Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KJ4AQX callsign genealogy
Currently held by Gwynn, Tyler H
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 KJ4AQX's current licensee, walking backwards.
- Gwynn, Tyler HSCgranted 2024-05-21cancelled 2024-06-08
Successor callsigns
Callsigns held now by people who previously held KJ4AQX.
- Gwynn, Tyler HSCgranted 2025-03-14
All historical holders
Every license row we've seen with the callsign KJ4AQX, oldest first.
- Gwynn, Tyler H FL2007-11-21 → cancelled 2019-11-22
- Gwynn, Tyler H SC2024-06-08 → cancelled 2025-03-14