Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K5TRT callsign genealogy
Currently held by Mersky, David
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 K5TRT's current licensee, walking backwards.
- Mersky, DavidARgranted 2022-02-14cancelled 2022-03-08
Successor callsigns
Callsigns held now by people who previously held K5TRT.
- THORNTON, TOMMY RTXgranted 2003-07-29cancelled 2007-03-02
All historical holders
Every license row we've seen with the callsign K5TRT, oldest first.
- THORNTON, TOMMY R TX1999-03-25 → cancelled 2003-07-29
- Mersky, David AR2022-03-08 active