Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5RJS callsign genealogy
Currently held by SPARKS, RICHARD 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 K5RJS's current licensee, walking backwards.
- STALL, RONMOgranted 2024-03-23cancelled 2024-04-13
Successor callsigns
Callsigns held now by people who previously held K5RJS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K5RJS, oldest first.
- SPARKS, RICHARD J TX2007-04-21 → cancelled 2019-04-23
- STALL, RON MO2024-04-13 active