What is this?
SDR-- (repo sdrmm) is a software-defined radio application for listening to, decoding, and recording radio signals. You connect radios, channels, and displays together in Patch view, then pin your everyday controls to Rack view.
SDR-- (repo sdrmm) is a software-defined radio application for listening to, decoding, and recording radio signals. You connect radios, channels, and displays together in Patch view, then pin your everyday controls to Rack view.Is it a desktop app, or do I use it from a browser?Both. It runs as a desktop app with a local SDR, or as a client-server setup where the server sits near your antenna and you connect through a browser — same receiver engine and interface either way.
Both. It runs as a desktop app with a local SDR, or as a client-server setup where the server sits near your antenna and you connect through a browser — same receiver engine and interface either way.How do I get it installed?Grab a desktop installer or portable server from GitHub Releases. The install guide covers macOS, Windows and Linux, plus Homebrew, Nix and Docker; a headless server installs as 'sdrmm' from the Homebrew tap.
Grab a desktop installer or portable server from GitHub Releases. The install guide covers macOS, Windows and Linux, plus Homebrew, Nix and Docker; a headless server installs as 'sdrmm' from the Homebrew tap.Do I need a special radio to use it?Yes, an SDR receiver. The quick start uses an RTL-SDR dongle at a 2.4 MS/s sample rate; HackRF support is listed in the repo topics, and the Radios guide covers other hardware.
Yes, an SDR receiver. The quick start uses an RTL-SDR dongle at a 2.4 MS/s sample rate; HackRF support is listed in the repo topics, and the Radios guide covers other hardware.Is it ready for daily use, or still rough?It is under active development, and decoder maturity varies: the project publishes a decoder catalog showing how well each mode is tested, so check it before relying on a specific mode.
It is under active development, and decoder maturity varies: the project publishes a decoder catalog showing how well each mode is tested, so check it before relying on a specific mode.What would I actually use it for?Hobbyist and tinkerer workloads: tracking aircraft and ships, ham radio, pagers and sensor traffic, receiving images like SSTV and amateur TV — or just listening to AM, FM, SSB and digital voice.
Hobbyist and tinkerer workloads: tracking aircraft and ships, ham radio, pagers and sensor traffic, receiving images like SSTV and amateur TV — or just listening to AM, FM, SSB and digital voice.If the server sits near the antenna, is remote access protected?Yes, but you set it up yourself: for remote access you are told to configure authentication and HTTPS on the server.
Yes, but you set it up yourself: for remote access you are told to configure authentication and HTTPS on the server.How do I build my first receiver?In Patch view: add a Device node for your RTL-SDR (2.4 MS/s) and a WFM channel tuned to a local FM station, wire Device iq to WFM iq and WFM audio to the Speaker, start the Speaker, then press p on a node to pin it to Rack view. A 'Your first receiver' guide walks through it.
In Patch view: add a Device node for your RTL-SDR (2.4 MS/s) and a WFM channel tuned to a local FM station, wire Device iq to WFM iq and WFM audio to the Speaker, start the Speaker, then press p on a node to pin it to Rack view. A 'Your first receiver' guide walks through it.Does it go beyond plain listening?Yes — it bundles radio tools like scanning, signal identification, coherent arrays, direction finding, and even passive radar, with spectrum, waterfall, and map displays for what it hears.
Yes — it bundles radio tools like scanning, signal identification, coherent arrays, direction finding, and even passive radar, with spectrum, waterfall, and map displays for what it hears.Can I record signals and play them back later?Yes — it records device IQ, channel baseband, and audio, and supports SigMF playback of recordings.
Yes — it records device IQ, channel baseband, and audio, and supports SigMF playback of recordings.Can other tools control it?Yes — automation is built in via REST and WebSocket APIs, MCP, network IQ export, and event forwarding. A running server exposes Swagger UI at /api/docs and an OpenAPI spec at /api/openapi.json.
Yes — automation is built in via REST and WebSocket APIs, MCP, network IQ export, and event forwarding. A running server exposes Swagger UI at /api/docs and an OpenAPI spec at /api/openapi.json.What are similar projects?urh, vhs-decode, Shadowbroker, textream, agentsview, soundcraft, spotatui, mongo
urh, vhs-decode, Shadowbroker, textream, agentsview, soundcraft, spotatui, mongo