Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N9SPX callsign genealogy
Currently held by Spinks, Matthew C
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 N9SPX's current licensee, walking backwards.
- Spinks, Matthew CWIgranted 2023-05-31cancelled 2023-06-22
Successor callsigns
Callsigns held now by people who previously held N9SPX.
- DRESSER, PATRICK JILgranted 2023-02-23
All historical holders
Every license row we've seen with the callsign N9SPX, oldest first.
- DRESSER, PATRICK J IL2003-03-11 → cancelled 2003-03-29
- Spinks, Matthew C WI2023-06-22 active