Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N1ZYX callsign genealogy
Currently held by NEFF, KIM
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 N1ZYX's current licensee, walking backwards.
- Hardie, BrianCAgranted 2025-09-04cancelled 2025-09-23
Successor callsigns
Callsigns held now by people who previously held N1ZYX.
- Hardie, BrianCAgranted 2026-02-13
All historical holders
Every license row we've seen with the callsign N1ZYX, oldest first.
- NEFF, KIM CT1997-12-19 → cancelled 1998-05-20
- Hardie, Brian CA2025-09-23 → cancelled 2026-02-13