Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KS4M callsign genealogy
Currently held by FLORIDA PALM 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 KS4M's current licensee, walking backwards.
- KG4CFMcancelledSCHURTZ JR, FRANCIS Acancelled 1999-04-21
Successor callsigns
Callsigns held now by people who previously held KS4M.
- SCHURTZ JR, FRANCIS AFLgranted 2017-02-15