Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N0UND callsign genealogy
Currently held by BARTH, MICHAEL P
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 N0UND's current licensee, walking backwards.
- FORTENER, JUSTIN JINgranted 2009-07-20cancelled 2013-09-21
Successor callsigns
Callsigns held now by people who previously held N0UND.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N0UND, oldest first.
- BARTH, MICHAEL P MN1992-11-03 → cancelled 2004-11-04
- FORTENER, JUSTIN J IN2025-09-18 active