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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

KX3XX callsign genealogy

Currently held by KONDOU, KATSUHIRO

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 KX3XX's current licensee, walking backwards.

  1. AG6HLcancelled· E
    Jaco, Jerry MCAgranted 2018-05-25cancelled 2019-12-03
  2. AJ6BQcancelled· E
    Jaco, Jerry MCAgranted 2018-01-05cancelled 2018-05-25
  3. KM6PKVcancelled· E
    Jaco, Jerry MCAgranted 2018-01-05cancelled 2018-03-05

Successor callsigns

Callsigns held now by people who previously held KX3XX.

No current licensee on record previously held this callsign.

← Back to KX3XX License history →