Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC4SS callsign genealogy
Currently held by Stahl, Stephen 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 KC4SS's current licensee, walking backwards.
- Stahl, Stephen DKYgranted 2022-03-16cancelled 2023-03-15
Successor callsigns
Callsigns held now by people who previously held KC4SS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC4SS, oldest first.
- CONKLIN, FREDERICK G FL1996-07-24 → cancelled 2008-07-25
- Stahl, Stephen D KY2023-03-15 active