Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9TTS callsign genealogy
Currently held by SOUTHWORTH, THEODORE T
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 W9TTS's current licensee, walking backwards.
- SOUTHWORTH, THEODORE Tcancelled 1998-03-18
Successor callsigns
Callsigns held now by people who previously held W9TTS.
No current licensee on record previously held this callsign.