Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W7GZN callsign genealogy
Currently held by YAMAMOTO, CATHI 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 W7GZN's current licensee, walking backwards.
- YAMAMOTO, KENJI DORgranted 2023-12-13cancelled 2024-01-05
Successor callsigns
Callsigns held now by people who previously held W7GZN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7GZN, oldest first.
- ADAMS, EZRA J WA1996-07-24 → cancelled 2000-07-28
- YAMAMOTO, CATHI A WA2011-05-28 → cancelled 2023-07-12
- YAMAMOTO, KENJI D OR2024-01-05 active