Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF4PDX callsign genealogy
Currently held by WALTON COUNTY 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 KF4PDX's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KF4PDX.
- WF4XactiveWALTON COUNTY AMATEUR RADIO CLUBFLgranted 2026-09-02