Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4SBD callsign genealogy
Currently held by DUNBAR, SCOTT B
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 N4SBD's current licensee, walking backwards.
- Dunbar, Scott BGAgranted 2009-10-09cancelled 2009-10-31
Successor callsigns
Callsigns held now by people who previously held N4SBD.
No current licensee on record previously held this callsign.