Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7JDG callsign genealogy
Currently held by GALLOWAY, JOHN D
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 K7JDG's current licensee, walking backwards.
- Greenman, JasonCAgranted 2026-01-01cancelled 2026-01-21
Successor callsigns
Callsigns held now by people who previously held K7JDG.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K7JDG, oldest first.
- GALLOWAY, JOHN D ID2008-05-09 → cancelled 2020-05-12
- Greenman, Jason D CA2026-01-21 active