Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N6TDS callsign genealogy
Currently held by FREDERICK, KENNETH
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 N6TDS's current licensee, walking backwards.
- Smith, Timothy DCAgranted 2017-02-24cancelled 2017-03-17
Successor callsigns
Callsigns held now by people who previously held N6TDS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N6TDS, oldest first.
- FREDERICK, KENNETH CA1998-01-20 → cancelled 2010-01-21
- Smith, Timothy D WA2017-03-17 active