Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC0AS callsign genealogy
Currently held by Ferris, Harry 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 AC0AS's current licensee, walking backwards.
- Burkhart, Levi FCOgranted 2016-01-28cancelled 2017-02-14
Successor callsigns
Callsigns held now by people who previously held AC0AS.
- Ferris, Harry JMOgranted 2024-03-05
All historical holders
Every license row we've seen with the callsign AC0AS, oldest first.
- Ferris, Harry J MO2003-05-13 → cancelled 2004-05-26
- Burkhart, Levi F CO2017-02-14 active