Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9RCS callsign genealogy
Currently held by Stose, Ronald C
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 K9RCS's current licensee, walking backwards.
- Schmitz Jr, Rich CILgranted 2019-04-29cancelled 2019-05-18
Successor callsigns
Callsigns held now by people who previously held K9RCS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K9RCS, oldest first.
- Stose, Ronald C WA2002-11-22 → cancelled 2014-11-25
- Schmitz, Rich C IL2019-05-18 active