Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4XUD callsign genealogy
Currently held by Young, Todd A
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 N4XUD's current licensee, walking backwards.
- Young, Todd ASCgranted 2022-10-15cancelled 2022-11-04
Successor callsigns
Callsigns held now by people who previously held N4XUD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4XUD, oldest first.
- YOUNG, JACK F VA2010-01-08 → cancelled 2022-01-11
- Young, Todd A SC2022-11-04 active