Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KZ4ER callsign genealogy
Currently held by AIKEN III, WALTER J
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 KZ4ER's current licensee, walking backwards.
- AIKEN III, WALTER JNCgranted 2023-06-02cancelled 2024-03-01
Successor callsigns
Callsigns held now by people who previously held KZ4ER.
No current licensee on record previously held this callsign.