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 : https://wiki.gnuradio.org/index.php/InstallingGR then did the rtlsdr installation from: https://osmocom.org/projects/rtl-sdr/wiki/Rtl-sdr but i have no idea why it brings up with this error. ......................................................................................... 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) ............................................................................................ Please help me. It has been nearly two weeks, I am behind this. WR, Gokul Sani.
