Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7GLX callsign genealogy
Currently held by COON, JAMES 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 K7GLX's current licensee, walking backwards.
- ROYSTON, JOE AAZgranted 2015-08-06cancelled 2017-09-01
Successor callsigns
Callsigns held now by people who previously held K7GLX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K7GLX, oldest first.
- COON, JAMES S CA2005-06-22 → cancelled 2017-07-12
- ROYSTON, JOE A AZ2017-09-01 active