Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NB9F callsign genealogy
Currently held by Bonnell, Chris
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 NB9F's current licensee, walking backwards.
- Findley, Francis LINgranted 2022-01-26cancelled 2022-05-03
Successor callsigns
Callsigns held now by people who previously held NB9F.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NB9F, oldest first.
- Bonnell, Chris CO2010-04-13 → cancelled 2022-04-14
- Findley, Francis L IN2022-05-03 active