Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4DWD callsign genealogy
Currently held by DURHAM, DONALD 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 W4DWD's current licensee, walking backwards.
- DURHAM, DONALD WNCgranted 2016-08-09cancelled 2018-01-30
Successor callsigns
Callsigns held now by people who previously held W4DWD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4DWD, oldest first.
- NEISWONGER, JAMES W AL2004-08-31 → cancelled 2016-09-01
- DURHAM, DONALD W NC2018-01-30 active