Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC5SJO callsign genealogy
Currently held by HORAN, STEPHEN J
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 KC5SJO'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 KC5SJO.
- HORAN, STEPHEN JNMgranted 2005-11-08cancelled 2009-08-21