Confidence: Medium · Source: FCC ULS · As of 2026-09-15
KC9FKO callsign genealogy
Currently held by Blackhawk Experimental Amateur Radio Society (BEARS)
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 KC9FKO'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 KC9FKO.
- W9EISexpiredBlackhawk Experimental Amateur Radio Society (BEARS)ILgranted 2013-12-11cancelled 2026-03-07