Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W5WMB callsign genealogy
Currently held by BARRETT, WILLIAM 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 W5WMB's current licensee, walking backwards.
- BARRETT, WILLIAM WLAgranted 2009-06-25cancelled 2010-01-22
Successor callsigns
Callsigns held now by people who previously held W5WMB.
- BARRETT, WILLIAM WLAgranted 2016-08-23