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

W5ONT callsign genealogy

Currently held by Porter, Christopher

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 W5ONT's current licensee, walking backwards.

  1. W7ONTcancelled· E
    Porter, ChristopherGAgranted 2002-03-20cancelled 2007-02-08
  2. WB4ONTcancelled· A
    PORTER, CHRISTOPHERGAgranted 1995-04-04cancelled 2002-03-20

Successor callsigns

Callsigns held now by people who previously held W5ONT.

  1. W4ONTactive· E
    Porter, ChristopherGAgranted 2021-02-23
← Back to W5ONT License history →