Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K3SFO callsign genealogy
Currently held by Carroux, Christopher L
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 K3SFO's current licensee, walking backwards.
- Carroux, Christopher LCAgranted 2013-10-28cancelled 2016-03-22
Successor callsigns
Callsigns held now by people who previously held K3SFO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K3SFO, oldest first.
- OLANIN, STANLEY F FL2000-10-17 → cancelled 2012-10-18
- Carroux, Christopher L CA2026-03-24 active