Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KO4ALX callsign genealogy
Currently held by Trudeau Jr, Gary 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 KO4ALX's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KO4ALX.
- Trudeau Jr, Gary BFLgranted 2019-12-31