Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W8IKO callsign genealogy
Currently held by DUNN, JOHN F
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 W8IKO's current licensee, walking backwards.
- Obenshain, IanOHgranted 2020-03-13cancelled 2020-05-19
Successor callsigns
Callsigns held now by people who previously held W8IKO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W8IKO, oldest first.
- DUNN, JOHN F MI1997-09-26 → cancelled 2009-09-29
- Obenshain, Ian OH2020-05-19 active