Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB9UM callsign genealogy
Currently held by BUZARD, BRIAN L
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 AB9UM's current licensee, walking backwards.
- BUZARD, BRIAN LILgranted 2004-03-22cancelled 2009-08-20
Successor callsigns
Callsigns held now by people who previously held AB9UM.
No current licensee on record previously held this callsign.