Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC3Q callsign genealogy
Currently held by Vanek, Christopher J
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 AC3Q's current licensee, walking backwards.
- Vanek, Christopher JPAgranted 2022-06-08cancelled 2023-01-10
Successor callsigns
Callsigns held now by people who previously held AC3Q.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AC3Q, oldest first.
- DENNIN, HAROLD C IL2010-12-16 → cancelled 2022-12-21
- Vanek, Christopher J PA2023-01-10 active