Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KX4RAY callsign genealogy
Currently held by Engler, Ray R
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 KX4RAY's current licensee, walking backwards.
- Engler, Ray RNCgranted 2016-06-02cancelled 2016-06-21
Successor callsigns
Callsigns held now by people who previously held KX4RAY.
No current licensee on record previously held this callsign.