Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KN4RJS callsign genealogy
Currently held by SMITH, RONALD 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 KN4RJS's current licensee, walking backwards.
- SMITH, RONALD JNCgranted 2018-04-17cancelled 2018-06-05
Successor callsigns
Callsigns held now by people who previously held KN4RJS.
No current licensee on record previously held this callsign.