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

K3IVB callsign genealogy

Currently held by Krelic, Curt

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 K3IVB's current licensee, walking backwards.

  1. W3QEactive· E
    Ward, T KeithPAgranted 2018-10-23
  2. AB3ZAcancelled· E
    Ward, T KeithPAgranted 2016-04-13cancelled 2018-10-23

Successor callsigns

Callsigns held now by people who previously held K3IVB.

  1. W3QEcancelled· E
    Krelic, CurtPAgranted 2012-06-19cancelled 2012-11-06
  2. NE3Ucancelled· E
    Krelic, CurtPAgranted 2006-12-22cancelled 2007-05-01
  3. N3IVcancelled· E
    Krelic, CurtPAgranted 2003-08-23cancelled 2003-10-24

All historical holders

Every license row we've seen with the callsign K3IVB, oldest first.

  • Krelic, Curt PA
    1998-01-14 → cancelled 2003-08-23
  • Krelic, Curt PA
    2006-07-28 → cancelled 2006-12-22
  • Krelic, Curt PA
    2012-03-23 → cancelled 2012-06-19
← Back to K3IVB License history →