KR4MLZ
Active2x3District 4
Competitive callsign — 2 applications filed with the FCC.
License HolderThomas, Mark P
License ClassTechnician
Min. Class RequiredTechnician
LocationTrenton, FL
Grant DateMay 27, 2026
Expiration DateMay 27, 2036
KR4MLZ is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Thomas, Mark P in Trenton, FL. This callsign has attracted significant interest in the amateur radio community, with 2 vanity applications filed with the FCC. The most recent was submitted by Long, Marcus on Jun 4, 2026. KR4MLZ has 2 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- .-. ....- -- .-.. --..
CW Weight: 39 units(Moderate)
Voice Phonetics
Kilo Romeo Four Mike Lima Zulu
Readability: 7.5/10(High readability)
License History
- System-Generated GrantMay 27, 2026
- License IssuedMay 27, 2026
Vanity Application Activity
Competing applications filed with the FCC for this callsign.