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

K6CIM callsign genealogy

Currently held by FARRAND, DONALD L

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 K6CIM's current licensee, walking backwards.

  1. K6KDKactive· T
    Kasad, Kian DCAgranted 2021-03-09
  2. K6ETDcancelled· T
    Kasad, KianCAgranted 2017-05-31cancelled 2021-03-09
  3. KM6DERcancelled· T
    Kasad, Kian DCAgranted 2016-06-01cancelled 2017-05-31

Successor callsigns

Callsigns held now by people who previously held K6CIM.

  1. KK6FNMactive· T
    Yamamoto, YoshihiroCAgranted 2024-08-16

All historical holders

Every license row we've seen with the callsign K6CIM, oldest first.

  • FARRAND, DONALD L CA
    1997-04-10 → cancelled 2009-04-11
  • Yamamoto, Yoshihiro CA
    2013-08-16 → cancelled 2014-04-25
  • Kassis, David J CA
    2026-04-08 active