Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB9BUD callsign genealogy
Currently held by BAUER, MICHAEL A
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 KB9BUD's current licensee, walking backwards.
- King Jr, Larry RINgranted 2010-08-12cancelled 2018-04-17
Successor callsigns
Callsigns held now by people who previously held KB9BUD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB9BUD, oldest first.
- BAUER, MICHAEL A WI2001-04-30 → cancelled 2013-07-10
- KING JR, LARRY R IN2018-04-17 active