Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K5TBS callsign genealogy
Currently held by DUNCAN, CAROL N
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 K5TBS's current licensee, walking backwards.
- Stevens, Tim BTXgranted 2003-05-07cancelled 2010-04-03
Successor callsigns
Callsigns held now by people who previously held K5TBS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K5TBS, oldest first.
- DUNCAN, CAROL N TX2004-10-26 → cancelled 2007-03-06
- Stevens, Tim B TX2020-02-08 active