Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W6JZA callsign genealogy
Currently held by LOPEZ, MARIO M
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 W6JZA's current licensee, walking backwards.
- LOPEZ, MARIO MCAgranted 2006-07-27cancelled 2010-03-26
Successor callsigns
Callsigns held now by people who previously held W6JZA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W6JZA, oldest first.
- WHEELER, ELSA R CA1997-04-18 → cancelled 2009-04-21
- LOPEZ, MARIO M CA2020-02-18 active