Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W5TDT callsign genealogy
Currently held by Marion, John S
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 W5TDT's current licensee, walking backwards.
- Marion, John SGAgranted 2021-04-05cancelled 2021-04-23
Successor callsigns
Callsigns held now by people who previously held W5TDT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W5TDT, oldest first.
- MARION, STUART E TX2006-12-07 → cancelled 2019-02-21
- Marion, John S GA2021-04-23 active