Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4NSF 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 W4NSF's current licensee, walking backwards.
- FULGHUM JR, STEPHEN FNCgranted 2019-01-31cancelled 2019-02-20
Successor callsigns
Callsigns held now by people who previously held W4NSF.
- NELSON, JACK WALgranted 2005-09-20cancelled 2017-09-21
All historical holders
Every license row we've seen with the callsign W4NSF, oldest first.
- NELSON, JACK W AL1995-12-06 → cancelled 2005-09-20
- FULGHUM JR, STEPHEN F NC2019-02-20 active