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

WO6Y callsign genealogy

Currently held by Climaco, Eugene

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 WO6Y's current licensee, walking backwards.

  1. KA6MCKcancelled· E
    Koch, Michael CCAgranted 2019-09-21cancelled 2020-02-28
  2. KM6VNGcancelled· G
    Koch, Michael CCAgranted 2018-09-04cancelled 2019-09-21

Successor callsigns

Callsigns held now by people who previously held WO6Y.

  1. W9FVactive· E
    Climaco, EugeneCAgranted 2018-01-17

All historical holders

Every license row we've seen with the callsign WO6Y, oldest first.

  • DAVIS, KAY E CA
    2005-07-08 → cancelled 2017-09-13
  • Climaco, Eugene CA
    2017-10-03 → cancelled 2018-01-17
  • Koch, Michael C CA
    2020-02-28 active
← Back to WO6Y License history →