Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KS0ZJN callsign genealogy
Currently held by Nyberg, James
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 KS0ZJN's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KS0ZJN.
No current licensee on record previously held this callsign.