KF4MBM
Available2x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderWARRINER, WILLIAM K
License ClassNovice
Min. Class RequiredTechnician
LocationCREWE, VA
Grant DateSep 18, 1996
Expiration DateSep 18, 2006
Cancellation DateSep 19, 2008
Available for ApplicationsSep 19, 2008
KF4MBM is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by WARRINER, WILLIAM K in CREWE, VA. This callsign has attracted significant interest in the amateur radio community, with 1 vanity application filed with the FCC. The most recent was submitted by Mathis, Macey B on Jan 27, 2025. KF4MBM has 1 recorded FCC license history event.
CW & Voice Analysis
Morse Code
-.- ..-. ....- -- -... --
CW Weight: 38 units(Moderate)
Voice Phonetics
Kilo Foxtrot Four Mike Bravo Mike
Readability: 8.5/10(High readability)
This callsign is available now
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- License ExpiredSep 19, 2008
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Mathis, Macey BFiled Jan 27, 2025Not awardedFCC ↗