KB4IV
Expired2x2Zone 4
License HolderMASON, WILLIAM W
License ClassAdvanced
Min. Class RequiredGeneral
Grant DateJul 21, 1998
Expiration DateJul 21, 2008
This callsign is available now
Requires General license or higher to apply for this callsign format (2x2).
License History
- License ExpiredJul 22, 2010
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
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