Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N6XDX callsign genealogy
Currently held by SHELTON, 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 N6XDX's current licensee, walking backwards.
- SHELTON, TODD ACAgranted 2014-05-28cancelled 2015-10-06
Successor callsigns
Callsigns held now by people who previously held N6XDX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N6XDX, oldest first.
- SQUIRE, RICHARD K CA1989-12-12 → cancelled 2002-03-07
- SHELTON, TODD A CA2025-08-05 active