Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AA9T callsign genealogy
Currently held by WALSH, WILLARD M
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 AA9T's current licensee, walking backwards.
- KC9KGIcancelledRhein Radio ConsortiumILgranted 2006-10-19cancelled 2006-11-21
Successor callsigns
Callsigns held now by people who previously held AA9T.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AA9T, oldest first.
- WALSH, WILLARD M AZ1996-08-14 → cancelled 2002-09-09
- Rhein Radio Consortium IL2017-02-04 active