KC4JA
Active2x2District 4
Competitive callsign — 3 applications filed with the FCC.
License HolderARNOLD, JONATHAN D
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationLOUISVILLE, KY
Grant DateMay 12, 2026
Expiration DateMay 12, 2036
KC4JA is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by ARNOLD, JONATHAN D in LOUISVILLE, KY. This callsign has attracted significant interest in the amateur radio community, with 3 vanity applications filed with the FCC. The most recent was submitted by ARNOLD, JONATHAN D on Apr 23, 2026. KC4JA has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- -.-. ....- .--- .-
CW Weight: 36 units(Moderate)
Voice Phonetics
Kilo Charlie Four Juliet Alpha
Readability: 7.5/10(High readability)
License History
- License IssuedMay 12, 2026
- Vanity Callsign GrantedMay 12, 2026
- License ExpiredMar 28, 2007
Vanity Application Activity
Competing applications filed with the FCC for this callsign.