Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NC4BW callsign genealogy
Currently held by Winkler, Brian R
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 NC4BW's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held NC4BW.
No current licensee on record previously held this callsign.