KR4MTR
Active2x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderLyon, Allen R
License ClassTechnician
Min. Class RequiredTechnician
LocationStanton, CA
Grant DateJun 10, 2026
Expiration DateJun 10, 2036
KR4MTR is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Lyon, Allen R in Stanton, CA. 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 Randall JR, Larry K on Jan 22, 2024. KR4MTR has 2 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- .-. ....- -- - .-.
CW Weight: 33 units(Moderate)
Voice Phonetics
Kilo Romeo Four Mike Tango Romeo
Readability: 7/10(Good readability)
License History
- System-Generated GrantJun 10, 2026
- License IssuedJun 10, 2026
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Randall JR, Larry KFiled Jan 22, 2024DismissedFCC ↗