Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA0ZOU callsign genealogy
Currently held by ADAMS, DON 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 KA0ZOU's current licensee, walking backwards.
- Adams, Don LORgranted 2018-06-19cancelled 2018-11-24
Successor callsigns
Callsigns held now by people who previously held KA0ZOU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA0ZOU, oldest first.
- ADAMS, DON L OR2001-02-21 → cancelled 2013-02-13
- Adams, Don L OR2018-11-24 active