Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AA9XJ callsign genealogy
Currently held by Simcox, Robert W
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 AA9XJ's current licensee, walking backwards.
- Simcox, Robert WINgranted 1999-08-27cancelled 1999-09-25
Successor callsigns
Callsigns held now by people who previously held AA9XJ.
- Simcox, Robert WTXgranted 2019-03-26