Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N0SOI callsign genealogy
Currently held by KINNEY, CHRISTOPHER C
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 N0SOI's current licensee, walking backwards.
- Olson, Shawn AIAgranted 2021-08-03cancelled 2021-08-17
Successor callsigns
Callsigns held now by people who previously held N0SOI.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N0SOI, oldest first.
- KINNEY, CHRISTOPHER C MN1992-05-19 → cancelled 2004-05-20
- Olson, Shawn A IA2021-08-17 active