Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4BDB callsign genealogy
Currently held by Barr, Bruce D
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 K4BDB's current licensee, walking backwards.
- Barr, Bruce DFLgranted 2022-01-10cancelled 2022-11-19
Successor callsigns
Callsigns held now by people who previously held K4BDB.
No current licensee on record previously held this callsign.