Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB0KU callsign genealogy
Currently held by Nielsen, Ronald
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 KB0KU's current licensee, walking backwards.
- Nielsen, RonaldUTgranted 2026-01-14cancelled 2026-04-28
Successor callsigns
Callsigns held now by people who previously held KB0KU.
No current licensee on record previously held this callsign.