Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC3QB callsign genealogy
Currently held by Ruberto, Frank 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 AC3QB's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held AC3QB.
No current licensee on record previously held this callsign.