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Confidence: Medium · Source: FCC ULS · As of 2026-09-12

K6JAL callsign genealogy

Currently held by Muramatsu, Namie

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 K6JAL's current licensee, walking backwards.

  1. N1JALcancelled· G
    Liebelt, JoergCAgranted 2021-06-04cancelled 2021-06-25
  2. KN6OXDcancelled· T
    Liebelt, JoergCAgranted 2021-05-17cancelled 2021-06-04

Successor callsigns

Callsigns held now by people who previously held K6JAL.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign K6JAL, oldest first.

  • Muramatsu, Namie CA
    2005-06-03 → cancelled 2017-06-06
  • Liebelt, Joerg CA
    2021-06-25 active
← Back to K6JAL License history →