Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W3DUN callsign genealogy
Currently held by Duncan, Adam
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 W3DUN's current licensee, walking backwards.
- Duncan, AdamNJgranted 2022-04-04cancelled 2022-05-24
Successor callsigns
Callsigns held now by people who previously held W3DUN.
No current licensee on record previously held this callsign.