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

KX5SP callsign genealogy

Currently held by POSNER, STEVEN H

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 KX5SP's current licensee, walking backwards.

  1. NF5FFcancelled· A
    POSNER, STEVEN HTXgranted 2006-10-06cancelled 2016-03-18
  2. KP4FFcancelled· A
    POSNER, STEVEN HTXgranted 2000-10-25cancelled 2006-10-06

Successor callsigns

Callsigns held now by people who previously held KX5SP.

No current licensee on record previously held this callsign.

← Back to KX5SP License history →