Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K3RJS 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 K3RJS's current licensee, walking backwards.
- Stevens, Robert JPAgranted 2022-10-20cancelled 2024-08-06
Successor callsigns
Callsigns held now by people who previously held K3RJS.
All historical holders
Every license row we've seen with the callsign K3RJS, oldest first.
- Schuda, Ryan J IL2020-02-04 → cancelled 2020-06-20
- Stevens, Robert J PA2024-08-06 → cancelled 2026-08-28