Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD9RJS callsign genealogy
Currently held by Schuda, Ryan 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 KD9RJS's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KD9RJS.
No current licensee on record previously held this callsign.