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

KJ4ED callsign genealogy

Currently held by BIGELOW, LEONARD

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 KJ4ED's current licensee, walking backwards.

  1. N0ACDactive· T
    DUFRENNE, ADAM CMNgranted 2022-03-12
  2. KF0HZQcancelled· T
    DUFRENNE, ADAM CMNgranted 2022-02-18cancelled 2022-03-12

Successor callsigns

Callsigns held now by people who previously held KJ4ED.

  1. N0ACDexpired· A
    BIGELOW, LEONARDFLgranted 2001-06-08cancelled 2013-06-11
← Back to KJ4ED License history →