Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC1OKA callsign genealogy
Currently held by Cioka, Justin 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 KC1OKA's current licensee, walking backwards.
- Cioka, Justin JMDgranted 2014-11-10cancelled 2020-11-24
Successor callsigns
Callsigns held now by people who previously held KC1OKA.
No current licensee on record previously held this callsign.