Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KZ1ATN callsign genealogy
Currently held by NGUYEN, ANHTIEN
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 KZ1ATN's current licensee, walking backwards.
- NGUYEN, ANHTIENAZgranted 2017-04-24cancelled 2017-05-31
Successor callsigns
Callsigns held now by people who previously held KZ1ATN.
No current licensee on record previously held this callsign.