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

W6MKS callsign genealogy

Currently held by SQUYRES, KEITH M

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 W6MKS's current licensee, walking backwards.

  1. WA6QXAcancelled· G
    SQUYRES, KEITH MCAgranted 2017-01-06cancelled 2025-01-25

Successor callsigns

Callsigns held now by people who previously held W6MKS.

  1. K9CCOcancelled· E
    Smith, Michael KCAgranted 2015-12-29cancelled 2022-02-05
  2. K2MKScancelled· T
    Smith, Michael KCAgranted 2009-10-20cancelled 2010-08-27

All historical holders

Every license row we've seen with the callsign W6MKS, oldest first.

  • Smith, Mike K CA
    2006-02-22 → cancelled 2009-10-20
  • Smith, Michael K CA
    2010-08-27 → cancelled 2015-12-29
  • SQUYRES, KEITH M CA
    2025-01-25 active
← Back to W6MKS License history →