Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W5TDS callsign genealogy
Currently held by Smart, Tom D
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 W5TDS's current licensee, walking backwards.
- Smart, Tom DOKgranted 2021-04-02cancelled 2023-01-04
Successor callsigns
Callsigns held now by people who previously held W5TDS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W5TDS, oldest first.
- THORNTON, ROBERT L MS2007-01-26 → cancelled 2019-02-12
- Smart, Tom D OK2023-01-04 active