Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5TFW callsign genealogy
Currently held by WREN, 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 K5TFW's current licensee, walking backwards.
- Christmann, Jean-GeorgesFLgranted 2018-05-15cancelled 2019-10-19
Successor callsigns
Callsigns held now by people who previously held K5TFW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K5TFW, oldest first.
- WREN, THOMAS F TX2000-08-11 → cancelled 2012-08-14
- Christmann, Jean-Georges FL2019-10-19 active