Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KG9QS callsign genealogy
Currently held by Opalka, Brian R
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 KG9QS's current licensee, walking backwards.
- OPALKA, BRIAN RILgranted 1994-08-20cancelled 2000-04-25
Successor callsigns
Callsigns held now by people who previously held KG9QS.
- OPALKA, BRIAN RILgranted 2020-02-18