Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NB0I callsign genealogy
Currently held by Westphal, James 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 NB0I's current licensee, walking backwards.
- Westphal, James BMNgranted 1999-03-29cancelled 2008-03-11
Successor callsigns
Callsigns held now by people who previously held NB0I.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NB0I, oldest first.
- WILLIAMS, ARNETT R MO1988-12-06 → cancelled 2000-12-07
- Westphal, James B MN2018-03-13 active