Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N0KSD callsign genealogy
Currently held by Risenhoover, Lyndell E
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 N0KSD's current licensee, walking backwards.
- Brown, Joshua RTXgranted 2012-11-13cancelled 2017-03-04
Successor callsigns
Callsigns held now by people who previously held N0KSD.
- Risenhoover, Lyndell EMOgranted 2007-04-03cancelled 2019-04-04
All historical holders
Every license row we've seen with the callsign N0KSD, oldest first.
- GREGORY, RONALD W MO1989-05-30 → cancelled 2001-05-31
- Risenhoover, Lyndell E MO2003-09-03 → cancelled 2007-04-03
- Brown, Joshua R TX2017-03-04 active