Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WQ5J callsign genealogy
Currently held by STACK, THOMAS P
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 WQ5J's current licensee, walking backwards.
- STACK, THOMAS PTXgranted 2023-09-19cancelled 2023-10-17
Successor callsigns
Callsigns held now by people who previously held WQ5J.
- STACK, THOMAS PTXgranted 2023-09-19cancelled 2023-10-17
All historical holders
Every license row we've seen with the callsign WQ5J, oldest first.
- STACK, THOMAS P TX2016-05-25 → cancelled 2023-09-19
- STACK, THOMAS P TX2023-10-17 active