Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AA0C callsign genealogy
Currently held by ARMSTRONG, JAMES 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 AA0C's current licensee, walking backwards.
- Hughes, Thomas CMNgranted 2022-05-27cancelled 2023-10-28
Successor callsigns
Callsigns held now by people who previously held AA0C.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AA0C, oldest first.
- ARMSTRONG, JAMES G FL2011-07-13 → cancelled 2023-10-11
- Hughes, Thomas C MN2023-10-28 active