Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB4DY callsign genealogy
Currently held by Young, David W
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 WB4DY's current licensee, walking backwards.
- Young, David WALgranted 2010-03-10cancelled 2014-11-04
Successor callsigns
Callsigns held now by people who previously held WB4DY.
No current licensee on record previously held this callsign.