Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC9RMS callsign genealogy
Currently held by Stuemke, Richard M
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 KC9RMS's current licensee, walking backwards.
- Stuemke, Richard MILgranted 2021-03-16cancelled 2024-03-12
Successor callsigns
Callsigns held now by people who previously held KC9RMS.
- Peters, Gerald WINgranted 2010-02-25cancelled 2011-01-14
All historical holders
Every license row we've seen with the callsign KC9RMS, oldest first.
- Peters, Gerald W IN2010-02-25 → cancelled 2010-03-24
- Stuemke, Richard M IL2024-03-12 active