Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KY4BZ callsign genealogy
Currently held by Ring III, John G
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 KY4BZ's current licensee, walking backwards.
- Ring III, John GGAgranted 2020-08-24cancelled 2020-11-02
Successor callsigns
Callsigns held now by people who previously held KY4BZ.
- Ring III, John GGAgranted 2020-12-15