Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC0O callsign genealogy
Currently held by SCANNAPIECO JR, RONALD H
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 AC0O's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held AC0O.
- OAKS, DANIEL GWAgranted 2017-01-27
All historical holders
Every license row we've seen with the callsign AC0O, oldest first.
- Oaks, Daniel G WA2004-02-20 → cancelled 2007-03-10
- SCANNAPIECO JR, RONALD H NM2020-03-13 active