Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB9BB callsign genealogy
Currently held by BEISER, BRIAN M
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 KB9BB's current licensee, walking backwards.
- BEISER, BRIAN MWIgranted 2016-02-09cancelled 2018-08-04
Successor callsigns
Callsigns held now by people who previously held KB9BB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB9BB, oldest first.
- BURCH, ROGER B NY1992-02-18 → cancelled 2004-02-19
- BEISER, BRIAN M WI2018-08-04 active