Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W2DUX callsign genealogy
Currently held by JUNG, HYUN SOO
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 W2DUX's current licensee, walking backwards.
- JUNG, HYUN SOONYgranted 2016-04-04cancelled 2016-04-22
Successor callsigns
Callsigns held now by people who previously held W2DUX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W2DUX, oldest first.
- KONEN SR, ALLEN N NJ1999-02-03 → cancelled 2011-02-04
- JUNG, HYUN SOO VA2026-02-03 active