Confidence: Medium · Source: FCC ULS · As of 2026-09-11
AA9DA callsign genealogy
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 AA9DA's current licensee, walking backwards.
- Aurenz, Daniel SILgranted 2007-02-15cancelled 2008-05-13
Successor callsigns
Callsigns held now by people who previously held AA9DA.
- JENNINGS, GREGORY JWIgranted 2017-11-13
All historical holders
Every license row we've seen with the callsign AA9DA, oldest first.
- Aurenz, Daniel S IL2018-02-21 active
- —— → cancelled 1998-01-14