Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4DKO callsign genealogy
Currently held by O'Neill, Denise K
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 W4DKO's current licensee, walking backwards.
- O'Neill, Denise KSCgranted 2016-11-03cancelled 2017-01-27
Successor callsigns
Callsigns held now by people who previously held W4DKO.
No current licensee on record previously held this callsign.