Confidence: Medium · Source: FCC ULS · As of 2026-10-29
KJ5RIO callsign genealogy
Currently held by The Society Of Hams Interested In Trunked Systems
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 KJ5RIO'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 KJ5RIO.
- N5CAIactiveThe Society Of Hams Interested In Trunked SystemsTXgranted 2026-09-18