Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4JDG callsign genealogy
Currently held by COWEL, RICHARD
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 K4JDG's current licensee, walking backwards.
- Gill, John DFLgranted 2012-06-12cancelled 2012-07-14
Successor callsigns
Callsigns held now by people who previously held K4JDG.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4JDG, oldest first.
- COWEL, RICHARD FL1997-07-16 → cancelled 2009-07-17
- Gill, John D GA2022-05-21 active