Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KR4OKI callsign genealogy
Currently held by Kosco, Courtney
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 KR4OKI's current licensee, walking backwards.
- Kosco, CourtneyVAgranted 2026-06-11cancelled 2026-08-14
Successor callsigns
Callsigns held now by people who previously held KR4OKI.
No current licensee on record previously held this callsign.