KP4AAK
Unknown2x3
License HolderRIOS, GUILLERMO E
Min. Class RequiredTechnician
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- Administrative Update AppliedJan 26, 2026
- License RenewedJan 23, 2026
- License RenewedFeb 10, 2016
- License ModifiedJul 15, 2011
- License RenewedJan 24, 2006
- Administrative Update AppliedJun 1, 2002
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.