Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N9SGW callsign genealogy
Currently held by HUYNH, SON V
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 N9SGW's current licensee, walking backwards.
- Mills, Richard DINgranted 2021-03-29cancelled 2021-09-11
Successor callsigns
Callsigns held now by people who previously held N9SGW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N9SGW, oldest first.
- HUYNH, SON V IL1993-02-16 → cancelled 2005-02-17
- Mills, Richard D IN2021-09-11 active