Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N3KDX callsign genealogy
Currently held by Surface Jr, Thomas G
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 N3KDX's current licensee, walking backwards.
- Surface Jr, Thomas GVAgranted 2012-04-24cancelled 2012-06-12
Successor callsigns
Callsigns held now by people who previously held N3KDX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N3KDX, oldest first.
- BROWN, ROBERT A PA1997-04-18 → cancelled 2006-05-25
- Surface Jr, Thomas G VA2022-05-24 active