Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4DOR callsign genealogy
Currently held by DORTON, JUSTIN M
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 K4DOR's current licensee, walking backwards.
- DORTON, JUSTIN MNCgranted 2013-05-24cancelled 2014-03-01
Successor callsigns
Callsigns held now by people who previously held K4DOR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4DOR, oldest first.
- STEINER, MANUEL VA1995-03-24 → cancelled 2007-03-27
- DORTON, JUSTIN M NC2024-05-02 active