Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB4DAD callsign genealogy
Currently held by STEM, LEON T
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 WB4DAD's current licensee, walking backwards.
- STEM, LEON TTXgranted 1997-07-29cancelled 2006-02-11
Successor callsigns
Callsigns held now by people who previously held WB4DAD.
No current licensee on record previously held this callsign.