Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD0BSD callsign genealogy
Currently held by Research Medical Center Radio Club
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 KD0BSD'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 KD0BSD.
- K0RMCexpiredResearch Medical Center Radio ClubMOgranted 2007-10-23cancelled 2019-10-24