Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W5WKZ callsign genealogy
Currently held by Olsen, Chad
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 W5WKZ's current licensee, walking backwards.
- Olsen, ChadOKgranted 2018-11-19cancelled 2019-02-23
Successor callsigns
Callsigns held now by people who previously held W5WKZ.
No current licensee on record previously held this callsign.