Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WZ0X callsign genealogy
Currently held by Christianson, Gary
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 WZ0X's current licensee, walking backwards.
- Christianson, GaryMNgranted 2020-11-19cancelled 2023-02-04
Successor callsigns
Callsigns held now by people who previously held WZ0X.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WZ0X, oldest first.
- SHANNON, DANIEL E CO2011-01-14 → cancelled 2023-01-18
- Christianson, Gary AZ2023-02-04 active