Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N5TWS callsign genealogy
Currently held by SPURLOCK, TANNER 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 N5TWS's current licensee, walking backwards.
- SPURLOCK, TANNER WTXgranted 2022-12-16cancelled 2025-04-15
Successor callsigns
Callsigns held now by people who previously held N5TWS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N5TWS, oldest first.
- BAKER, JOHN R TN2011-04-26 → cancelled 2023-05-31
- SPURLOCK, TANNER W TX2025-04-15 active