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

KH6FS callsign genealogy

Currently held by YAMASHIRO, TAKEO

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 KH6FS's current licensee, walking backwards.

  1. NH6BWactive· G
    Tanaka, YasukoHIgranted 2017-12-02
  2. WH6FQAcancelled· G
    Tanaka, YasukoHIgranted 2017-11-09cancelled 2017-12-02

Successor callsigns

Callsigns held now by people who previously held KH6FS.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign KH6FS, oldest first.

  • YAMASHIRO, TAKEO HI
    1996-04-18 → cancelled 2005-07-10
  • YAMASHIRO, MILTON F HI
    2015-10-15 active