Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4BUS callsign genealogy
Currently held by SMITH, O DEWEY
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 K4BUS's current licensee, walking backwards.
- BUSH, MICHAEL CSCgranted 2014-08-21cancelled 2015-10-23
Successor callsigns
Callsigns held now by people who previously held K4BUS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4BUS, oldest first.
- SMITH, O DEWEY NC1994-10-21 → cancelled 2006-10-24
- BUSH, MICHAEL C SC2025-12-02 active