Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N1IL callsign genealogy
Currently held by WINDY CITY SPANISH FM CLUB
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 N1IL's current licensee, walking backwards.
- Kanaiwa, MasaruCAgranted 2010-10-08cancelled 2010-11-30
Successor callsigns
Callsigns held now by people who previously held N1IL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N1IL, oldest first.
- WINDY CITY SPANISH FM CLUB IL1998-11-06 → cancelled 2010-11-09
- Kanaiwa, Masaru CA2020-09-03 active