Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K0GJX callsign genealogy
Currently held by MUNCE, CHARLES J
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 K0GJX's current licensee, walking backwards.
- Berquist, GjerryMNgranted 2003-09-11cancelled 2007-09-11
Successor callsigns
Callsigns held now by people who previously held K0GJX.
- MUNCE, CHARLES JMNgranted 2010-05-25cancelled 2022-07-06
All historical holders
Every license row we've seen with the callsign K0GJX, oldest first.
- MUNCE, CHARLES J MN1993-06-01 → cancelled 2000-07-04
- Berquist, Gjerry MN2017-07-18 active