uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-12

W6DJZ callsign genealogy

Currently held by Watanabe, Hideaki

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 W6DJZ's current licensee, walking backwards.

  1. W9DJZcancelled· E
    Watanabe, HideakiILgranted 2011-03-31cancelled 2021-03-19
  2. KB9ZTTcancelled· G
    Watanabe, HideakiILgranted 2001-05-31cancelled 2001-06-26

Successor callsigns

Callsigns held now by people who previously held W6DJZ.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign W6DJZ, oldest first.

  • HARWOOD, JACK W CA
    1994-03-22 → cancelled 2006-03-23
  • Watanabe, Hideaki IL
    2021-03-19 active
← Back to W6DJZ License history →