Re: [Discuss-gnuradio] Radio Astronomy GSoC 2017 group possible?

[Marcus D. Leech]

On 02/07/2017 05:40 PM, Glen I Langston wrote:
> Hi Marcus,
>
> I just found the problem.  My device only has one channel.  I deleted
> all the 2nd channel stuff and the spectro_radiometer is working great.
>
> I’ve got to find where the data is going, but I like the many features you’ve
> added.
>
> Cheers
>
> Glen
The default prefix is "./", so there'll be .csv files accumulating in 
whatever directory you started it from.


> > On Feb 7, 2017, at 5:24 PM, Glen I Langston <address@hidden> wrote:
> >
> > Hi Marcus,
> >
> > Thanks for your comments concerning the GSoC.   Maybe
> > if I more narrowly defined the features I’m after maybe
> > it could be made more appropriate to the group.
> >
> > I appreciate your leadership in GNUradio.  It inspired me to build my
> > horn.   I’m writing up a full document of what I’ve done and will send it
> > to you.
> >
> > Concerning your suggestions, that spectra_radiometer.grc is fairly amazing.
> >
> > I must have some versioning issues as I get an error before it launches.
> > what Gnuradio regions should I have?
> >
> >
> >
> > Thanks
> >
> > Glen
> >
> > Here’s the text from the GRC window:
> >
> > > <<< Welcome to GNU Radio Companion 3.7.10.1 >>>
> > >
> > > Block paths:
> > >         /Users/glangsto/.grc_gnuradio
> > >         /opt/local/share/gnuradio/grc/blocks
> > >
> > > Loading: "/Users/glangsto/Desktop/Research/grc/spectro_radiometer.grc"
> > > > > > Done
> > > Generating: '/Users/glangsto/Desktop/Research/grc/spectro_radiometer.py'
> > > > > > Warning: This flow graph contains a throttle block and another rate limiting 
> > > > > > block, e.g. a hardware source or sink. This is usually undesired. Consider 
> > > > > > removing the throttle block.
> > > Executing: 
> > > /opt/local/Library/Frameworks/Python.framework/Versions/2.7/Resources/Python.app/Contents/MacOS/Python
> > >  -u /Users/glangsto/Desktop/Research/grc/spectro_radiometer.py
> > >
> > > Mac OS; Clang version 8.0.0 (clang-800.0.42.1); Boost_105900; 
> > > UHD_003.010.000.000-MacPorts-Release
> > >
> > > qt_mac_loadMenuNib: could not create nib directory in temp
> > > Traceback (most recent call last):
> > >   File "/Users/glangsto/Desktop/Research/grc/spectro_radiometer.py", line 842, in 
> > > <module>
> > >     main()
> > >   File "/Users/glangsto/Desktop/Research/grc/spectro_radiometer.py", line 830, 
> > > in main
> > >     tb = top_block_cls(dcg=options.dcg, decln=options.decln, 
> > > device=options.device, frequency=options.frequency, gain=options.gain, 
> > > longitude=options.longitude, mode=options.mode, prefix=options.prefix, 
> > > rfilist=options.rfilist, srate=options.srate, zerotime=options.zerotime)
> > >   File "/Users/glangsto/Desktop/Research/grc/spectro_radiometer.py", line 325, 
> > > in __init__
> > >     self.osmosdr_source_0 = osmosdr.source( args="numchan=" + str(2) + " " + 
> > > device )
> > >   File 
> > > "/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/osmosdr/osmosdr_swig.py",
> > >  line 1173, in make
> > >     return _osmosdr_swig.source_make(*args, **kwargs)
> > > RuntimeError: Wrong device arguments specified. Missing nchan?On Feb 7, 2017, at 5:18 
> > > PM, Marcus D. Leech <address@hidden> wrote: