Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC7CJ callsign genealogy
Currently held by Billings, Ronald J
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 AC7CJ's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held AC7CJ.
No current licensee on record previously held this callsign.