Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4KYZ callsign genealogy
Currently held by CONLEE, ROBERT Z
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 K4KYZ's current licensee, walking backwards.
- CONLEE, ROBERT ZKYgranted 2020-05-12cancelled 2022-02-18
Successor callsigns
Callsigns held now by people who previously held K4KYZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4KYZ, oldest first.
- RICHARDSON, EDWARD J KY2017-10-05 → cancelled 2020-02-25
- CONLEE, ROBERT Z KY2022-02-18 active