Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KX9WZ callsign genealogy
Currently held by Guthrie, Brian A
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 KX9WZ's current licensee, walking backwards.
- Guthrie, Brian AILgranted 2023-08-02cancelled 2024-03-09
Successor callsigns
Callsigns held now by people who previously held KX9WZ.
No current licensee on record previously held this callsign.