Confidence: Medium · Source: FCC ULS · As of 2026-09-15
K7YYZ callsign genealogy
Currently held by LAYTON, EUGENE 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 K7YYZ's current licensee, walking backwards.
- Richards, Bliss ACAgranted 2013-10-28cancelled 2013-11-22
Successor callsigns
Callsigns held now by people who previously held K7YYZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K7YYZ, oldest first.
- LAYTON, EUGENE M WA2000-10-24 → cancelled 2012-10-25
- Richards, Bliss A CA2013-11-22 → cancelled 2026-03-07