Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4WDS callsign genealogy
Currently held by Swink, WIlliam D
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 W4WDS's current licensee, walking backwards.
- Swink, William DNCgranted 2018-04-14cancelled 2022-11-26
Successor callsigns
Callsigns held now by people who previously held W4WDS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4WDS, oldest first.
- HAND II, THOMAS C GA2007-09-13 → cancelled 2019-12-13
- Swink, WIlliam D NC2022-11-26 active