Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC0AU callsign genealogy
Currently held by O Hare, Garvin G
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 AC0AU's current licensee, walking backwards.
- O Hare, Garvin GCOgranted 2003-12-22cancelled 2004-05-11
Successor callsigns
Callsigns held now by people who previously held AC0AU.
No current licensee on record previously held this callsign.