Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4EEN callsign genealogy
Currently held by DUTY, JOHN 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 K4EEN's current licensee, walking backwards.
- BROWN, RAYMOND JKYgranted 2015-02-19cancelled 2016-04-08
Successor callsigns
Callsigns held now by people who previously held K4EEN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4EEN, oldest first.
- DUTY, JOHN E KY2003-04-17 → cancelled 2015-05-19
- BROWN, RAYMOND J KY2026-04-17 active