Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KW4QO callsign genealogy
Currently held by Horosz Jr, William F
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 KW4QO's current licensee, walking backwards.
- Horosz Jr, William FFLgranted 2015-12-23cancelled 2016-02-12
Successor callsigns
Callsigns held now by people who previously held KW4QO.
No current licensee on record previously held this callsign.