Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KY4MD callsign genealogy
Currently held by Barhorst, Brian R
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 KY4MD's current licensee, walking backwards.
- Barhorst, Brian RKYgranted 2003-03-01cancelled 2007-09-22
Successor callsigns
Callsigns held now by people who previously held KY4MD.
No current licensee on record previously held this callsign.