Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WO5T callsign genealogy
Currently held by Buchanan, Thomas A
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 WO5T's current licensee, walking backwards.
- Mauldin, Samuel LTXgranted 2022-10-04cancelled 2023-02-10
Successor callsigns
Callsigns held now by people who previously held WO5T.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WO5T, oldest first.
- COURTNEY, WILLIAM F TX2006-01-30 → cancelled 2008-12-08
- Buchanan, Thomas A OK2011-01-21 → cancelled 2023-01-24
- Mauldin, Samuel L TX2023-02-10 → cancelled 2025-01-22