Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4BBN callsign genealogy
Currently held by Noll, Bertram B
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 K4BBN's current licensee, walking backwards.
- Vincent, DuaneKYgranted 2016-09-12cancelled 2016-10-01
Successor callsigns
Callsigns held now by people who previously held K4BBN.
- Noll, Bertram BTNgranted 2023-11-28
All historical holders
Every license row we've seen with the callsign K4BBN, oldest first.
- Noll, Bertram B TN2000-09-19 → cancelled 2004-02-20
- VINCENT, DUANE KY2026-08-12 active