Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KY4IM callsign genealogy
Currently held by Boisvert, David M
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 KY4IM's current licensee, walking backwards.
- Boisvert, David MSCgranted 2021-03-15cancelled 2021-06-23
Successor callsigns
Callsigns held now by people who previously held KY4IM.
No current licensee on record previously held this callsign.