Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4GBT callsign genealogy
Currently held by CONDURELIS JR, STEVE G
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 W4GBT's current licensee, walking backwards.
- Trudeau Jr, Gary BFLgranted 2019-12-12cancelled 2019-12-31
Successor callsigns
Callsigns held now by people who previously held W4GBT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4GBT, oldest first.
- CONDURELIS JR, STEVE G TN1994-07-16 → cancelled 2006-07-18
- Trudeau Jr, Gary B FL2006-10-24 → cancelled 2018-10-25
- Trudeau Jr, Gary B FL2019-12-31 active