Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KI4VIN callsign genealogy
Currently held by Brummett, Timothy 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 KI4VIN's current licensee, walking backwards.
- Costa, Vincent SGAgranted 2020-08-13cancelled 2020-09-01
Successor callsigns
Callsigns held now by people who previously held KI4VIN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KI4VIN, oldest first.
- Brummett, Timothy R KY2007-04-25 → cancelled 2019-04-26
- Costa, Vincent S GA2020-09-01 active