Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4BJD callsign genealogy
Currently held by Downard, William J
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 K4BJD's current licensee, walking backwards.
- Downard, William JCOgranted 2023-04-21
Successor callsigns
Callsigns held now by people who previously held K4BJD.
- Downard, William JCOgranted 2023-04-21