Confidence: Medium · Source: FCC ULS · As of 2026-09-09
K4OTJ
ActiveMAHONEY, MICHAEL S
- Location
- SHEPHERDSVILLE, KY
- Class
- General
- Granted
- 2026-04-03
- Expires
- 2036-04-19
- Previous call
- KE4OTJ
- FRN
- 0010840486
Sign in to watch
Get notified about status changes and vanity availability for this callsign.
Vanity availability
HeldCurrently held
K4OTJ is held by an active license; it isn't a vanity slot right now.
Vanity availability dates are computed from FCC §97.19's hold periods: 2 years from the cancellation date for cancelled or terminated licenses, 4 years from the expiration date for expired licenses (2-year renewal grace + 2-year hold).
Callsign genealogy
Full chain →Previously held by current licensee
- MAHONEY, MICHAEL SKYgranted 2015-11-07cancelled 2016-04-19
License history
0 eventsNo recorded events.