Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KE4TDS callsign genealogy
Currently held by SMITH, TIMOTHY 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 KE4TDS's current licensee, walking backwards.
- SMITH, TIMOTHY DNCgranted 2013-04-05cancelled 2018-08-28
Successor callsigns
Callsigns held now by people who previously held KE4TDS.
- LEASON, ROBERT FKSgranted 2020-02-12cancelled 2020-05-15
All historical holders
Every license row we've seen with the callsign KE4TDS, oldest first.
- LEASON, ROBERT F FL2004-11-17 → cancelled 2010-04-23
- SMITH, TIMOTHY D NC2018-08-28 active