Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NW4Z callsign genealogy
Currently held by SCOFIELD, JEFFREY A
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 NW4Z's current licensee, walking backwards.
- SCOFIELD, JEFFREY ANCgranted 1994-09-19cancelled 2000-07-04
Successor callsigns
Callsigns held now by people who previously held NW4Z.
- ESTEP, JAMES SFLgranted 1997-04-08cancelled 1997-09-18