Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KX4EZ callsign genealogy
Currently held by BONILLA, ESTEBAN L
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 KX4EZ's current licensee, walking backwards.
- BONILLA, ESTEBAN LFLgranted 2011-08-05cancelled 2017-08-09
Successor callsigns
Callsigns held now by people who previously held KX4EZ.
- BONILLA, ESTEBAN LFLgranted 2020-10-31