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

KN6MS callsign genealogy

Currently held by Serino, Michael

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 KN6MS's current licensee, walking backwards.

  1. KN6TJBcancelled· E
    Serino, MichaelCAgranted 2022-03-21cancelled 2023-11-17

Successor callsigns

Callsigns held now by people who previously held KN6MS.

  1. W6CAGcancelled· A
    GRAY, CHRISTOPHER AHIgranted 2012-02-18cancelled 2015-12-25

All historical holders

Every license row we've seen with the callsign KN6MS, oldest first.

  • GRAY, CHRISTOPHER A CA
    1993-06-01 → cancelled 2002-04-04
  • Serino, Michael CA
    2023-11-17 active