Confidence: Medium · Source: FCC ULS · As of 2026-10-24
KC5OLO callsign genealogy
Currently held by KEY CITY AMATEUR RADIO 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 KC5OLO'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 KC5OLO.
- KC5ARCactiveKEY CITY AMATEUR RADIO CLUBTXgranted 2026-09-22