Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC9TCR callsign genealogy
Currently held by Three Alpha Illinois
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 KC9TCR'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 KC9TCR.
- N9KKactiveThree Alpha IllinoisILgranted 2020-08-26