Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0KF callsign genealogy
Currently held by DU BORD, WILLARD H
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 W0KF's current licensee, walking backwards.
- GOODNUFF, JEFFREY LMNgranted 1996-12-03cancelled 2000-09-06
Successor callsigns
Callsigns held now by people who previously held W0KF.
- DU BORD, WILLARD HAZgranted 2008-05-23cancelled 2020-08-18
All historical holders
Every license row we've seen with the callsign W0KF, oldest first.
- GOODNUFF, JEFFREY L MN2020-07-07 active
- DU BORD, WILLARD H— → cancelled 1998-08-17