Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K8QZ callsign genealogy
Currently held by THOMPSON JR, WILLIAM 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 K8QZ's current licensee, walking backwards.
- Klingman, Thomas ROHgranted 2004-06-14cancelled 2004-09-21
Successor callsigns
Callsigns held now by people who previously held K8QZ.
- THOMPSON JR, WILLIAM PNCgranted 2023-05-06
All historical holders
Every license row we've seen with the callsign K8QZ, oldest first.
- THOMPSON JR, WILLIAM P WV2000-05-30 → cancelled 2002-07-26
- Klingman, Thomas R OH2024-06-25 active