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

AC6Y callsign genealogy

Currently held by Klos, Nicolaas H

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 AC6Y's current licensee, walking backwards.

  1. N6EMRcancelled· E
    Okun, Michael RCAgranted 2013-06-27cancelled 2014-06-28
  2. KC7FGUcancelled· T
    OKUN, MICHAEL RCAgranted 1994-08-30cancelled 2003-09-23

Successor callsigns

Callsigns held now by people who previously held AC6Y.

  1. AC7ACactive· E
    D EAU CLAIRE, RONORgranted 2018-10-05

All historical holders

Every license row we've seen with the callsign AC6Y, oldest first.

  • Klos, Nicolaas H CA
    2002-06-07 → cancelled 2014-06-10
  • Okun, Micha R CA
    2024-04-04 active
  • D EAU CLAIRE, RON
    — → cancelled 1998-12-30
← Back to AC6Y License history →