Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W3UDT callsign genealogy
Currently held by Sweda, Adam 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 W3UDT's current licensee, walking backwards.
- Sweda, Adam DCAgranted 2021-03-01cancelled 2021-03-20
Successor callsigns
Callsigns held now by people who previously held W3UDT.
No current licensee on record previously held this callsign.