EPISODE · Jun 13, 2026 · 10 MIN
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 transmission just by its shape, and how to use the waterfall as a real-time window into propagation conditions.
What this episode covers
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 transmission just by its shape, and how to use the waterfall as a real-time window into propagation conditions.
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Below the Noise Floor — Episode 3: "Reading the Waterfall"
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