ブランドガイド
Why Japanese Radios Dominate Amateur Radio
An editorial look at how Yaesu, Icom, and Kenwood came to define global ham radio — engineering culture, manufacturing, and market dynamics.
ブランドガイドThe History of Kenwood: Audio Heritage Meets Ham Radio
From Tokyo audio engineering to TS-series transceivers — how Kenwood brought hi-fi sensibility to amateur radio.
ブランドガイドThe History of Icom: From Marine Radios to SDR Pioneers
How Icom evolved from Osaka marine communications into the company that brought direct-sampling SDR to mainstream amateur radio.
ブランドガイドThe History of Yaesu: From Tokyo to Global Ham Radio
How Yaesu Musen grew from a Tokyo workshop into a global amateur radio brand — from the FT-101 through FTDX flagships and System Fusion.
ブランドガイドYaesu vs Icom vs Kenwood: The Definitive Guide
Comparing the big three Japanese amateur radio brands across performance, price, heritage, and use case.