Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KY4BCD callsign genealogy
Currently held by Dupin, Byron c
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 KY4BCD's current licensee, walking backwards.
- Dupin, Byron cKYgranted 2014-05-19cancelled 2014-06-07
Successor callsigns
Callsigns held now by people who previously held KY4BCD.
No current licensee on record previously held this callsign.