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An Ubuntu 20.04 virtual machine image with GNU Radio 3.8.2.0, Fosphor, GQRX, and several other useful pieces of software.
 
An Ubuntu 20.04 virtual machine image with GNU Radio 3.8.2.0, Fosphor, GQRX, and several other useful pieces of software.
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The images are available at: https://www.gnuradio.org/releases/
  
 
The most recent image is instant-gnuradio-3.8.2.0-1.0.0.ova and is a 3.4 GB download and 11 GB once installed and launched.
 
The most recent image is instant-gnuradio-3.8.2.0-1.0.0.ova and is a 3.4 GB download and 11 GB once installed and launched.
  
There is a torrent available: https://gnuradio.inpha.se/instant-gnuradio-3.8.2.0-1.0.0.ova.torrent
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There is also a torrent available: https://gnuradio.inpha.se/instant-gnuradio-3.8.2.0-1.0.0.ova.torrent
 
 
If you can't use the torrent (which would be load balancing, including using GNU Radio's server), you can also download from  https://www.gnuradio.org/releases/ , but that might be slower.
 
 
 
The VM is built with [https://github.com/bastibl/instant-gnuradio Instant GNU Radio]. If there are any issues, please report them [https://github.com/bastibl/instant-gnuradio/issues here]. You can also use the VM as a base for your own builds. See the VM, created for the GRCon workshop on satellite communications [https://github.com/bastibl/instant-gnuradio/commit/a0ffd8af73a0b2ed3db3262699c08cfb015147b4 as an example].
 
  
  
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The first icon in the app menu (the GNU Radio logo) will start GRC.
 
The first icon in the app menu (the GNU Radio logo) will start GRC.
  
== USB Devices ==
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== USB Devices ===
  
 
=== Passing Through USB Devices ===
 
=== Passing Through USB Devices ===
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which should print out status, and then appear to hang. CTRL-C to stop.
 
which should print out status, and then appear to hang. CTRL-C to stop.
  
== Tools ==
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== GQRX ==
 
 
=== GQRX ===
 
  
 
The fastest way to see something interesting using a real SDR device is to run GQRX (icon that looks like a pulse). Select the RTL device from the initial dialog, or from I/O devices (second icon on the menu bar). GQRX remembers the last device and settings used. If the available devices have changed (or even appear that way in the VM), it may not start up cleanly. In this case, try it a couple of times and you should be able to select the device/setting you want.
 
The fastest way to see something interesting using a real SDR device is to run GQRX (icon that looks like a pulse). Select the RTL device from the initial dialog, or from I/O devices (second icon on the menu bar). GQRX remembers the last device and settings used. If the available devices have changed (or even appear that way in the VM), it may not start up cleanly. In this case, try it a couple of times and you should be able to select the device/setting you want.
  
 
More information on GQRX is available here: https://gqrx.dk/
 
More information on GQRX is available here: https://gqrx.dk/
 
=== Inspectrum ===
 
 
Inspectrum is an easy-to-use FFT viewer for multiple file formats (determined by the file suffix). See: https://github.com/miek/inspectrum.
 
 
=== URH ===
 
 
Universal Radio Hacker is an end-to-end RF reverse engineering tool. It can capture, demodulate, analyze and generate bursts representing digital communication. There is a bit of a learning curve due to the amount of ground it covers, but it's worth the effort. See: https://github.com/jopohl/urh.
 

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