Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB4WIN callsign genealogy
Currently held by BROWN, IRIS 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 KB4WIN's current licensee, walking backwards.
- Winters, Jeffery ATNgranted 2022-04-11cancelled 2022-04-30
Successor callsigns
Callsigns held now by people who previously held KB4WIN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB4WIN, oldest first.
- BROWN, IRIS K NC1994-02-08 → cancelled 2006-02-09
- Winters Mr., Jeffery A TN2022-04-30 active