K4CKV
Expired1x3Zone 4
License HolderUMBERGER, WILLIAM R
License ClassAdvanced
Min. Class RequiredGeneral
Grant DateDec 29, 1987
Expiration DateDec 29, 1997
This callsign is available now
Requires General license or higher to apply for this callsign format (1x3).
License History
- License ExpiredDec 30, 1999
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
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