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

W6LLL 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 W6LLL's current licensee, walking backwards.

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

Successor callsigns

Callsigns held now by people who previously held W6LLL.

  1. W6DNMcancelled· E
    HIROTOSHI, YAMADACAgranted 2018-11-15cancelled 2021-01-29

All historical holders

Every license row we've seen with the callsign W6LLL, oldest first.

  • BRANDT, CHESTER W CA
    1987-09-01 → cancelled 1999-09-02
  • HIROTOSHI, YAMADA CA
    2007-07-31 → cancelled 2008-12-20
  • LAWRENCE LIVERMORE NATNL LAB RAD CLB CA
    2025-12-05 active
← Back to W6LLL License history →