KR4JON
Active2x3District 4
Competitive callsign — 5 applications filed with the FCC.
License HolderSloan, Lawrence A
License ClassTechnician
Min. Class RequiredTechnician
LocationDania Beach, FL
Grant DateFeb 11, 2026
Expiration DateFeb 11, 2036
KR4JON is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Sloan, Lawrence A in Dania Beach, FL. This callsign has attracted significant interest in the amateur radio community, with 5 vanity applications filed with the FCC. The most recent was submitted by Beard, Jonathan J on May 6, 2026. KR4JON has 2 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- .-. ....- .--- --- -.
CW Weight: 42 units(Heavy (slower to send))
Voice Phonetics
Kilo Romeo Four Juliet Oscar November
Readability: 6/10(Good readability)
License History
- System-Generated GrantFeb 11, 2026
- License IssuedFeb 11, 2026
Vanity Application Activity
Competing applications filed with the FCC for this callsign.