Hi Michael,
so, this having sat on my "what the hell, I need to look at this" list
for the weekend:
I can't reproduce the behaviour, but that might simply have the cause of
me using white noise instead of your recording. Could you share that?
I have two hypotheses and one observation so far:
The
Hi Jan
Believe me, I am reading the tutorials, also the youtube lessons
https://www.youtube.com/watch?v=N9SLAnGlGQs
But for me it is easier to understand basics when there is a basic
working layout available. There is so much about GNURADIO
out there that a noob also needs some help with the
Hello all
4 weeks ago did my first steps into Linux Ubuntu.
I am trying to get the RTL-Dongel to work but still not succeded in that,
Time to ask some help.
There is a image with pre-installed drivers and GNU-Radio companion,
http://gnuradio.org/redmine/projects/gnuradio/wiki/GNURadioLiveDVD
I
Hi Henk,
the problem is that the RTL dongle (and any SDR peripheral) just gives
you the signal as it is in the air -- you will still have to demodulate
it to get audio!
Now, wild assumption: you want to listen to FM Radio for a start.
So:
* configure your audio sink to 44100 Hz sample rate
* use
The example is running without errors.
Is it possible, that the way my music_cf function is outputting the
data, might cause some trouble?
Simon
Am 2015-09-04 21:45, schrieb Martin Braun:
There's an example for the vector sink, which doesn't seem to have that
issue. Can you confirm that?
Hi Simon,
> Is it possible, that the way my music_cf function is outputting the
data, might cause some trouble?
181 floats isn't really a "round" itemsize, and since GNU Radio can only
build buffers that are multiple of 4KB (==4096B), I assume that you get
a large buffer (probably 4096 items of
Hooking in on the discussion here. I struggle with something similar. I
know how to work gnuradio, that’s simple enough. What i want to learn more
about is how to configure my own SDR using gnuradio. So what the various
blocks are used for, when to use what block, etc.
I have experience LISTENING
I noticed since last time (a year ago) I tried building
Volk using MSVC v16, the volk_cpu.tmp.c now uses the
gcc-centric function '__cpuid_count()' which MSVC doesn't
have.
I'm not really sure if the below patch is correct. But I
assume (from looking at gcc 5.1's source) that the ECX should
be
Hi everybody,
I installed GNURadio on a fresh machine with Mac OS X 10.10.5 via MacPorts. I
now have 2 Python installs in /usr/bin, python2.6 and python2.7. Running
flowgraphs with GRC is no problem. However, when trying to run a .py-file from
the terminal, as suggested in the guided tutorial
On 7 September 2015 at 15:32, Kevin Reid wrote:
> On Sep 7, 2015, at 5:42, Murray Thomson
> wrote:
>
> >> 1. Using some method to force the wav source and audio source to match
> sample rates. Specifically, you could use a “Multiply by Matrix”
On Sep 7, 2015, at 5:42, Murray Thomson wrote:
>> 1. Using some method to force the wav source and audio source to match
>> sample rates. Specifically, you could use a “Multiply by Matrix” block to
>> replace the function of the Selector entirely: give it a matrix
Hi Patrick,
I think I might have the answer, although Michael Dickens could
certainly provide better explanations and all that.
You need to check your environment variables. You can do that in the
command line by typing "env".
Normally you should see something like
"
My thoughts Ton,
I just made the FM receiver Marcus advised and as discribed in tutorial 6.
This week I will ask a few questions about the configuration of these
blocks.
Understanding is the key word for me.
Thanks
Henk
Op 7-9-2015 om 13:38 schreef Ton Machielsen:
Hooking in on the
Dave,
this might look strange to the afterworld, but:
Are you Ravi?
Best regards,
Marcus
On 08.09.2015 00:05, Dave Allen wrote:
> Yes, I tried that. Regarding the former question, I guess I have kept
> all the files in that manner but I changed benchmark_tx.py and
> uhd_interface.py files as
I am sorry. No
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http://www.cgran.org/ isn't up to date either.
Ron
On 09/07/2015 07:29 PM, Chris Kuethe wrote:
I don't think there is an official policy. I do see that Tim updated
the recipes pointer a couple of days ago
(https://github.com/gnuradio/pybombs/commit/97fe3b3846dc1e10123fdc1c218ed94fa8dba63c).
..
Thanks for the reply. I really appreciate it. I have subscribed to the
mailing list. And in regard to my question, I have given the command and
it has popped up this line
gnuradio-config-info --version
v3.7.7.1-198-g9e133ccb
I am not sure of what version the GNU Radio it can be? The command I
Hi Patrick - So what's happening is that with GRC, because it was
installed via MacPorts the MP version of Python is used. The terminal
only knows what you tell it via environment variables such as PYTHONPATH
(already suggested by Kevin Hofschröer) and PATH. In your case right
now, I'll bet that
Yes, I tried that. Regarding the former question, I guess I have kept
all the files in that manner but I changed benchmark_tx.py and
uhd_interface.py files as far as I remember. Regarding the latter, I was
not able to give manually because I did not know as to exactly what
sampling rate and
Ravi,
I don't understand -- are you Dave Allen?
Best regards,
Marcus
On 07.09.2015 23:59, Ravi Vemuri wrote:
> Hi all,
> I have been trying to send data between 2 USRP's from the benchmark_tx
> file only to observe that I have been receiving this error.
>
> Traceback (most recent call last):
>
It seems that when I create a signal source block and try and view the
signal on a waterfall plot or FFT plot, I can not increase the signal by
a granularity of 1 Hz at higher starting frequencies.
Example:
If I create a signal source block with a starting frequency of 1.2 GHz,
and in the block
How can I separate and count the IQ samples stored
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Hi all,
I have been trying to send data between 2 USRP's from the benchmark_tx
file only to observe that I have been receiving this error.
Traceback (most recent call last):
File "./benchmark_tx.py", line 147, in
main()
File "./benchmark_tx.py", line 111, in main
tb =
Ha, ok, so I was mistaken regarding the version 3.7.7 is relatively recent!
Sanity check: the benchmark_tx and all other files in that directory
came with your version GNU Radio, and you did not download them
elsewhere, right?
Have you tried "./benchmark_tx --help", and then specifying things
Hi everyone. With help from Ron Economos, I managed to make ATSC decoding work
using the SDRPlay RSP.
The big issue was that the RSP has a DC bar in the middle of the waterfall.
Canceling it in the SDR program isn't enough; you have to get the latest driver
and use the EXTIO options *in
I don't think there is an official policy. I do see that Tim updated
the recipes pointer a couple of days ago
(https://github.com/gnuradio/pybombs/commit/97fe3b3846dc1e10123fdc1c218ed94fa8dba63c).
.. I suppose I could write a tool to automate bugging people if the
pointer is more than a week
On 09/07/2015 10:33 PM, Douglas Beonkey wrote:
It seems that when I create a signal source block and try and view the
signal on a waterfall plot or FFT plot, I can not increase the signal by
a granularity of 1 Hz at higher starting frequencies.
Example:
If I create a signal source block with a
On Tue, Sep 08, 2015 at 04:33:38AM +0200, Douglas Beonkey wrote:
>
> If I create a signal source block with a starting frequency of 1.2
> GHz, and in the block have a variable slider added to the frequency
> (assume the variable can slide between 0 and 1000), i must move the
> slider 120 or more
Hi Dave,
Don't be sorry :)
However, of you've modified the scripts yourself, there's no way for anyone but
you to find out what goes wrong. Can you save your modifications somewhere
else, and overwrite all potentially modified scripts with their original
version?
Ravi has a very similar case,
Hello everyone,
I'm trying to create a source and sink block which will connect to a database
to fetch and drop data. The interface to the database is created using shared
libraries (.so files) that were defined by someone else, not us. I have
included the header file, which contains all the
Hi Dave,
it's monday, and most of us haven't gotten around answering emails from
the weekend, so please accept my apologies for not having exploding
enthusiasm when I saw your first reminder five hours after you posted
your question ;)
So, first of all: thanks for the bug report! It's always
Hi Dave,
Firstly, please sign up and post to the GNU Radio mailing list via the
official method, not the Ruby forum. GNU Radio has nothing to do with Ruby!
Official GNU Radio mailing list sign-up link:
https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
In regard to your question, make
On 3 September 2015 at 17:04, Murray Thomson
wrote:
>
> On 3 September 2015 at 16:43, Kevin Reid wrote:
>
>> On Sep 3, 2015, at 8:24, Murray Thomson
>> wrote:
>>
>> > Even selecting source and sink from the audio card,
On 09/07/2015 02:19 PM, Henk wrote:
My thoughts Ton,
I just made the FM receiver Marcus advised and as discribed in tutorial 6.
This week I will ask a few questions about the configuration of these
blocks.
Understanding is the key word for me.
Thanks
Henk
It boils down to having an
Can anyone please give an answer for the above error?
Thanks,
Dave
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