Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KZ4UQ callsign genealogy
Currently held by PATTERSON, WILLIAM C
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 KZ4UQ'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 KZ4UQ.
- PATTERSON, WILLIAM CNCgranted 2025-07-26