Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WZ4SC callsign genealogy
Currently held by Clevenger, Stefan 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 WZ4SC's current licensee, walking backwards.
- Clevenger, Stefan CNCgranted 2026-02-27cancelled 2026-05-09
Successor callsigns
Callsigns held now by people who previously held WZ4SC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WZ4SC, oldest first.
- SUGAR CREEK AMATEUR RADIO SOCIETY SC1996-11-04 → cancelled 2008-11-05
- Clevenger, Stefan C NC2026-05-09 active