Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC3EX callsign genealogy
Currently held by Carnathan, Robert 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 AC3EX's current licensee, walking backwards.
- Carnathan, Robert MPAgranted 2017-11-20cancelled 2019-08-19
Successor callsigns
Callsigns held now by people who previously held AC3EX.
No current licensee on record previously held this callsign.