Confidence: Medium · Source: FCC ULS · As of 2026-09-09
K0ADZ callsign genealogy
Currently held by Fowler, John W
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 K0ADZ's current licensee, walking backwards.
- Fowler, John WMNgranted 2020-01-21cancelled 2023-04-22
Successor callsigns
Callsigns held now by people who previously held K0ADZ.
All historical holders
Every license row we've seen with the callsign K0ADZ, oldest first.
- HAMEL, RICK L KS2016-01-15 → cancelled 2017-01-04
- Fowler, John W MN2023-04-22 → cancelled 2025-04-01