Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KJ4GK callsign genealogy
Currently held by Mize, Thomas W
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 KJ4GK's current licensee, walking backwards.
- Mize, Thomas WGAgranted 2010-11-12cancelled 2019-05-21
Successor callsigns
Callsigns held now by people who previously held KJ4GK.
- FERRARA, JON ATNgranted 1991-01-08cancelled 2003-01-09