Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB4LZW callsign genealogy
Currently held by Dux, Frank J
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 WB4LZW's current licensee, walking backwards.
- Dux, Frank JSCgranted 2008-01-08cancelled 2015-10-27
Successor callsigns
Callsigns held now by people who previously held WB4LZW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WB4LZW, oldest first.
- GOINS, ROBERT E FL1997-04-02 → cancelled 2009-04-03
- Dux, Frank J SC2025-08-06 active