Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WC3S callsign genealogy
Currently held by Campos, Catalina
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 WC3S's current licensee, walking backwards.
- Campos, CatalinaCAgranted 2022-08-11cancelled 2022-10-08
Successor callsigns
Callsigns held now by people who previously held WC3S.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WC3S, oldest first.
- VASSALLO, FRANK P PA2010-06-08 → cancelled 2022-07-26
- Campos, Catalina CA2022-10-08 active