Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W6CS callsign genealogy
Currently held by Souleles, Chris
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 W6CS's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held W6CS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W6CS, oldest first.
- SMITHWICK, ROBERT C CA2009-02-06 → cancelled 2013-05-17
- Souleles, Chris CA2025-03-14 active