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<p><p><span>Bare with a old Man( I'm anxious to get this working)</span></p><p><span>I downloaded Ubuntu 14.04, never used Linux before</span></p><p><span>I installed it along side windows 7, I used this method, pasted below to install OP25</span></p><p><span>Everything looks like it installed correctly, happy first timer no errors</span></p><p><span>I went into files, all seems to be there</span></p><p><span>I have a RTL2832u device</span></p><p><span>The local system I want to track is Phase 2 , Tdma, I believe</span></p><p><span>control channel 858.43750</span></p><p><span><br></span></p><p><span>How do I launch the program, scope.py is that correct</span></p><p><span>I googled it, I found some things to try,</span></p><p><span>2 lines in command, no dice</span></p><p><span>Is there a step by step anywhere, I can read. I've read and read, I know its just me</span></p><p><span>but I'm closer than I was 4 days ago</span></p><p><span><br></span></p><p><span>?s (1)Do I launch by command prompt, is there an app to click on(2) how do I put in put my control channel, in my files somewhere) </span></p><p><span>just some basic questions for a newbie</span></p><p><span>thanks for any help</span></p><span><p>.<br><br>This recipe has been tested on ubuntu 14.04 only, it is likely NOT to work in either 12.04 or 16.04...<br><br>First, use these commands to install the pre-reqs<br><br></p><p><span>sudo apt-get update<br>sudo apt-get build-dep gnuradio<br>sudo apt-get install gnuradio gnuradio-dev gr-osmosdr librtlsdr-dev libuhd-dev libhackrf-dev libitpp-dev libpcap-dev git</span></p><p><br><span></span></p><p><span>Second, use these commands to build and install OP25: [Note, the mkdir build; cd build; cmake ../; make; sudo make install sequence is a bog-standard form when source-building apps that utilize cmake.]<br></span></p><p><br><span></span></p><p><span>cd ~<br>git clone git://op25.osmocom.org/op25.git<br>cd op25<br>mkdir build<br>cd build<br>cmake ../<br>make<br>sudo make install<br>sudo ldconfig<br class="ygrps-yiv-42778431yui-cursor"></span></p><p><br><span></span></p><p><span>Finally you may need to use the command <br></span></p><p><span>sudo rmmod dvb_usb_rtl28xxu<br></span></p><p><span>to remove the DVB kernel module that conflicts with the RTL USB SDR. You may also need to edit the system udev rules for the RTL -both are common issues and you can search for the needed resources if the RTL isn't getting recognized... Once this is all done (no longer a need to source any env commands into the shell) you should be ready to invoke scope.py, which is the principal OP25 GUI app... As a pre-check, you can also run the osmocom_fft application (which should install as part of the pre-reqs) to test basic RTL connectivity and rule out related problems before invoking scope.py...<br></span></p></span><p><br></p></p>
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