Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9BBN callsign genealogy
Currently held by Erstad, Michael R
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 K9BBN's current licensee, walking backwards.
- Erstad, Michael RWIgranted 2014-02-24cancelled 2015-01-09
Successor callsigns
Callsigns held now by people who previously held K9BBN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K9BBN, oldest first.
- JUNIEVICZ III, ALEX R IL1997-02-14 → cancelled 2009-02-18
- Erstad, Michael R WI2024-12-24 active