Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4RJO callsign genealogy
Currently held by Owens Jr, Roy L
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 K4RJO's current licensee, walking backwards.
- Owens Jr, Roy LALgranted 2017-10-10cancelled 2019-12-06
Successor callsigns
Callsigns held now by people who previously held K4RJO.
No current licensee on record previously held this callsign.