Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4SWN callsign genealogy
Currently held by EVERHART, DOUGLAS C
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 K4SWN's current licensee, walking backwards.
- EVERHART, DOUGLAS CNCgranted 2018-08-14cancelled 2026-09-04
Successor callsigns
Callsigns held now by people who previously held K4SWN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4SWN, oldest first.
- EVERHART, RAEFORD D NC2014-07-15 → cancelled 2024-08-29
- EVERHART, DOUGLAS C NC2026-09-04 active