Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB8UDJ callsign genealogy
Currently held by MASON JR, WILLIAM C
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 KB8UDJ's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KB8UDJ.
- MASON JR, WILLIAM CWVgranted 1998-02-25cancelled 2002-02-27