Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N5TWA callsign genealogy
Currently held by DUNN, TROY W
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 N5TWA's current licensee, walking backwards.
- ARMSTRONG SR, TIMOTHY WTXgranted 2006-10-10cancelled 2016-03-15
Successor callsigns
Callsigns held now by people who previously held N5TWA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N5TWA, oldest first.
- DUNN, TROY W TX1991-05-28 → cancelled 2003-05-29
- ARMSTRONG SR, TIMOTHY W TX2026-04-03 active