Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4TDB callsign genealogy
Currently held by De Brigard, Tomas E
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 W4TDB's current licensee, walking backwards.
- De Brigard, Tomas EFLgranted 2015-04-22cancelled 2015-05-12
Successor callsigns
Callsigns held now by people who previously held W4TDB.
- MILLER JR, VOLLIE TTNgranted 2026-03-20
All historical holders
Every license row we've seen with the callsign W4TDB, oldest first.
- MILLER JR, VOLLIE T TN1997-11-25 → cancelled 2006-06-06
- De Brigard, Tomas E FL2025-04-22 active