Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N6DU callsign genealogy
Currently held by TROY, PAUL
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 N6DU's current licensee, walking backwards.
- TROY, PAULCAgranted 2007-11-09cancelled 2010-08-20
Successor callsigns
Callsigns held now by people who previously held N6DU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N6DU, oldest first.
- TORDOFF, JOHN S CA1998-10-05 → cancelled 2006-09-05
- TROY, PAUL CA2020-07-22 active