Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KO6KZY callsign genealogy
Currently held by Zhao, Shirley
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 KO6KZY's current licensee, walking backwards.
- Zhao, ShirleyCAgranted 2025-08-20cancelled 2025-09-26
Successor callsigns
Callsigns held now by people who previously held KO6KZY.
No current licensee on record previously held this callsign.