Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9RDB callsign genealogy
Currently held by De Bruyne SR, Ronald A
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 K9RDB's current licensee, walking backwards.
- De Bruyne Sr, Ronald AWIgranted 2007-04-25cancelled 2008-03-21
Successor callsigns
Callsigns held now by people who previously held K9RDB.
No current licensee on record previously held this callsign.