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

N4KXP callsign genealogy

Currently held by KARJANIS, JOHN C

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 N4KXP's current licensee, walking backwards.

  1. KM5XUcancelled· A
    KARJANIS, JOHN CFLgranted 2003-02-12cancelled 2012-09-14

Successor callsigns

Callsigns held now by people who previously held N4KXP.

  1. KM5XUcancelled· A
    KARJANIS, JOHN CFLgranted 2003-02-12cancelled 2012-09-14

All historical holders

Every license row we've seen with the callsign N4KXP, oldest first.

  • KARJANIS, JOHN C TX
    1993-02-16 → cancelled 2002-09-26
  • KARJANIS, JOHN C IN
    2022-08-06 active
← Back to N4KXP License history →