Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD9MAG callsign genealogy
Currently held by Warchola, Martin
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 KD9MAG's current licensee, walking backwards.
- Warchola, MartinOHgranted 2010-09-10cancelled 2010-10-19
Successor callsigns
Callsigns held now by people who previously held KD9MAG.
No current licensee on record previously held this callsign.