Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4DCX callsign genealogy
Currently held by SUTHERLAND, JAMES 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 N4DCX's current licensee, walking backwards.
- Cox, Robert DKYgranted 2022-07-07cancelled 2023-07-28
Successor callsigns
Callsigns held now by people who previously held N4DCX.
- SUTHERLAND, JAMES AALgranted 2000-06-20cancelled 2012-06-21
All historical holders
Every license row we've seen with the callsign N4DCX, oldest first.
- SUTHERLAND, JAMES A AL1995-03-03 → cancelled 2000-06-20
- Cox, Robert D KY2023-07-28 active