https://www.pistack.xyz/tags/signal-analysis/ Recent content in Signal-Analysis on Pi Stack Hugo en-us Sat, 06 Jun 2026 00:00:00 +0000 https://www.pistack.xyz/posts/2026-06-06-self-hosted-rf-signal-analysis-urh-sigdigger-inspectrum-guide/ Sat, 06 Jun 2026 00:00:00 +0000 https://www.pistack.xyz/posts/2026-06-06-self-hosted-rf-signal-analysis-urh-sigdigger-inspectrum-guide/ <h2 id="introduction">Introduction</h2> <p>The electromagnetic spectrum is crowded with signals — Wi-Fi, Bluetooth, Zigbee, LoRa, proprietary IoT protocols, garage door openers, car key fobs, weather sensors, and countless other wireless devices. Understanding what&rsquo;s being transmitted around you requires specialized signal analysis tools that can capture, visualize, demodulate, and even reverse-engineer unknown radio protocols.</p>