Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD4ED callsign genealogy
Currently held by DUFFEY SR, CHARLES W
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 AD4ED's current licensee, walking backwards.
- DUFFEY SR, CHARLES WGAgranted 2014-10-29cancelled 2014-12-13
Successor callsigns
Callsigns held now by people who previously held AD4ED.
- DUFFEY SR, CHARLES WGAgranted 2024-12-03