KA4SFM
Expired2x3Zone 4
License HolderKOOPMANN, WILLIAM F
License ClassP
Min. Class RequiredTechnician
Grant DateJun 7, 1988
Expiration DateJun 7, 1998
This callsign is available now
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- License ExpiredJun 9, 2000
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
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