Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WB7BMW callsign genealogy
Currently held by YOUNG SR, MICHAEL 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 WB7BMW's current licensee, walking backwards.
- BROWN, DEREK LMTgranted 1997-06-06cancelled 2004-07-27
Successor callsigns
Callsigns held now by people who previously held WB7BMW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WB7BMW, oldest first.
- YOUNG SR, MICHAEL W WA1989-06-20 → cancelled 2001-06-21
- BROWN, DEREK L WA2024-06-25 active