Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF4WZI callsign genealogy
Currently held by YANOVSKY, SERGE G
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 KF4WZI'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 KF4WZI.
- YANOVSKY, SERGE GFLgranted 2012-12-04cancelled 2024-12-05