Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0QZ callsign genealogy
Currently held by BAKER, MICHAEL J
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 K0QZ's current licensee, walking backwards.
- KOEHN, EVAN DKSgranted 2013-10-19cancelled 2014-05-30
- KB0KNYno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held K0QZ.
- BAKER, MICHAEL JAZgranted 2019-09-07
All historical holders
Every license row we've seen with the callsign K0QZ, oldest first.
- BAKER, MICHAEL J AZ1990-03-06 → cancelled 1999-11-20
- De Vere, David G MN2002-05-10 → cancelled 2014-05-13
- KOEHN, EVAN D KS2025-01-14 active