Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4DQW callsign genealogy
Currently held by FENTRESS, CONSTANTINE
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 K4DQW's current licensee, walking backwards.
- Dunning, William DNCgranted 2025-08-21cancelled 2026-08-11
Successor callsigns
Callsigns held now by people who previously held K4DQW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4DQW, oldest first.
- FENTRESS, CONSTANTINE FL1994-07-14 → cancelled 2006-07-15
- Dunning, William D NC2026-08-11 active