Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KR4BDF callsign genealogy
Currently held by Brain, David
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 KR4BDF's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KR4BDF.
- Brain, DavidFLgranted 2025-02-05