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

W5SPH callsign genealogy

Currently held by HARRISON, STEVEN 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 W5SPH's current licensee, walking backwards.

  1. KB5UIOcancelled· G
    HARRISON, STEVEN PMSgranted 2016-02-09cancelled 2022-03-08
  2. KD5ZAQcancelled· T
    HARRISON, STEVEN PMSgranted 2013-10-30cancelled 2016-02-09

Successor callsigns

Callsigns held now by people who previously held W5SPH.

  1. WG5Wactive· E
    HARRISON, STEVEN PMSgranted 2026-04-07
← Back to W5SPH License history →