Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9BMD callsign genealogy
Currently held by Dybas, Bart
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 K9BMD's current licensee, walking backwards.
- Dybas, BartILgranted 2026-02-11cancelled 2026-03-27
Successor callsigns
Callsigns held now by people who previously held K9BMD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K9BMD, oldest first.
- BIEL, DAVID K WI2011-05-03 → cancelled 2023-08-01
- Dybas, Bart IL2026-03-27 active