Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AA9AC callsign genealogy
Currently held by BOYD, JOHN R
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 AA9AC's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held AA9AC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AA9AC, oldest first.
- BOYD, JOHN R IN2011-01-03 → cancelled 2023-04-04
- CARBONE, ADAM TX2024-08-20 active