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

KZ4RDX callsign genealogy

Currently held by CALIENDO, STEPHEN P

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 KZ4RDX's current licensee, walking backwards.

  1. KC4SCcancelled· E
    CALIENDO, STEPHEN PNCgranted 2007-11-24cancelled 2016-11-15
  2. N1ICGcancelled· E
    CALIENDO, STEPHEN PNCgranted 2001-11-19cancelled 2007-11-24
  3. KA1QQJ
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held KZ4RDX.

No current licensee on record previously held this callsign.

← Back to KZ4RDX License history →