Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W6TBF callsign genealogy
Currently held by Fliller, Theodore
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 W6TBF's current licensee, walking backwards.
- Fliller, TheodoreCAgranted 2013-08-02cancelled 2013-10-17
Successor callsigns
Callsigns held now by people who previously held W6TBF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W6TBF, oldest first.
- ANASOFF, WALTER R CA1997-01-27 → cancelled 2009-01-28
- Fliller, Theodore CA2023-08-08 active