Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KZ4ARN callsign genealogy
Currently held by Nieves, Aaron M
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 KZ4ARN's current licensee, walking backwards.
- Nieves, Aaron MALgranted 2021-01-28cancelled 2021-03-16
Successor callsigns
Callsigns held now by people who previously held KZ4ARN.
No current licensee on record previously held this callsign.