Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N6TTD callsign genealogy
Currently held by Thomas, James B
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 N6TTD's current licensee, walking backwards.
- SOUTER, BRIAN CCAgranted 2003-09-30cancelled 2009-10-06
Successor callsigns
Callsigns held now by people who previously held N6TTD.
- Thomas, James BCAgranted 2002-03-21cancelled 2003-01-24
All historical holders
Every license row we've seen with the callsign N6TTD, oldest first.
- Thomas, James B CA1998-09-24 → cancelled 2002-03-21
- Souter, Brian C CA2019-07-30 active