID (TIN) AddedSep 25, 2003
- License RenewedSep 25, 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.