Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KW5O callsign genealogy
Currently held by Smith, Stephane
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 KW5O's current licensee, walking backwards.
- Smith, StephaneTXgranted 2022-02-02cancelled 2026-04-03
Successor callsigns
Callsigns held now by people who previously held KW5O.
- Smith, StephaneTXgranted 2026-06-13
All historical holders
Every license row we've seen with the callsign KW5O, oldest first.
- DUDLEY, RUSSELL S TX2014-01-30 → cancelled 2026-03-17
- Smith, Stephane TX2026-04-03 → cancelled 2026-06-13