Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC4TC callsign genealogy
Currently held by WOOLDRIDGE, BILLY 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 AC4TC's current licensee, walking backwards.
- Cleveland, ThomasALgranted 2024-11-16cancelled 2025-03-29
Successor callsigns
Callsigns held now by people who previously held AC4TC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AC4TC, oldest first.
- WOOLDRIDGE, BILLY P AL2012-07-26 → cancelled 2024-07-23
- Cleveland, Thomas AL2025-03-29 active