Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC9YLL callsign genealogy
Currently held by Indiana Experimental Radio Bunch
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 KC9YLL's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KC9YLL.
- WB9STAactiveINDIANA EXPERIMENTAL RADIO BUNCHINgranted 2025-02-05