Spectre: Process, Explore and Capture Transient Radio Emissions

Getting started

Check out our GitHub Wiki here. Quick links are provided below:

• Installation
• Tutorials
• Contributing

Track our progress and upcoming features on our GitHub Project Board.

About Us

Spectre is a free and open source receiver-agnostic program for recording and visualising radio spectrograms. It's geared for hobbyists, citizen scientists, and academics who want to achieve scientifically interesting results at low cost.

Powered by GNU Radio and FFTW, it provides high performance on modest hardware. Applications include:

• Solar and Jovian radio observations
• Educational outreach and citizen science
• Amateur radio experimentation
• Lightning and atmospheric event detection
• RFI monitoring

Features

• Simple installation with Docker
• Wide receiver support (SDRplay, HackRF, RTL-SDR, USRP)
• Run natively on Linux, including Raspberry Pi
• Intuitive CLI tool
• Live record spectrograms and I/Q data
• Offers fixed and sweeping center frequency modes
• Backend web server with a discoverable RESTful API
• Developer-friendly and extensible

ℹ️ Looking for a lightweight alternative? Check out Spectrel, a stripped-back derivative of Spectre, written in pure C. No Docker required.