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

WK6M callsign genealogy

Currently held by GBARC

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 WK6M's current licensee, walking backwards.

  1. AC2DFcancelled· E
    IMAIZUMI, KOSHINYgranted 2010-01-27cancelled 2010-07-09
  2. KC2WNCcancelled· E
    IMAIZUMI, KOSHINYgranted 2010-01-27cancelled 2010-04-21

Successor callsigns

Callsigns held now by people who previously held WK6M.

  1. W6OLDcancelled
    Kirk W Todd Memorial ARCCAgranted 2018-04-03cancelled 2021-02-13

All historical holders

Every license row we've seen with the callsign WK6M, oldest first.

  • GBARC CA
    1998-06-18 → cancelled 2008-06-24
  • IMAIZUMI, KOSHI NY
    2020-04-16 active