Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0DNF callsign genealogy
Currently held by McCorison, Derek
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 W0DNF's current licensee, walking backwards.
- McCorison, DerekMNgranted 2013-12-06cancelled 2013-12-24
Successor callsigns
Callsigns held now by people who previously held W0DNF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W0DNF, oldest first.
- STROTHER, WILLIAM C KS1997-02-10 → cancelled 2007-03-31
- McCorison, Derek MN2023-10-11 active