Dear Sir/Madam,
I am kind of new to Gnuradio, i am craving to start with my projects using usrp, hackrf and rtlsdr. To begin with, i thought of running rtlsdr basic receiver project, but unfortunately i am unable to pass the proper installation stage.
I was trying ppa binary installation for Gnuradio 3.8 on Ubuntu 20.04. i followed the documentation steps exactly as said in the gnuradio rtlsdr official sites. I did the ppa installation from :
then did the rtlsdr installation from:
but i have no idea why it brings up with this error.
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Generating: '/media/goku/GOKU/GNU_Radio/test_youtube.py'
Executing: /usr/bin/python3 -u /media/goku/GOKU/GNU_Radio/test_youtube.py
Warning: failed to XInitThreads()
gr-osmosdr 0.2.0.0 (0.2.0) gnuradio 3.8.1.0
built-in source types: file osmosdr fcd rtl rtl_tcp uhd miri hackrf bladerf rfspace airspy airspyhf soapy redpitaya freesrp
[INFO] [UHD] linux; GNU C++ version 9.2.1 20200304; Boost_107100; UHD_3.15.0.0-2build5
Found Rafael Micro R820T tuner
Using device #0 Realtek RTL2838UHIDIR SN: 00000001
Found Rafael Micro R820T tuner
[R82XX] PLL not locked!
[R82XX] PLL not locked!
Traceback (most recent call last):
File "/media/goku/GOKU/GNU_Radio/test_youtube.py", line 147, in <module>
main()
File "/media/goku/GOKU/GNU_Radio/test_youtube.py", line 125, in main
tb.start()
File "/usr/lib/python3/dist-packages/gnuradio/gr/top_block.py", line 111, in start
top_block_start_unlocked(self._impl, max_noutput_items)
File "/usr/lib/python3/dist-packages/gnuradio/gr/runtime_swig.py", line 4832, in top_block_start_unlocked
return _runtime_swig.top_block_start_unlocked(r, max_noutput_items)
RuntimeError: list contains invalid format!
>>> Done (return code 1)
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Please help me. It has been nearly two weeks, I am behind this.
WR,
Gokul Sani.