Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WI9WIN callsign genealogy
Currently held by Wisconsin Interstate Network
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 WI9WIN's current licensee, walking backwards.
- KC9TCCcancelledWisconsin Interstate NetworkWIgranted 2010-09-14cancelled 2010-10-30
Successor callsigns
Callsigns held now by people who previously held WI9WIN.
No current licensee on record previously held this callsign.