Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AA9RF callsign genealogy
Currently held by SMILANICH, SID
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 AA9RF's current licensee, walking backwards.
- KOZIOL, CARL GILgranted 2009-12-01cancelled 2015-10-06
Successor callsigns
Callsigns held now by people who previously held AA9RF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AA9RF, oldest first.
- SMILANICH, SID IL1996-02-09 → cancelled 2006-10-19
- KOZIOL, CARL G IL2025-09-03 active