Confidence: Medium · Source: FCC ULS · As of 2026-10-26
AA9DD callsign genealogy
Currently held by ODay, Tom
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 AA9DD's current licensee, walking backwards.
- ODay, TomILgranted 2024-11-27cancelled 2026-09-18
Successor callsigns
Callsigns held now by people who previously held AA9DD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AA9DD, oldest first.
- DOLAN SR, THOMAS J IL2013-05-01 → cancelled 2025-06-10
- ODay, Tom IL2026-09-18 active