Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N0KSU callsign genealogy
Currently held by ROSS, BRIAN R
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 N0KSU's current licensee, walking backwards.
- STEWART, MICHAEL LKSgranted 2010-09-08cancelled 2011-07-09
Successor callsigns
Callsigns held now by people who previously held N0KSU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N0KSU, oldest first.
- ROSS, BRIAN R CO1989-06-06 → cancelled 2001-06-07
- STEWART, MICHAEL L KS2021-07-29 active