Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5TTO callsign genealogy
Currently held by Goetz, Donald R
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 K5TTO's current licensee, walking backwards.
- Bruington, Chester CTXgranted 2022-11-16cancelled 2023-02-07
Successor callsigns
Callsigns held now by people who previously held K5TTO.
- Goetz, Donald RTXgranted 2019-12-31
All historical holders
Every license row we've seen with the callsign K5TTO, oldest first.
- Goetz, Donald R AR2019-12-10 → cancelled 2019-12-31
- Bruington, Chester C TX2023-02-07 active