Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB9IRL callsign genealogy
Currently held by Illinois Radio League
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 WB9IRL's current licensee, walking backwards.
- KC9RFTcancelledIllinois Radio LeagueILgranted 2010-01-19cancelled 2010-02-09
Successor callsigns
Callsigns held now by people who previously held WB9IRL.
No current licensee on record previously held this callsign.