Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4CTN callsign genealogy
Currently held by Clark, Geoffrey
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 W4CTN's current licensee, walking backwards.
- Clark, GeoffreyTNgranted 2023-11-04cancelled 2024-12-10
Successor callsigns
Callsigns held now by people who previously held W4CTN.
All historical holders
Every license row we've seen with the callsign W4CTN, oldest first.
- Radio Gastonia NC2021-04-24 → cancelled 2022-06-18
- Clark, Geoffrey TN2024-12-10 → cancelled 2025-03-18