Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC4DSV callsign genealogy
Currently held by VAUGHAN, BILLY S
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 KC4DSV's current licensee, walking backwards.
- VAUGHAN, BILLY STNgranted 2023-08-26cancelled 2024-03-29
Successor callsigns
Callsigns held now by people who previously held KC4DSV.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC4DSV, oldest first.
- HERNANDEZ, TOMAS B FL1988-03-01 → cancelled 2000-03-02
- VAUGHAN, BILLY S TN2024-03-29 active