Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC9OJ callsign genealogy
Currently held by Tupper, Steven L
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 AC9OJ's current licensee, walking backwards.
- Tupper, Steven LWIgranted 2007-11-16cancelled 2016-05-02
Successor callsigns
Callsigns held now by people who previously held AC9OJ.
No current licensee on record previously held this callsign.