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

KC4J callsign genealogy

Currently held by JONUS, TROY A

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 KC4J's current licensee, walking backwards.

  1. KN4DE
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held KC4J.

No current licensee on record previously held this callsign.

← Back to KC4J License history →