Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KZ4AZ callsign genealogy
Currently held by KUNZLER, JAKOB 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 KZ4AZ's current licensee, walking backwards.
- KUNZLER, JAKOB WSCgranted 2019-10-17cancelled 2023-09-26
Successor callsigns
Callsigns held now by people who previously held KZ4AZ.
No current licensee on record previously held this callsign.