Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB4NTU callsign genealogy
Currently held by Dunn, Randall J
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 KB4NTU's current licensee, walking backwards.
- Dunn, Randall JTNgranted 2021-10-29cancelled 2021-12-03
Successor callsigns
Callsigns held now by people who previously held KB4NTU.
No current licensee on record previously held this callsign.