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

KM6FPF callsign genealogy

Currently held by Yamanaka, John M

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 KM6FPF's current licensee, walking backwards.

  1. N6TIKcancelled· G
    Yamanaka, John MCAgranted 2020-09-26cancelled 2021-09-25

Successor callsigns

Callsigns held now by people who previously held KM6FPF.

  1. K6JMYactive· E
    Yamanaka, JohnCAgranted 2024-09-10
  2. N6TIKcancelled· G
    Yamanaka, John MCAgranted 2020-09-26cancelled 2021-09-25
  3. W0JMYcancelled· G
    Yamanaka, John MCAgranted 2017-08-15cancelled 2019-08-27

All historical holders

Every license row we've seen with the callsign KM6FPF, oldest first.

  • Yamanaka, John M CA
    2016-10-03 → cancelled 2017-08-15
  • Yamanaka, John M CA
    2019-08-27 → cancelled 2020-09-26
  • Yamanaka, John CA
    2021-09-25 → cancelled 2024-09-10
← Back to KM6FPF License history →