Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NO4FX callsign genealogy
Currently held by Speakman, Joseph 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 NO4FX's current licensee, walking backwards.
- Speakman, Joseph CNCgranted 1995-09-07cancelled 2003-03-11
Successor callsigns
Callsigns held now by people who previously held NO4FX.
No current licensee on record previously held this callsign.