Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD7IX callsign genealogy
Currently held by Koch, Leon M
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 AD7IX's current licensee, walking backwards.
- Koch, Leon MWAgranted 2002-09-03cancelled 2006-06-13
Successor callsigns
Callsigns held now by people who previously held AD7IX.
No current licensee on record previously held this callsign.