Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC3IL callsign genealogy
Currently held by Matirko, Michael J
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 AC3IL's current licensee, walking backwards.
- Matirko, Michael JPAgranted 2021-02-22cancelled 2022-01-11
Successor callsigns
Callsigns held now by people who previously held AC3IL.
- Matirko, Michael JPAgranted 2022-01-29