Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KZ4BY callsign genealogy
Currently held by Cluck Jr, James W
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 KZ4BY's current licensee, walking backwards.
- Cluck Jr, James WFLgranted 2020-10-29cancelled 2023-11-13
Successor callsigns
Callsigns held now by people who previously held KZ4BY.
No current licensee on record previously held this callsign.