Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4TJ callsign genealogy
Currently held by Jamestown Amateur Radio Club
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 W4TJ's current licensee, walking backwards.
- KO4VQEcancelledJamestown Amateur Radio ClubVAgranted 2021-12-23cancelled 2025-08-12
Successor callsigns
Callsigns held now by people who previously held W4TJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4TJ, oldest first.
- LAKATOSH, WILLIAM J VA2016-11-28 → cancelled 2024-04-04
- Jamestown Amateur Radio Club VA2025-08-12 active