Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD0BJJ callsign genealogy
Currently held by OLIVER K BLACKBURN COMMEMORATIVE STATION
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 KD0BJJ'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 KD0BJJ.
- W0MBMactiveOLIVER K BLACKBURN COMMEMORATIVE STATIONMOgranted 2019-09-03