KF4X
Active2x1District 4
Competitive callsign — 8 applications filed with the FCC.
License HolderDrum, Joshua T
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
LocationFellsmere, FL
Grant DateApr 3, 2026
Expiration DateApr 3, 2036
KF4X is a highly sought-after 2x1 format amateur radio callsign. The license is currently held by Drum, Joshua T in Fellsmere, FL. This callsign has attracted significant interest in the amateur radio community, with 8 vanity applications filed with the FCC. The most recent was submitted by Ruiz, Fernando M on Mar 23, 2026. KF4X has 7 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ..-. ....- -..-
CW Weight: 28 units(Light (fast to send))
Voice Phonetics
Kilo Foxtrot Four X-ray
Readability: 8.5/10(High readability)
License History
- Vanity Callsign GrantedApr 3, 2026
- License IssuedApr 3, 2026
- License ExpiredMar 17, 2026
- Administrative Update AppliedJul 2, 2015
- Administrative Update AppliedOct 24, 2014
- License RenewedFeb 7, 2014
- Tax ID (TIN) AddedJan 8, 2004
Vanity Application Activity
Competing applications filed with the FCC for this callsign.