Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W6DOZ callsign genealogy
Currently held by DOZA, MATTHEW A
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 W6DOZ's current licensee, walking backwards.
- DOZA, MATTHEW ACAgranted 2021-01-11cancelled 2021-02-02
Successor callsigns
Callsigns held now by people who previously held W6DOZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W6DOZ, oldest first.
- Mizuhara, Albert CA2008-01-08 → cancelled 2020-02-11
- DOZA, MATTHEW A CA2021-02-02 active