Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD7BU callsign genealogy
Currently held by WILLIAMS, JAMES G
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 AD7BU's current licensee, walking backwards.
- WILLIAMS, JAMES GUTgranted 2004-02-18cancelled 2004-02-23
Successor callsigns
Callsigns held now by people who previously held AD7BU.
- WILLIAMS, JAMES GUTgranted 2023-03-23