Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KX4BLS callsign genealogy
Currently held by SMITH, BENJAMIN L
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 KX4BLS's current licensee, walking backwards.
- SMITH, BENJAMIN LSCgranted 2023-04-19cancelled 2023-05-09
Successor callsigns
Callsigns held now by people who previously held KX4BLS.
- SMITH, BENJAMIN LSCgranted 2023-05-09cancelled 2023-06-02