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

KJ4EMR callsign genealogy

Currently held by Chulik, John D

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 KJ4EMR's current licensee, walking backwards.

  1. KC8OOJcancelled· G
    Chulik, John DFLgranted 2005-04-21cancelled 2008-06-03
  2. KA8QWScancelled· P
    CHULIK, JOHN DOHgranted 1995-03-13cancelled 2000-05-25

Successor callsigns

Callsigns held now by people who previously held KJ4EMR.

  1. AJ4OBcancelled· E
    Chulik, John DFLgranted 2005-04-21cancelled 2009-03-07
← Back to KJ4EMR License history →