Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC9AT callsign genealogy
Currently held by ZAVODNY, MATTHEW S
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 AC9AT's current licensee, walking backwards.
- ZAVODNY, MATTHEW SINgranted 2009-11-25cancelled 2011-11-30
Successor callsigns
Callsigns held now by people who previously held AC9AT.
No current licensee on record previously held this callsign.