Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AI8J callsign genealogy
Currently held by Inmann, Andreas
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 AI8J's current licensee, walking backwards.
- Inmann, AndreasOHgranted 2011-11-17cancelled 2012-01-27
Successor callsigns
Callsigns held now by people who previously held AI8J.
- MASON, ROBERT ANCgranted 2021-04-08
All historical holders
Every license row we've seen with the callsign AI8J, oldest first.
- MASON, ROBERT A NC1998-11-20 → cancelled 2001-06-22
- Inmann, Andreas OH2022-01-05 active