『Below the Noise Floor』のカバーアート

Below the Noise Floor

Below the Noise Floor

著者： James
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Below the Noise Floor is a self-education project turned podcast. One licensed amateur radio operator learning HF radio and AetherSDR from the ground up - the bands, the waterfall, the voice chain, the digital modes, the antennas - and sharing the process. These episodes are mostly AI-generated content built around real curiosity and real equipment. If you are new to HF or new to software-defined radio and want something that starts from zero and builds methodically, this might be exactly what you were looking for.

© 2026 Below the Noise Floor
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  • Below the Noise Floor — Episode 2: "Getting Started with AetherSDR"

    Below the Noise Floor — Episode 2: "Getting Started with AetherSDR"
    2026/06/06
    AetherSDR is a free, open-source client for FlexRadio transceivers that runs natively on Linux, macOS, and Windows. This episode covers what it is, why it exists, how to download and install it on each platform, and how to start it up and connect it to your radio for the first time.
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    9 分
  • Below the Noise Floor — Episode 2: Getting Started with AetherSDR

    Below the Noise Floor — Episode 2: Getting Started with AetherSDR
    2026/06/06
    AetherSDR is a free, open-source client for FlexRadio transceivers that runs natively on Linux, macOS, and Windows. This episode covers what it is, why it exists, how to download and install it on each platform, and how to start it up and connect it to your radio for the first time.
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    9 分
  • Below the Noise Floor Presents: The Trojan Relay (A Dramatized Special)

    Below the Noise Floor Presents: The Trojan Relay (A Dramatized Special)
    2026/06/05
    A dramatized audio mystery. It starts the way these things always start. Late, alone, tuning the dead grass at the bottom of the band where nothing is supposed to live. Then the static stops in one narrow place, and starts counting. The carrier does not drift. It does not move with the stars. It holds station against the Sun and the planets both, from the one place in the solar system a thing can sit forever and never spend a drop of fuel. The payload is a wall, packed so tight it reads as pure noise, unbreakable. But the operator does not need to break it. He reads the headers. The addresses, the hop counts, the timestamps. And the envelope tells him everything: the size of the network, the reach of it, and the one universal clock its builders used to stamp the very first packet. The answer to how old they are is not the scary part. The scary part is what arrives on the second night. Best experienced with headphones, in the dark, with the volume up. Contains: one carrier, one operator, and a question with an answer none of us were ready for. A Below the Noise Floor dramatized special.
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    20 分
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