Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N0SWN callsign genealogy
Currently held by GOESCH, MARK A
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 N0SWN's current licensee, walking backwards.
- SWAN, JEFFERY AMIgranted 2014-12-16cancelled 2022-03-15
Successor callsigns
Callsigns held now by people who previously held N0SWN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N0SWN, oldest first.
- GOESCH, MARK A SD1992-06-02 → cancelled 2004-06-03
- SWAN, JEFFERY A MI2022-03-15 active