Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WB9BTI callsign genealogy
Currently held by Tichenor Jr, Arthur H
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 WB9BTI's current licensee, walking backwards.
- BARKER, THOMAS MCAgranted 2010-02-22cancelled 2013-07-12
Successor callsigns
Callsigns held now by people who previously held WB9BTI.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WB9BTI, oldest first.
- Tichenor Jr, Arthur H CO2006-06-06 → cancelled 2011-07-22
- BARKER, THOMAS M TX2025-06-18 active