Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC0NSA callsign genealogy
Currently held by Winger, Bradley 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 KC0NSA's current licensee, walking backwards.
- Winger, Bradley CMNgranted 2021-04-29cancelled 2026-05-01
Successor callsigns
Callsigns held now by people who previously held KC0NSA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC0NSA, oldest first.
- Gruhn, Treg R SD2012-05-18 → cancelled 2024-07-12
- Winger, Bradley C MN2026-05-01 active