Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KO6D callsign genealogy
Currently held by GOODWIN, PAUL S
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 KO6D's current licensee, walking backwards.
- Chen, Chih-KuangCAgranted 2019-07-03cancelled 2019-09-28
Successor callsigns
Callsigns held now by people who previously held KO6D.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KO6D, oldest first.
- GOODWIN, PAUL S CA2015-02-11 → cancelled 2017-09-07
- Chen, Chih-Kuang CA2019-09-28 active