Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0DFW callsign genealogy
Currently held by TELLIS, SIDNEY
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 W0DFW's current licensee, walking backwards.
- CARLTON, THOMAS STXgranted 2024-01-30cancelled 2025-02-11
Successor callsigns
Callsigns held now by people who previously held W0DFW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W0DFW, oldest first.
- TELLIS, SIDNEY CO1997-05-06 → cancelled 2009-05-07
- CARLTON, THOMAS S TX2025-02-11 active