Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD0ZA callsign genealogy
Currently held by DUNHAM, MATTHEW K
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 AD0ZA's current licensee, walking backwards.
- DUNHAM, MATTHEW KMNgranted 2016-04-15cancelled 2017-08-17
Successor callsigns
Callsigns held now by people who previously held AD0ZA.
No current licensee on record previously held this callsign.