Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W5TFO callsign genealogy
Currently held by STEWART, CARL T
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 W5TFO's current licensee, walking backwards.
- Flores, Brian TTXgranted 2019-09-27
Successor callsigns
Callsigns held now by people who previously held W5TFO.
- Flores, Brian TTXgranted 2019-09-27
All historical holders
Every license row we've seen with the callsign W5TFO, oldest first.
- STEWART, CARL T TX2006-08-11 → cancelled 2018-10-23
- Flores, Brian T TX2019-09-04 → cancelled 2019-09-27