Re: [Discuss-gnuradio] new user

[Cinaed Simson]

On 07/04/2016 07:52 AM, Darin Decker wrote:
> Good morning, I have been trying to get Gnuradio up and and running all 
> weekend on either a Macbook Pro or a System 76 Ubuntu 12.04 machine but have 
> not had any success.  If I understand correctly, Ubuntu 12.04 is not 
> supported so I have not pursued that much but focused on the Macbook Pro. 
> 
> When I try to run gnuradio-companion on the Mac, I initially get 'The xterm 
> executable “ is missing’.  


When I search for gnu radio.conf, the file doesn’t seem to be on the
computer.

There's no such file on my computer either - regardless of where I
search for gnu_radio.conf. "gnu radio.conf"  or gnu-radio.conf.

There is a file

   /etc/ld.so.conf.d/gnuradio.conf

on Debian (the rock on which Ubuntu was forked.) Check to see if it's
there.

>  
> Then when I run a simple flow(RTL-SDR Source -> WX GUI FFT Sink), i get a 
> python error of no module named osmosdr.

The fact that you can run anything indicates the file

  /etc/ld.so.conf.d/gnuradio.conf

should exist - unless your installation of gnuradio was statically linked.

The osmosdr error could indicate that the osmosdr module wasn't
installed - check

   $prefix/lib/python2.7/dist-packages/osmosdr

and ensure something is installed there.

It's also possible this error message is a result of previous errors.

> 
> Then I tried the Live DVD.  Trying both from DVD and from USB Flashdrive.  On 
> both the System 76 and the Mac hardware, I get the same issue.
> 
> I have an RTL-SDR device and I believe the program is recognizing the device 
> because it says Rafael Tuner 820; however, it then says PLL won’t lock.  I 
> have tried multiple FM broadcast frequencies; as well as, AM broadcast 
> frequencies.  On the FM, I’m inputting values of 101.1e06 for example.  On 
> the AM I input 108e04 as an example(1080 on am dial is the intended target in 
> that case).

You may already have a rtl kernel driver loaded for your Ethernet card
which your rtl dongle is trying to use but can't.

Type

  lspci | grep Ethernet

and see if you can spot a RealTek controller.

> 
> I also have a SDRplay but can’t get that to connect at all.  Looks like if 
> you don’t have a Windows machine, that doesn’t seem to work well yet.  
> Guessing drivers or something on SDRplay side.
> 
> Any help is greatly appreciated.  For right now, I’m just wanting to get it 
> up and running in any way possible.
> 
> Darin
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