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

W6DNM callsign genealogy

Currently held by HIROTOSHI, YAMADA

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 W6DNM's current licensee, walking backwards.

  1. W6LLLactive
    LAWRENCE LIVERMORE NATNL LAB RAD CLBCAgranted 2025-12-05
  2. WA6YHJcancelled
    LAWRENCE LIVERMORE NATNL LAB RAD CLBCAgranted 2014-04-03cancelled 2015-12-08

Successor callsigns

Callsigns held now by people who previously held W6DNM.

  1. AA6HYactive· E
    HIROTOSHI, YAMADACAgranted 2021-01-29
← Back to W6DNM License history →