Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA9SOY callsign genealogy
Currently held by Robert Seputis Jr Memorial Radio Club
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 KA9SOY's current licensee, walking backwards.
- KC9QLYcancelledSeputis Family ARCILgranted 2009-09-21cancelled 2009-10-14
Successor callsigns
Callsigns held now by people who previously held KA9SOY.
- WQ9WactiveRobert Seputis Jr Memorial Radio ClubILgranted 2022-07-01