Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KZ4WK callsign genealogy
Currently held by Coger, Ethan C
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 KZ4WK's current licensee, walking backwards.
- Coger, Ethan CALgranted 2024-05-07cancelled 2025-09-09
Successor callsigns
Callsigns held now by people who previously held KZ4WK.
No current licensee on record previously held this callsign.