Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4BRS callsign genealogy
Currently held by Oatsvall, Robert M
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 N4BRS's current licensee, walking backwards.
- KJ4KCno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held N4BRS.
- Oatsvall, Robert MSCgranted 2026-09-01