Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5TSG callsign genealogy
Currently held by FRAZIER, MICHAEL B
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 K5TSG's current licensee, walking backwards.
- Gentry, Steven MTXgranted 2020-12-18cancelled 2021-02-17
Successor callsigns
Callsigns held now by people who previously held K5TSG.
- FRAZIER, MICHAEL BOHgranted 2014-03-18cancelled 2017-12-30
All historical holders
Every license row we've seen with the callsign K5TSG, oldest first.
- FRAZIER, MICHAEL B OH2014-03-18 → cancelled 2017-12-06
- Gentry, Steven TX2021-02-17 active