Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4WKS callsign genealogy
Currently held by Stroud, Willis K
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 W4WKS's current licensee, walking backwards.
- Stroud, Willis KNCgranted 2013-03-14cancelled 2017-06-20
Successor callsigns
Callsigns held now by people who previously held W4WKS.
- SIMS, WILLIAM KNCgranted 2018-07-10cancelled 2023-03-22
All historical holders
Every license row we've seen with the callsign W4WKS, oldest first.
- Stroud, Willis K NC2017-06-20 active
- SIMS, WILLIAM K— → cancelled 1998-08-12