KF4REX
Expired2x3Zone 4
License HolderCASTALLANOS, RENE F
License ClassTechnician
Min. Class RequiredTechnician
Grant DateApr 26, 1997
Expiration DateApr 26, 2007
This callsign is available now
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- License ExpiredApr 28, 2009
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.