Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N0BSC callsign genealogy
Currently held by Bismarck State College Amateur Radio Association
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 N0BSC's current licensee, walking backwards.
- KE0KPUcancelledBismarck State College Amateur Radio AssociationNDgranted 2016-10-11cancelled 2016-11-01
Successor callsigns
Callsigns held now by people who previously held N0BSC.
- HARMSWORTH Mr., MATTHEW LMIgranted 2022-02-12
All historical holders
Every license row we've seen with the callsign N0BSC, oldest first.
- HARMSWORTH Mr., MATTHEW L MI2006-10-13 → cancelled 2012-01-28
- Bismarck State College Amateur Radio Association ND2016-11-01 active