Publishing Details
About This Podcast
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.
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Recent Episodes
Below the Noise Floor — Episode 3: "Reading the Waterfall"
The waterfall is the defining feature of software-defined radio. This episode covers how to read it: what strong and weak signals look like, how to tell a voice signal from a digital mode from a CW…
Below the Noise Floor — Episode 3: Reading the Waterfall
The waterfall is the defining feature of software-defined radio. This episode covers how to read it: what strong and weak signals look like, how to tell a voice signal from a digital mode from a CW…
Below the Noise Floor — Episode 2: "Getting Started with AetherSDR"
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…
Below the Noise Floor — Episode 2: Getting Started with AetherSDR
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…
Below the Noise Floor Presents: The Trojan Relay (A Dramatized Special)
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…
Below the Noise Floor — Episode 1: What HF Radio Actually Is
High frequency radio has been talking to the other side of the planet for over a hundred years. No servers, no cell towers, no infrastructure - just a transmitter, an antenna, and the ionosphere.…
Frequently Asked Questions
Below the Noise Floor has published 6 episodes since May 2026, covering topics in Education, How To.
Below the Noise Floor is currently highly active with new episodes every few days. Average episode length is 9m.
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