Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4JWS callsign genealogy
Currently held by STEM, JAN 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 K4JWS's current licensee, walking backwards.
- KE4HDScancelledcancelled 1998-03-03
Successor callsigns
Callsigns held now by people who previously held K4JWS.
No current licensee on record previously held this callsign.