Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4DXA callsign genealogy
Currently held by WOOLDRIDGE, STEPHEN L
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 N4DXA's current licensee, walking backwards.
- Wooldridge, StephenFLgranted 2025-03-08cancelled 2026-06-30
Successor callsigns
Callsigns held now by people who previously held N4DXA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4DXA, oldest first.
- WOOLDRIDGE, STEPHEN L FL1990-05-08 → cancelled 2002-05-09
- Spencer Jr, Robert W NC2013-05-02 → cancelled 2025-06-28
- Wooldridge, Stephen FL2026-06-30 active