Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W3DFK callsign genealogy
Currently held by Kearney, David F
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 W3DFK's current licensee, walking backwards.
- Kearney, David FPAgranted 2016-09-21cancelled 2016-10-12
Successor callsigns
Callsigns held now by people who previously held W3DFK.
No current licensee on record previously held this callsign.