Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0QS callsign genealogy
Currently held by REITER, RONALD D
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 K0QS's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held K0QS.
- REITER, RONALD DMNgranted 2022-03-08
All historical holders
Every license row we've seen with the callsign K0QS, oldest first.
- REITER, RONALD D MN1997-02-12 → cancelled 2002-04-03
- Ferris, Harry J MO2024-03-05 active