Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KF4WFI callsign genealogy
Currently held by JAWORSKI, SIMON
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 KF4WFI'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 KF4WFI.
- W1VOAactiveBRIGHT LEAF AMATEUR RADIO CLUBNCgranted 2018-03-19