Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KZ4QI callsign genealogy
Currently held by HOLMAN, JOHN
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 KZ4QI's current licensee, walking backwards.
- Holman, JohnGAgranted 2021-10-28cancelled 2025-02-19
Successor callsigns
Callsigns held now by people who previously held KZ4QI.
No current licensee on record previously held this callsign.