Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WS4FSM callsign genealogy
Currently held by West Palm Beach Amateur Radio Club
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 WS4FSM's current licensee, walking backwards.
- KJ4GLFcancelledWest Palm Beach Amateur Radio ClubFLgranted 2008-09-03cancelled 2010-11-16
Successor callsigns
Callsigns held now by people who previously held WS4FSM.
- WS4FSCexpiredWest Palm Beach Amateur Radio ClubFLgranted 2013-11-19cancelled 2026-03-06