Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KY4OJ callsign genealogy
Currently held by PERKINS, MICHAEL H
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 KY4OJ's current licensee, walking backwards.
- PERKINS, MICHAEL HKYgranted 2022-04-06cancelled 2022-04-07
Successor callsigns
Callsigns held now by people who previously held KY4OJ.
No current licensee on record previously held this callsign.