KJ4FUN
Available2x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderKEMPER, RONALD J
License ClassTechnician
Min. Class RequiredTechnician
LocationFISHERS, IN
Grant DateAug 8, 2008
Expiration DateAug 8, 2018
Cancellation DateAug 11, 2020
Available for ApplicationsAug 9, 2020
KJ4FUN is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by KEMPER, RONALD J in FISHERS, IN. 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 SARGENT, LYNDALL C on Mar 31, 2026. KJ4FUN has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- .--- ....- ..-. ..- -.
CW Weight: 39 units(Moderate)
Voice Phonetics
Kilo Juliet Four Foxtrot Uniform November
Readability: 6/10(Good readability)
This callsign is available now
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- License ExpiredAug 11, 2020
- System-Generated GrantAug 8, 2008
- License IssuedAug 8, 2008
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- SARGENT, LYNDALL CFiled Mar 31, 2026Not awardedFCC ↗