Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9SHS callsign genealogy
Currently held by Sevcik, Noah 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 K9SHS's current licensee, walking backwards.
- KD9WNKcancelledR Nelson Snider High School Amateur Radio ClubINgranted 2023-02-09cancelled 2023-02-28
Successor callsigns
Callsigns held now by people who previously held K9SHS.
- Sevcik, Noah JDCgranted 2017-11-03
All historical holders
Every license row we've seen with the callsign K9SHS, oldest first.
- Sevcik, Noah J IL2017-08-19 → cancelled 2017-11-03
- R Nelson Snider High School Amateur Radio Club IN2023-02-28 active