3 ms·

SDRangel: Explore the electromagnetic spectrum with open source SDR software

84 points by teleforce 3y ago

vasdae 3y ago
SDRangel is the easiest way I know of decoding NXDN and DMR/dPMR. Years ago you were forced to use DSDPlus and other unwieldly and sometimes paid software.
asicsarecool 3y ago
Thread hijack: I dream of a TUI SDR Linux app, so I can SSH into a box with an sdr, control it, and somehow get audio back, either through some streaming port or somehow over the SSH link itself. I've looked but failed to find it - is the cli version of this app what I'm looking for? Bonus points for waterfall display nicely rendered
- madengr 3y ago
  I wrote this years ago with that intent, though I don’t know you’d get audio back in real-time. https://github.com/madengr/ham2mon https://github.com/madengr/ham2mon
- madphilosopher 3y ago
  Possibly close to what you describe, gqrx (a GUI SDR Linux app) has a remote control protocol that can be typed by hand or scripted over telnet. And it has the option to stream the audio over UDP to a remote host. For a demo of the remote control protocol, see this video: "Ham Radio - Network sockets and remote control of GQRX SDR with telnet and python"[1] [1] https://www.youtube.com/watch?v=7Rd7Sd9hRBo https://www.youtube.com/watch?v=7Rd7Sd9hRBo
- H8crilA 3y ago
  SDR Sharp has a good server implementation. It doesn't send the entire I/Q stream (which is 2 megabytes / second for each MSPS at 8 bit precision), but rather sends the FFT processed waterfall plus only whatever you are currently tuned to. Works really well even on weaker network links. If bandwidth is not a problem you can of course just stream the entire I/Q, SoapySDR has that option.
kristopolous 3y ago
This github page is a really poor representation of the software for the unfamiliar. Try here instead: https://www.sdrangel.org/ https://www.sdrangel.org/ It's like a radio signal workstation, cribbing from the "digital audio workstation" term in the music world.
- CliffStoll 3y ago
  Agreement. As a ham radio operator and sometimes programmer; I found the GitHub documentation utterly opaque.
ur-whale 3y ago
So what does this do exactly? The github as well as the wiki seem to be entirely devoid of the "this program does X, Y and Z", and no, "explore the electromagnetic spectrum" does not cut it.
- kristopolous 3y ago
  https://www.sdrangel.org/ https://www.sdrangel.org/ "Everything" isn't a bold statement here.

84 points by teleforce 3y ago

SDRangel is the easiest way I know of decoding NXDN and DMR/dPMR. Years ago you were forced to use DSDPlus and other unwieldly and sometimes paid software.

asicsarecool 3y ago

Thread hijack: I dream of a TUI SDR Linux app, so I can SSH into a box with an sdr, control it, and somehow get audio back, either through some streaming port or somehow over the SSH link itself. I've looked but failed to find it - is the cli version of this app what I'm looking for? Bonus points for waterfall display nicely rendered

madengr 3y ago
I wrote this years ago with that intent, though I don’t know you’d get audio back in real-time. https://github.com/madengr/ham2mon https://github.com/madengr/ham2mon
madphilosopher 3y ago
Possibly close to what you describe, gqrx (a GUI SDR Linux app) has a remote control protocol that can be typed by hand or scripted over telnet. And it has the option to stream the audio over UDP to a remote host. For a demo of the remote control protocol, see this video: "Ham Radio - Network sockets and remote control of GQRX SDR with telnet and python"[1] [1] https://www.youtube.com/watch?v=7Rd7Sd9hRBo https://www.youtube.com/watch?v=7Rd7Sd9hRBo
H8crilA 3y ago
SDR Sharp has a good server implementation. It doesn't send the entire I/Q stream (which is 2 megabytes / second for each MSPS at 8 bit precision), but rather sends the FFT processed waterfall plus only whatever you are currently tuned to. Works really well even on weaker network links. If bandwidth is not a problem you can of course just stream the entire I/Q, SoapySDR has that option.

kristopolous 3y ago

This github page is a really poor representation of the software for the unfamiliar. Try here instead: https://www.sdrangel.org/ https://www.sdrangel.org/ It's like a radio signal workstation, cribbing from the "digital audio workstation" term in the music world.

CliffStoll 3y ago
Agreement. As a ham radio operator and sometimes programmer; I found the GitHub documentation utterly opaque.

ur-whale 3y ago

So what does this do exactly? The github as well as the wiki seem to be entirely devoid of the "this program does X, Y and Z", and no, "explore the electromagnetic spectrum" does not cut it.

kristopolous 3y ago
https://www.sdrangel.org/ https://www.sdrangel.org/ "Everything" isn't a bold statement here.