Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB4DD callsign genealogy
Currently held by YUKNEVICE, WILLIAM V
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 KB4DD's current licensee, walking backwards.
- KK4YOFcancelledTreasure Coast Digital GroupFLgranted 2014-02-25cancelled 2014-03-25
Successor callsigns
Callsigns held now by people who previously held KB4DD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB4DD, oldest first.
- YUKNEVICE, WILLIAM V GA1999-11-23 → cancelled 2012-02-07
- Treasure Coast Digital Group FL2024-04-16 active