Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7UZB callsign genealogy
Currently held by VERTNER, ARTHUR L
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 K7UZB's current licensee, walking backwards.
- WILHELM, JOHNAZgranted 2018-07-10cancelled 2018-07-31
Successor callsigns
Callsigns held now by people who previously held K7UZB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K7UZB, oldest first.
- VERTNER, ARTHUR L OR1988-08-23 → cancelled 2000-08-24
- WILHELM, JOHN AZ2018-07-31 active