KR4LJK
Active2x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderSimpson, Matthew L
License ClassTechnician
Min. Class RequiredTechnician
LocationBartow, FL
Grant DateApr 14, 2026
Expiration DateApr 14, 2036
KR4LJK is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Simpson, Matthew L in Bartow, FL. 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 Krutsinger, Lawrence D on Jun 1, 2026. KR4LJK 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 Lima Juliet Kilo
Readability: 6.5/10(Good readability)
License History
- System-Generated GrantApr 14, 2026
- License IssuedApr 14, 2026
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Krutsinger, Lawrence DFiled Jun 1, 2026Not awardedFCC ↗