Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W3DUB callsign genealogy
Currently held by Oswald Jr, Edward D
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 W3DUB's current licensee, walking backwards.
- Oswald Jr, Edward DPAgranted 2003-03-14cancelled 2008-01-15
Successor callsigns
Callsigns held now by people who previously held W3DUB.
No current licensee on record previously held this callsign.