Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NC4SW callsign genealogy
Currently held by WHITE, PHILIP 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 NC4SW's current licensee, walking backwards.
- Worth III, Stephen GNCgranted 2021-03-01cancelled 2022-11-01
Successor callsigns
Callsigns held now by people who previously held NC4SW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NC4SW, oldest first.
- WHITE, PHILIP A NC2010-06-23 → cancelled 2022-06-28
- Worth III, Stephen G NC2022-11-01 active