Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KY4BO callsign genealogy
Currently held by WHISENANT, MIKE K
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 KY4BO's current licensee, walking backwards.
- WHISENANT, MICHAEL KSCgranted 2018-04-03cancelled 2020-10-13
Successor callsigns
Callsigns held now by people who previously held KY4BO.
No current licensee on record previously held this callsign.