Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WB5TNS callsign genealogy
Currently held by GUFFEY, WILLIAM W
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 WB5TNS's current licensee, walking backwards.
- GUFFEY, WILLIAM WTXgranted 2022-11-26cancelled 2022-12-16
Successor callsigns
Callsigns held now by people who previously held WB5TNS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WB5TNS, oldest first.
- GUFFEY, WILLIAM W TX2010-06-24 → cancelled 2022-05-24
- GUFFEY, WILLIAM W TX2022-12-16 active