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

AF7MX callsign genealogy

Currently held by SMITH, WILLIAM C

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 AF7MX's current licensee, walking backwards.

  1. KQ1Sactive· E
    SMITH, WILLIAM CSCgranted 2018-06-26
  2. KB7LZactive· G
    Zwemke, Darrell LVAgranted 2020-03-03
  3. KO4BWEcancelled· T
    Zwemke, Darrell LVAgranted 2020-02-13cancelled 2020-03-03

Successor callsigns

Callsigns held now by people who previously held AF7MX.

  1. KQ1Scancelled· E
    SMITH, WILLIAM CCAgranted 2015-04-04cancelled 2018-04-20
← Back to AF7MX License history →