Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KY4QX callsign genealogy
Currently held by Rupert, Michael B
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 KY4QX's current licensee, walking backwards.
- Rupert, Michael BNCgranted 2022-08-25cancelled 2022-08-29
Successor callsigns
Callsigns held now by people who previously held KY4QX.
No current licensee on record previously held this callsign.