KR4MFO
Active2x3District 4
No competing applications on record.
License HolderArmstrong, Ken A
License ClassTechnician
Min. Class RequiredTechnician
LocationAthens, TN
Grant DateMay 15, 2026
Expiration DateMay 15, 2036
KR4MFO is a 2x3 format amateur radio callsign. It is currently registered to Armstrong, Ken A in Athens, TN. There are currently no competing vanity applications or pending FCC filings on record for this callsign. Add it to your watchlist to receive an immediate alert if another operator files a vanity application.
CW & Voice Analysis
Morse Code
-.- .-. ....- -- ..-. ---
CW Weight: 40 units(Moderate)
Voice Phonetics
Kilo Romeo Four Mike Foxtrot Oscar
Readability: 7.5/10(High readability)
License History
- System-Generated GrantMay 15, 2026
- License IssuedMay 15, 2026
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
No competing applications on record. Verify on the FCC ULS application search before filing.