Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W5BWM callsign genealogy
Currently held by Miller Sr, Billy 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 W5BWM's current licensee, walking backwards.
- Hasbrook Jr, William GTXgranted 2023-07-18cancelled 2023-11-28
Successor callsigns
Callsigns held now by people who previously held W5BWM.
- SINNES, HAROLD EINgranted 2014-04-12cancelled 2026-04-14
All historical holders
Every license row we've seen with the callsign W5BWM, oldest first.
- Miller Sr, Billy W LA1998-06-02 → cancelled 2010-06-03
- SINNES, HAROLD E IN2013-07-13 → cancelled 2014-04-12
- Hasbrook Jr, William G TX2023-11-28 active