Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4SBT callsign genealogy
Currently held by Trudeau, Scott B
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 W4SBT's current licensee, walking backwards.
- Trudeau, Scott BFLgranted 2016-07-14cancelled 2017-10-17
Successor callsigns
Callsigns held now by people who previously held W4SBT.
No current licensee on record previously held this callsign.