Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC4WI callsign genealogy
Currently held by LINN, LOUIS 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 AC4WI's current licensee, walking backwards.
- KD4KFZno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held AC4WI.
- LINN, LOUIS KNCgranted 2022-04-21