Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KY4AZ callsign genealogy
Currently held by ALPHA ZULU AMATEUR RADIO CLUB
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 KY4AZ's current licensee, walking backwards.
- KF4SGFcancelledcancelled 1998-10-05
Successor callsigns
Callsigns held now by people who previously held KY4AZ.
No current licensee on record previously held this callsign.