Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KO4WIF callsign genealogy
Currently held by Ferguson, Trey B
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 KO4WIF'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 KO4WIF.
- Ferguson, Trey BTNgranted 2023-03-13