Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9YU callsign genealogy
Currently held by PETKOVIC, SVETISLAV
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 K9YU's current licensee, walking backwards.
- Painter, Robert LAZgranted 2008-08-25cancelled 2009-07-11
Successor callsigns
Callsigns held now by people who previously held K9YU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K9YU, oldest first.
- PETKOVIC, SVETISLAV IL1999-01-28 → cancelled 2006-12-18
- Painter, Robert L AZ2019-04-17 active