Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4MXF callsign genealogy
Currently held by OXFORD, WILLIAM J
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 N4MXF's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held N4MXF.
- OXFORD, WILLIAM JVAgranted 1998-08-04cancelled 1999-11-23