Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0TFS callsign genealogy
Currently held by Steele III, Thomas F
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 W0TFS's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held W0TFS.
- Steele III, Thomas FMNgranted 2023-05-13
All historical holders
Every license row we've seen with the callsign W0TFS, oldest first.
- Steele III, Thomas F MN1998-03-04 → cancelled 2002-03-21
- Steele IV, Thomas F MN2016-05-06 active