Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KJ4ASQ callsign genealogy
Currently held by Royston, Russell A
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 KJ4ASQ's current licensee, walking backwards.
- Royston, Russell AGAgranted 2019-04-26cancelled 2024-08-02
Successor callsigns
Callsigns held now by people who previously held KJ4ASQ.
- Royston, Russell AGAgranted 2019-04-26cancelled 2024-08-02
All historical holders
Every license row we've seen with the callsign KJ4ASQ, oldest first.
- Royston, Russell A GA2007-11-27 → cancelled 2007-12-18
- Royston, Russell A GA2024-08-02 active