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

KB4JMC callsign genealogy

Currently held by CHORAZAK, JOHN M

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 KB4JMC's current licensee, walking backwards.

  1. KB3LIGcancelled· G
    CHORAZAK, JOHN MSCgranted 2014-07-02cancelled 2016-11-19
  2. KB2RTScancelled· G
    CHORAZAK, JOHN MPAgranted 2004-07-01cancelled 2004-07-01

Successor callsigns

Callsigns held now by people who previously held KB4JMC.

No current licensee on record previously held this callsign.

← Back to KB4JMC License history →