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

W6LJ callsign genealogy

Currently held by WATANUKI, MASANORI

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 W6LJ's current licensee, walking backwards.

  1. AA9WZcancelled· E
    WATANUKI, MASANORIFLgranted 1999-04-23cancelled 2008-05-31
  2. KB9UCZcancelled· A
    WATANUKI, MASANORIcancelled 1999-04-23

Successor callsigns

Callsigns held now by people who previously held W6LJ.

  1. W6DCactive· E
    COLBURN, DANIEL WCAgranted 2016-03-02

All historical holders

Every license row we've seen with the callsign W6LJ, oldest first.

  • COLBURN, DANIEL W CA
    1997-02-12 → cancelled 2006-05-12
  • WATANUKI, MASANORI FL
    2018-03-22 active
← Back to W6LJ License history →