Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KI4IOZ callsign genealogy
Currently held by Hagan, Dennis E
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by KI4IOZ's current licensee, walking backwards.
- Hagan, Dennis EKYgranted 2022-05-04cancelled 2026-02-13
Successor callsigns
Callsigns held now by people who previously held KI4IOZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KI4IOZ, oldest first.
- Hagan, Dennis E KY2005-02-08 → cancelled 2017-02-09
- Hagan, Dennis E KY2026-02-13 active