Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KM4JQX callsign genealogy
Currently held by Olexa, Steven 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 KM4JQX's current licensee, walking backwards.
- Olexa, Steven JFLgranted 2015-03-17cancelled 2015-04-10
Successor callsigns
Callsigns held now by people who previously held KM4JQX.
No current licensee on record previously held this callsign.