Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4TBT callsign genealogy
Currently held by LACEY SR, HUBERT 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 W4TBT's current licensee, walking backwards.
- Tierney, Brian EKYgranted 2019-11-15cancelled 2019-12-06
Successor callsigns
Callsigns held now by people who previously held W4TBT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4TBT, oldest first.
- LACEY SR, HUBERT L AL1996-05-22 → cancelled 2008-05-23
- Tierney, Brian E KY2019-12-06 active