Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K0KNO callsign genealogy
Currently held by Ostenson, Kevin N
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 K0KNO's current licensee, walking backwards.
- Ostenson, Kevin NWAgranted 2018-11-06cancelled 2024-01-20
Successor callsigns
Callsigns held now by people who previously held K0KNO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K0KNO, oldest first.
- MARTIN, DAVID G IA2008-04-09 → cancelled 2020-07-08
- Ostenson, Kevin N WA2024-01-20 active