Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N0SDV callsign genealogy
Currently held by Vaughan, Steven 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 N0SDV's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held N0SDV.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N0SDV, oldest first.
- WHITLOCK, GARY W MO2012-07-30 → cancelled 2024-11-30
- Vaughan, Steven D IN2025-01-04 active