Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC4DE callsign genealogy
Currently held by PETROSKI, EDWARD
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 AC4DE's current licensee, walking backwards.
- SAFFORD, MICHAEL JTNgranted 2014-02-14cancelled 2022-01-08
Successor callsigns
Callsigns held now by people who previously held AC4DE.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AC4DE, oldest first.
- PETROSKI, EDWARD FL1991-02-19 → cancelled 2003-02-20
- SAFFORD, MICHAEL J TN2022-01-08 active