Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4DUN callsign genealogy
Currently held by DUNNIGAN, CORNELIUS
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 K4DUN's current licensee, walking backwards.
- DUNNIGAN, CORNELIUSVAgranted 2004-01-02cancelled 2009-03-20
Successor callsigns
Callsigns held now by people who previously held K4DUN.
No current licensee on record previously held this callsign.