KM4OTN
Active2x3District 4
No competing applications on record.
License HolderCharlton, John G
License ClassAmateur Extra
Min. Class RequiredTechnician
LocationSeymour, IN
Grant DateDec 11, 2025
Expiration DateDec 11, 2035
KM4OTN is a 2x3 format amateur radio callsign. It is currently registered to Charlton, John G in Seymour, IN. 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: 36 units(Moderate)
Voice Phonetics
Kilo Mike Four Oscar Tango November
Readability: 7.5/10(High readability)
License History
- License RenewedDec 11, 2025
- System-Generated GrantNov 10, 2015
- License IssuedNov 10, 2015
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.