Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KG9OKC callsign genealogy
Currently held by Greenwood, Cheyenne J
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 KG9OKC's current licensee, walking backwards.
- Greenwood, Cheyenne JOKgranted 2018-02-09cancelled 2018-03-24
Successor callsigns
Callsigns held now by people who previously held KG9OKC.
- Greenwood, Jordan FOKgranted 2020-09-26