Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KN4RXF callsign genealogy
Currently held by FULGHUM JR, STEPHEN F
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 KN4RXF'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 KN4RXF.
- FULGHUM JR, STEPHEN FNCgranted 2019-02-20