https://www.pistack.xyz/tags/atmospheric/ Recent content in Atmospheric on Pi Stack Hugo en-us Sat, 06 Jun 2026 00:00:00 +0000 https://www.pistack.xyz/posts/2026-06-06-self-hosted-weather-balloon-radiosonde-tracking-radiosonde-auto-rx-guide/ Sat, 06 Jun 2026 00:00:00 +0000 https://www.pistack.xyz/posts/2026-06-06-self-hosted-weather-balloon-radiosonde-tracking-radiosonde-auto-rx-guide/ <h2 id="introduction">Introduction</h2> <p>Twice daily, hundreds of weather stations worldwide launch radiosondes — instrument packages carried aloft by weather balloons that transmit real-time temperature, humidity, pressure, and GPS position data back to ground stations. These transmissions, typically on 400-406 MHz, are unencrypted and receivable by anyone with an RTL-SDR dongle within a 300-500 km radius.</p>