Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC0CT callsign genealogy
Currently held by Trout, Curtiss M
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 AC0CT's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held AC0CT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AC0CT, oldest first.
- Liles, Dennis R CO2007-04-18 → cancelled 2019-05-11
- Trout, Curtiss M MN2021-12-24 active