When trying to execute a GNU Radio program that uses a USRP, I get an error backtrace, which (in Python) typically ends with: self.u = uhd.usrp_source(device_addr=args, stream_args=uhd.stream_arg...

I have a RTL-SDR and want to count the numbers of beeps per minute for a wildlife tracker around 150Mhz. There is no information encoded/modulated in the beeps - it all comes down to beeps per minu...

How do I correctly set up the $PYTHONPATH variable for my workspace in VisualStudio Code? Background Information I have installed two versions of GNURadio: GNURadio version 3.7.11 installed by ...

Do you know the format in which GNU Radio ( File Sink in GNU Radio Companion) stores the samples in the Binary File? I need to read these samples in Matlab, but the problem is the file is too big ...

In PyCharm I've added the Python environment /usr/bin/python and GNU Radio works fine outside of PyCharm. However, importing it fails in PyCharm with an undefined reference. from gnuradio import gr...

I am having issues getting python to import the _analog_swig gnuradio module in order to run gnuradio code on a Windows 8.1 64bit machine. Some background: I am running Python 2.7.10 (installed i...

I installed Anaconda Python on my RHEL6 system. In order to run gnuradio I need wxPython. For that reason I did conda install wxpython The problem is when I try to import Wx module in python. Th...

I try to operate NI USRP-2920 by GNUradio. At the first, I typed "uhd_usrp_probe". Result is below. [INFO] [UHDlinux; GNU C++ version 4.8.4; Boost_105400; UHD_3.11.0.git-208-g1da86f9c] [INFO] [US...

I am trying to create a Hierarchical block using the GNURadio Companion GUI. Answers I've found in other posts say to select the blocks you want to incorporate, then go to More -> Create Hier. Then...

I know this question has been asked before, but I don't find a useful solution. The full error is : Executing: "/home/mint/Documents/test_sensor/cycl_test/top_block.py" Using Volk machine: avx_64...

I'm trying to demodulate a signal using GNU Radio Companion. The signal is FSK (Frequency-shift keying), with mark and space frequencies at 1200 and 2200 Hz, respectively. The data in the signal te...

I am working with gnuradio-companion in (End-of-Life) GNU Radio 3.7, working on a bigger project with a lot of blocks for the first time. The space on the workbench is getting scarce. Do you know i...

I work with wildlife radio transmitters and I would like to build something that will listen for these signals and keep track of what it has heard. The signal is a tone that is transmitted 60 times...

How do I find out the version of GNU Radio that I have installed? I would like the use their messaging libraries, but they are available on newer versions of gnuradio only and for some reason I'm ...

I have been experimenting with GNU Radio and came across the tunnel.py program. This program allows you to tunnel IP traffic over a wireless radio link using Linux TUN/TAP devices. For the most par...

UPDATE Well, it looks like adding PyEval_InitThreads() before the call to PyGILState_Ensure() does the trick. In my haste to figure things out I incorrectly attributed my "hanging" to PyEval_InitTh...

I'm working with the Gnuradio framework. I handle flowgraphs I generate to send/receive signals. These flowgraphs initialize and start, but they don't return the control flow to my application: I ...