Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N0XWX callsign genealogy
Currently held by MARTIN, MATTHEW 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 N0XWX's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held N0XWX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N0XWX, oldest first.
- MARTIN, MATTHEW M CO1993-07-27 → cancelled 2005-07-28
- HUBER, MICHAEL CO2026-06-26 active