K4OTJ
Active1x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderMAHONEY, MICHAEL S
License ClassGeneral
Min. Class RequiredGeneral
LocationSHEPHERDSVILLE, KY
Grant DateApr 3, 2026
Expiration DateApr 19, 2036
K4OTJ is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by MAHONEY, MICHAEL S in SHEPHERDSVILLE, KY. 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 MAHONEY, MICHAEL S on Apr 1, 2016. K4OTJ has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- --- - .---
CW Weight: 36 units(Moderate)
Voice Phonetics
Kilo Four Oscar Tango Juliet
Readability: 7.5/10(High readability)
License History
- License RenewedApr 3, 2026
- License IssuedApr 19, 2016
- Vanity Callsign GrantedApr 19, 2016
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- MAHONEY, MICHAEL SFiled Apr 1, 2016Not awardedFCC ↗