Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC7ZM callsign genealogy
Currently held by Tavares, John F
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 AC7ZM's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held AC7ZM.
No current licensee on record previously held this callsign.