Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N9EXP 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 N9EXP's current licensee, walking backwards.
- FORDEN, BRIANILgranted 2016-04-14cancelled 2017-01-28
Successor callsigns
Callsigns held now by people who previously held N9EXP.
- TOSCHLOG, JERRY AINgranted 2019-01-30
All historical holders
Every license row we've seen with the callsign N9EXP, oldest first.
- Forden, Brian J IL2017-01-28 active
- —— → cancelled 1998-11-18