Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N5HAI callsign genealogy
Currently held by TRIEU, HAI T
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 N5HAI's current licensee, walking backwards.
- TRIEU, HAI TOKgranted 2022-03-04
Successor callsigns
Callsigns held now by people who previously held N5HAI.
All historical holders
Every license row we've seen with the callsign N5HAI, oldest first.
- TRIEU, HAI T OK2000-04-01 → cancelled 2006-02-28
- TRIEU, HAI T OK2020-06-30 → cancelled 2022-03-04