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kevinelliott / reverse-engineering-the-websdr-at-utwente-00-index.md
Last active November 7, 2025 17:55
Reverse Engineering the WebSDR at UTwente

WebSDR Reverse Engineering - Documentation Index

Date: October 25, 2025 Project: WebSDR CLI Audio Quality Investigation Status: ✅ Phase 1 Complete - Documentation Ready


🎯 Executive Summary

Trying to figure out how to capture the audio from the WebSDR @ Twente.

http://websdr.ewi.utwente.nl:8901

Mirror the websdr site

wget --mirror http://websdr.ewi.utwente.nl:8901

Current Efforts

The ruby script will successfully pull down the audio IQ, however the IQ cannot be played in Audacity. I believe this is because the audio is encoded or otherwise slightly mangled to deter us.