Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4BMD callsign genealogy
Currently held by SMITH, WILLIAM D
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 W4BMD's current licensee, walking backwards.
- Duerkes Jr, Robert JTXgranted 2015-06-22cancelled 2023-03-17
Successor callsigns
Callsigns held now by people who previously held W4BMD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4BMD, oldest first.
- SMITH, WILLIAM D NC2007-02-16 → cancelled 2019-03-06
- DUERKES JR, ROBERT J TX2023-03-17 active