Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4DBT callsign genealogy
Currently held by ELIAS, LEWIS W
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 W4DBT's current licensee, walking backwards.
- Tumser, David BFLgranted 2007-12-13cancelled 2008-01-04
Successor callsigns
Callsigns held now by people who previously held W4DBT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4DBT, oldest first.
- ELIAS, LEWIS W NC1994-07-14 → cancelled 2006-07-15
- Tumser, David B FL2018-05-09 active