KX4FOX
Available2x3District 4
Competitive callsign — 4 applications filed with the FCC.
License HolderDiaz, Ivan V
License ClassAmateur Extra
Min. Class RequiredTechnician
LocationMiami, FL
Grant DateSep 3, 2021
Expiration DateSep 3, 2031
Cancellation DateMar 15, 2022
Available for ApplicationsMar 16, 2024
KX4FOX is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Diaz, Ivan V in Miami, FL. This callsign has attracted significant interest in the amateur radio community, with 4 vanity applications filed with the FCC. The most recent was submitted by Fox, Monty W on May 19, 2026. KX4FOX has 6 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- -..- ....- ..-. --- -..-
CW Weight: 45 units(Heavy (slower to send))
Voice Phonetics
Kilo X-ray Four Foxtrot Oscar X-ray
Readability: 7.5/10(High readability)
This callsign is available now
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- License CanceledMar 15, 2022
- Administrative Update AppliedOct 20, 2021
- License ModifiedOct 5, 2021
- License ModifiedSep 21, 2021
- License IssuedSep 3, 2021
- Vanity Callsign GrantedSep 3, 2021
Vanity Application Activity
Competing applications filed with the FCC for this callsign.