Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4BDK callsign genealogy
Currently held by KELSO, 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 K4BDK's current licensee, walking backwards.
- KELSO, BRUCE DALgranted 2011-05-18cancelled 2013-07-13
Successor callsigns
Callsigns held now by people who previously held K4BDK.
No current licensee on record previously held this callsign.