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Confidence: Medium · Source: FCC ULS · As of 2026-09-12

KX4JU callsign genealogy

Currently held by BROWN, STEPHEN 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 KX4JU's current licensee, walking backwards.

  1. KM4SRPcancelled· E
    Brown, Stephen LFLgranted 2016-03-24cancelled 2018-03-21

Successor callsigns

Callsigns held now by people who previously held KX4JU.

No current licensee on record previously held this callsign.