Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K0DUF callsign genealogy
Currently held by RUNYON, BILL L
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 K0DUF's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held K0DUF.
No current licensee on record previously held this callsign.