Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KX5Q callsign genealogy
Currently held by BIRDWELL, WILLIAM R
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 KX5Q's current licensee, walking backwards.
- Quinones, Jose ITXgranted 2025-03-19cancelled 2026-04-14
Successor callsigns
Callsigns held now by people who previously held KX5Q.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KX5Q, oldest first.
- BIRDWELL, WILLIAM R TX2013-10-21 → cancelled 2026-03-06
- Quinones, Jose I TX2026-04-14 active