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From: | Ian Bennett |
Subject: | No "osmocom source" and no RTL dongle |
Date: | Sat, 6 Nov 2021 08:23:43 +1100 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 |
All, I followed the install instructions from here: https://wiki.gnuradio.org/index.php/InstallingGR After uninstalling 3.7 that came from the Ubuntu repos, I did: $ sudo add-apt-repository ppa:gnuradio/gnuradio-releases $ sudo apt update $ sudo apt install gnuradio This gave me version 3.8.2.0 (Python 3.6.9) and not 3.9 as indicated. I now have no source for my RTL dongle, nor do I have a "osmocom source".I note that during the install, one of the "Suggested Packages" is gr-osmosdr however at the bottom of the website install instructions it states "Attention: Do NOT try to install further packages like `gr-osmosdr` via Ubuntu's package management (i.e. using "apt"). Ubuntu will try to install a potentially incompatible version and your system will be in an undefined state."
How do I solve my RTL dongle and osmocom source problem? Guidance appreciated. Ian On 6/11/21 7:51 am, Ian Bennett wrote:
Cinaed, Thanks for the reply.librtlsdr-dev was already installed. The other two were not and pulled in some other dependencies during the install process.This did not fix my problem though.I couldn't install gr-baz from the ubuntu repo so followed the build process for gr-baz on github. I could then get it to run, but with no output. After further reading, the website recommends a minimum version of 3.8. I note that 3.9 is available via a PPA so will install that and work through the tutorials (which I didn't find yesterday). Must have had a "man" look ;-)Thanks again for your assistance. Ian On 6/11/21 6:47 am, Cinaed Simson wrote:I'd recommend installing -the following - if you haven't already done so librtlsdr-dev libosmosdr-dev libosmocore-dev (not sure) And I'm just guessing - I don't have gnuradio 3.7 or ubuntu installed.Also,unless you were able to in install the ubuntu package gr-baz from one of the ubuntu repositories - which is unlikely, then download and built the code fromhttps://github.com/balint256/gr-baz I's an OOT module which doesn't come with gnuradio.And I would test using the rtl dongle with gnuradio. Create a flowgraph with the "osmocom soure" and a "qt gui sink".-- Cinaed On 11/5/21 03:40, Ian Bennett wrote:Good Evening, I am taking my first tentative steps with GNU Radio.I am using Ubuntu 18.04.6 LTS with a RTL2832U dongle from RTL-SDR.COM. This combination works fine with CubicSDR and rtl_433. I installed gnuradio-companion from the repo (sudo apt install gnuradio) which gave me version 3.7.11-10.I found a tutorial that built a FM receiver, so thought that would be a good place to start.After a few issues building the receiver (solved with google), I finally got to the point where I could execute the flow graph.Now I get the following in the terminal: Executing: /usr/bin/python -u /data/Amateur_Radio/SDR/GNU-radio/top_block.py Traceback (most recent call last): File "/data/Amateur_Radio/SDR/GNU-radio/top_block.py", line 35, in <module> import baz File "/usr/local/lib/python2.7/dist-packages/baz/__init__.py", line 40, in <module> from baz_swig import * ImportError: No module named baz_swig I can see there is "No module named baz_swig" but no amount of googling yielded a solution. Hoping someone can help. Regards, Ian .
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