Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4VCS callsign genealogy
Currently held by Clifford, Seth
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 K4VCS's current licensee, walking backwards.
- Clifford, SethSCgranted 2024-09-24cancelled 2026-01-03
Successor callsigns
Callsigns held now by people who previously held K4VCS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4VCS, oldest first.
- KNIGHT, JOHN M KY1999-05-06 → cancelled 2011-05-07
- Clifford, Seth SC2026-01-03 active