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KB4MPU

Available2x3Zone 4

License HolderSWANSON, GREGORY M

License ClassAmateur Extra

Min. Class RequiredTechnician

Grant DateSep 8, 1998

Expiration DateSep 8, 2008

Cancellation DateSep 9, 2010

Available for ApplicationsSep 9, 2010

This callsign is available now

Requires Technician license or higher to apply for this callsign format (2x3).

License History

License ExpiredSep 9, 2010

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.

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← KB4MPS KB4MPX →

FCC data as of Jun 12, 2026 — may be delayed

KB4MPU — CallsignFinder.com