uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-14

KK6FNM callsign genealogy

Currently held by Yamamoto, Yoshihiro

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 KK6FNM's current licensee, walking backwards.

  1. K6CIMactive· E
    Kassis, David JCAgranted 2026-04-08
  2. K6KDKactive· T
    Kasad, Kian DCAgranted 2021-03-09
  3. K6ETDcancelled· T
    Kasad, KianCAgranted 2017-05-31cancelled 2021-03-09
  4. KM6DERcancelled· T
    Kasad, Kian DCAgranted 2016-06-01cancelled 2017-05-31

Successor callsigns

Callsigns held now by people who previously held KK6FNM.

  1. K6CIMcancelled· T
    Yamamoto, YoshihiroCAgranted 2013-08-16cancelled 2014-04-25

All historical holders

Every license row we've seen with the callsign KK6FNM, oldest first.

  • Yamamoto, Yoshihiro CA
    2013-07-17 → cancelled 2013-08-16
  • Yamamoto, Yoshihiro CA
    2024-08-16 active
← Back to KK6FNM License history →