KM4TIO
Active2x3District 4
No competing applications on record.
License HolderCALLAHAN, JACK N
License ClassTechnician
Min. Class RequiredTechnician
LocationCLEVELAND, TN
Grant DateFeb 26, 2026
Expiration DateApr 19, 2036
KM4TIO is a 2x3 format amateur radio callsign. It is currently registered to CALLAHAN, JACK N in CLEVELAND, 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: 34 units(Moderate)
Voice Phonetics
Kilo Mike Four Tango India Oscar
Readability: 7.5/10(High readability)
License History
- Administrative Update AppliedMar 2, 2026
- License RenewedFeb 26, 2026
- System-Generated GrantApr 19, 2016
- License IssuedApr 19, 2016
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.