Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC6AT callsign genealogy
Currently held by O CONNELL, THEODORE A
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 AC6AT's current licensee, walking backwards.
- Buchan, Russell DCAgranted 2012-11-30cancelled 2013-02-20
Successor callsigns
Callsigns held now by people who previously held AC6AT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AC6AT, oldest first.
- O CONNELL, THEODORE A CA1994-03-22 → cancelled 2006-03-23
- Buchan, Russell D CA2023-02-22 active