Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA8RTG callsign genealogy
Currently held by Zielasko, Richard
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 KA8RTG's current licensee, walking backwards.
- Zielasko, RichardOHgranted 2023-01-21cancelled 2023-02-10
Successor callsigns
Callsigns held now by people who previously held KA8RTG.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA8RTG, oldest first.
- ZIELASKO, RICHARD G OH2004-11-11 → cancelled 2016-11-12
- Zielasko, Richard OH2023-02-10 active