Confidence: Medium · Source: FCC ULS · As of 2026-09-16
KD0ON callsign genealogy
Currently held by Nyberg, Ivan E
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 KD0ON's current licensee, walking backwards.
- WD0FZLno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KD0ON.
No current licensee on record previously held this callsign.