[Discuss-gnuradio] Basic UHD installation question

e added at the top of the file. The version specified may be lower if you wish to support older CMake versions for this project. For more information run "cmake --help-policy CMP". This warning is for project developers. Use -Wno-dev to suppress it. -- Configuring incomp

Re: [Discuss-gnuradio] Basic UHD installation question

GNU Radio, running cmake to find libuhd. This will enable gr-uhd. There are build instructions in the manual that might help: http://gnuradio.org/doc/doxygen/page_build.html -- Regards, Phil ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu

[Discuss-gnuradio] Components needed for Ezcap EzTV dongle

, Phil ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio

Re: [Discuss-gnuradio] Components needed for Ezcap EzTV dongle

a fork off Mandriva. -- Regards, Phil ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio

Re: [Discuss-gnuradio] Components needed for Ezcap EzTV dongle

* gnuradio-companion -- * gr-comedi -- * gr-shd -- * gr-utils -- * gr-wxgui -- -- Using install prefix: /usr/local -- Building for version: 3.6.0 / 3.6.0 -- Configuring done -- Generating done -- Build files have been written to: /usr/local/src/gnuradio-3.6.0/build -- Regards, Phil ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio

Re: [Discuss-gnuradio] Components needed for Ezcap EzTV dongle

On 14/05/12 16:05, Alexandru Csete wrote: On Mon, May 14, 2012 at 5:43 AM, Phil wrote: On 14/05/12 13:16, Andrew Davis wrote: There is a build-gnuradio script which is known to work on other RPM-based systems so maybe you can use that? It should handle all the dependencies for a full

[Discuss-gnuradio] gr-osmosdr compile problems

ource_c.cc:405:50: error: ‘rtlsdr_get_tuner_gains’ was not declared in this scope make[2]: *** [lib/CMakeFiles/gnuradio-osmosdr.dir/rtl/rtl_source_c.cc.o] Error 1 make[1]: *** [lib/CMakeFiles/gnuradio-osmosdr.dir/all] Error 2 make: *** [all] Error 2 Can someone tell what I'm missing? -

[Discuss-gnuradio] How to play captured signal file

ed file? I haven't compiled gnuradio yet because I want to include gr-osmosdr. -- Regards, Phil ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio

Re: [Discuss-gnuradio] How to play captured signal file

On 03/06/12 21:20, Alexandru Csete wrote: Phil, I think you misunderstand. You must have GNU Radio installed prior to compiling gr-osmosdr as gr-osmosdr uses the GNU Radio API. Thank you Alex, I'm finding Gnuradio, and the way that it operates, a difficult subject to grasp. -- Re

Re: [Discuss-gnuradio] gr-osmosdr compile problems

y file(s) known to git. error: pathspec 'git:/git.osmocom.org/gr-osmosdr' did not match any file(s) known to git. -- Regards, Phil ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio

[Discuss-gnuradio] Gnuradio compile errors

-core/src/lib/CMakeFiles/gnuradio-core.dir/all] Error 2 make: *** [all] Error 2 -- Regards, Phil ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio

Re: [Discuss-gnuradio] Gnuradio compile errors

? Linux Josh. -- Regards, Phil ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio

Re: [Discuss-gnuradio] Gnuradio compile errors

On 04/06/12 12:49, Marcus D. Leech wrote: Phil, I'm pretty sure that Josh was asking about which particular flavour of the dozen or so popular Linux distributions you're using. It matters. Different distributions use different file-system layouts, store header files in

Re: [Discuss-gnuradio] gr-osmosdr compile problems

uradio compiles with errors. -- Regards, Phil ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio

Re: [Discuss-gnuradio] Gnuradio compile errors

On 04/06/12 16:48, Josh Blum wrote: On 06/03/2012 05:14 PM, Phil wrote: /usr/local/src/gnuradio-3.6.0/gnuradio-core/src/lib/io/gr_udp_sink.cc: In constructor ‘gr_udp_sink::gr_udp_sink(size_t, const char*, short unsigned int, int, bool)’: /usr/local/src/gnuradio-3.6.0/gnuradio-core/src/lib/io

Re: [Discuss-gnuradio] Gnuradio compile errors

stall prefix: /usr/local -- Building for version: 3.6.0 / 3.6.0 -- Configuring done -- Generating done -- Build files have been written to: /usr/local/src/gnuradio-3.6.0/build [r -- Regards, Phil ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org

[Discuss-gnuradio] Basic python question

rom rtlsdr import * Traceback (most recent call last): File "", line 1, in ImportError: No module named rtlsdr -- Regards, Phil ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio

[Discuss-gnuradio] Multimode.py and osmsdr module

et multimode.py going and again I've run up against a missing module. This time it's osmosdr and again I have osmosdr installed but not the module osmssdr.py. So my question is, how do I create the module osmosdr so that I can continue my way through multimo

Re: [Discuss-gnuradio] Multimode.py and osmsdr module

On 07/06/12 19:13, Alexandru Csete wrote: On Thu, Jun 7, 2012 at 10:46 AM, Phil wrote: Another question I'm afraid, I've resolved, I think, my previous question about the module path. The module rtlsdr does not exist on my system even though I have the rtlsdr library installed. So,

Re: [Discuss-gnuradio] Multimode.py and osmsdr module

uffix now makes sense. I'll have another play and see how I go. All I'm looking for at the moment is a simple wideband FM receiver that will work with my ezcap USB dongle. -- Regards, Phil ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.

[Discuss-gnuradio] Simple FM receiver GRC error

o GNU Radio Companion 3.5.3.2 >>> Loading: "/home/phil/bin/simple_fm_helper.py" Error: Start tag expected, '<' not found, line 1, column 1 >>> Failure Showing: "" In case I've missed something important, this is what I did. I opened "simple_fm_

Re: [Discuss-gnuradio] Simple FM receiver GRC error

On 08/06/12 13:04, ki6njf wrote: Phil, I just got simple_fm_rcv working today. I had to: open up a terminal cd to my radio flowdiagram directory - /home/jim/gnu_radio svn co https://www.cgran.org/svn/projects/simple_fm_rcv cd to the directory - in my case - /home/jim/gnu_radio

Re: [Discuss-gnuradio] Simple FM receiver GRC error

On 08/06/12 15:14, ki6njf wrote: On Friday, June 08, 2012 02:43:56 PM Phil wrote: > On 08/06/12 13:04, ki6njf wrote: [snip] > > run the export PYTHONPATH=$PYTHONPATH:/home/jim/bin > > Thanks Marcus and Jim for the detailed instructions, however I still > canno

[Discuss-gnuradio] Simple FM receiver - one last question

Thank you for reading this. I have one last error to overcome: Error 0: Block - gr_freq_xlating_fir_filter_xxx_0 - Frequency Xlating FIR Filter(gr_freq_xlating_fir_filter_xxx): Sink - in(0): Port is not connected. Can anyone offer a suggestion that will sort this out? -- Regards, Phil

[Discuss-gnuradio] gr-osmosdr module disabled

* Osmocom RTLSDR -- * RTLSDR TCP Client -- * Ettus UHD -- -- ## -- # gr-osmosdr disabled components -- ## -- * sysmocom OsmoSDR -- -- Regards, Phil _

Re: [Discuss-gnuradio] gr-osmosdr module disabled

On 16/06/12 17:49, Alex DEKKER wrote: On 16/06/12 05:40, Phil wrote: Does the following look correct? Also, there is no mention under "sources" of osmocom in gnuradio_companion. I'm trying to use my Ezcap dongle with Gnuradio. -- checking for module 'libosmosdr' --

[Discuss-gnuradio] RuntimeError: Failed to open rtlsdr device

dr/osmosdr_swig.py", line 431, in source_c return _osmosdr_swig.source_c(args) RuntimeError: Failed to open rtlsdr device. -- Regards, Phil ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio

Re: [Discuss-gnuradio] RuntimeError: Failed to open rtlsdr device

x27;t find librtlsdr.so.0 error. The library is in /usr/local/lib. How might I set the usb permission? [phil@localhost src (master)]$ rtl_test -t Found 1 device(s): 0: ezcap USB 2.0 DVB-T/DAB/FM dongle Using device 0: ezcap USB 2.0 DVB-T/DAB/FM dongle usb_open error -3 Failed to open rtlsdr

Re: [Discuss-gnuradio] RuntimeError: Failed to open rtlsdr device - some success

On 16/06/12 20:31, Phil wrote: OK I now have simple_FM_rcv running as root! So all I need now is to set the permission of the dongle. How might I do that? -- Regards, Phil ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https

Re: [Discuss-gnuradio] RuntimeError: Failed to open rtlsdr device - some success

On 16/06/12 21:14, Alex DEKKER wrote: On 16/06/12 11:56, Phil wrote: OK I now have simple_FM_rcv running as root! So all I need now is to set the permission of the dongle. How might I do that? I have an FCD and an RTL dongle. I got the FCD first, for which I created a udev rule. I

Re: [Discuss-gnuradio] RuntimeError: Failed to open rtlsdr device - some success

On 17/06/12 01:23, Marcus D. Leech wrote: On 16/06/12 07:14 AM, Alex DEKKER wrote: On 16/06/12 11:56, Phil wrote: OK I now have simple_FM_rcv running as root! So all I need now is to set the permission of the dongle. How might I do that? I have an FCD and an RTL dongle. I got the FCD first

Re: [Discuss-gnuradio] RuntimeError: Failed to open rtlsdr device - some success

On 17/06/12 19:20, Alex DEKKER wrote: On 17/06/12 02:38, Phil wrote: By "reload udev" do you mean restart udevd? To be precise, reloading a service [usually] results in it re-reading its config without restarting it. Restarting it, stops it and starts it. Restarting udev will a

[Discuss-gnuradio] up converter circuit

Hello, I wonder if someone might be able to provide me with a link to an up converter circuit? I want to extend the range (downwards) of my ezcap dongle. A Google search hasn't provided anything useful. -- Regards, Phil ___ Discuss-gnu

Re: [Discuss-gnuradio] up converter circuit

On 22/06/12 21:01, Alex Dekker wrote: On Friday 22 Jun 2012 11:47:13 Phil wrote: > A Google search hasn't provided anything useful. Add 'funcube' to your search query. Thanks yet again Alex. I found several articles.

[Discuss-gnuradio] Ezcap DVB dongle and HF converter

combination? By the way, I'm using the multimode SDR. -- Regards, Phil ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio

[Discuss-gnuradio] Basic Gqrx build question

ering directory `/home/phil/Download/qrx/gqrx-build-desktop-Qt_in_PATH_Release' /usr/bin/qmake -spec /usr/lib/qt4/mkspecs/linux-g++ -o Makefile ../csete-gqrx-a613fed/gqrx.pro fatal: Not a git repository (or any parent up to mount parent ) Stopping at filesystem boundary (GIT_DISCOVERY_ACROS

[Discuss-gnuradio] Quadrature rate question

A Google search didn't turn up anything that I could plug into my receiver. -- Regards, Phil <>___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio

[Discuss-gnuradio] Synchronization in FreeDV (PSK FDM)

I'm trying to demodulate FreeDV as a learning exercise. Without much experience in DSP I'm afraid I'm lost in the source code :( The modulation consists of 15 subcarriers each with a symbol rate of 50 per second, spaced 75 Hz apart. The center subcarrier is BPSK and alternates phase every symbol (

[Discuss-gnuradio] Audio latency keeps increasing

I'm prototyping some software which uses a PulseAudio sink/source pair which I wrote[1]. Even doing something as simple as having the audio source go into a GUI sink and the audio sink, I'm having an issue where as the program runs longer, the latency gets higher. Running for a day the latency will

[Discuss-gnuradio] Clock recovery for BPSK with intentional ISI

I am working on a receiver for the amateur radio mode PSK31[1]. It's BPSK where the pulses are a raised cosine (impulse, not frequency domain) twice the symbol duration[2], no error correction, at 31.25 baud. The transmitted signal has no ISI, but after matched filtering it does: [image: 0SDEq.png

Re: [Discuss-gnuradio] Clock recovery for BPSK with intentional ISI

erbi decoding for symbols > will be difficult, so this may be worth trying. > best > Federico > > 2017-06-15 9:57 GMT-03:00 Phil Frost : > >> I am working on a receiver for the amateur radio mode PSK31[1]. It's BPSK >> where the pulses are a raised cosine (impulse

[Discuss-gnuradio] AGC for PAM

I'm working on a BPSK demodulator, which I guess is a kind of PAM. The signal has some inherent ISI so I'm using Viterbi to decode it. It's working well in idealized conditions, but I'm a bit lost on how to get the amplitude right. It seems important that the amplitude is consistent (modulo noise)

Re: [Discuss-gnuradio] FM Modulation problem/question

On Mon, Jun 26, 2017 at 1:50 PM Brashendeavours wrote: > Thank you, Kevin. That is reassuring. > > My next question then, is since the deviation is affected by both > amplitude and frequency, how would you recommend I empirically > determine/set a peak deviation of 2400Hz for 1200Hz baseband? > I

Re: [Discuss-gnuradio] Good SNR despite rotating constellation

On Tue, Jul 4, 2017 at 6:30 AM Rafik ZITOUNI wrote: > Could you give me an explanation how it was possible to obtain a good snr > and ber with a wrong constellation with good SNR and BER? > for BPSK the value of the bit is determined only by examining the sign of the real part. There will be er

Re: [Discuss-gnuradio] [Freetel-codec2] Why the DMR 4FSK modem is less optimal than David Rowe's 4FSK modem

Wouldn't the ISI largely (theoretically, completely) be ameliorated by trellis decoding? And I'm not talking about FEC, but rather incorporating the ISI into the expected Cartesian coordinates for each symbol. I did some experimentation with this technique on BPSK31, and I was able to get a little

Re: [Discuss-gnuradio] Moving average

from __future__ import division ...in the script at the top or as a GRC block will also do the trick. On Tue, Jan 22, 2019, 17:42 Cinaed Simson On 1/22/19 4:59 AM, david vanhorn wrote: > > Nope. > > > > 1/Averaging evaluates to zero. > > 1/Averaging. (trailing period) does not evaluate, either i

[Discuss-gnuradio] passing a block output as parameter to another block

Is there a way so that one can pass the output of a custom gnuradio block as parameter to another block? Thanks, J.___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio

Re: [Discuss-gnuradio] Voice over IP using GNu Radio.

On 03/03/2013 06:18 AM, Sajjad Safdar wrote: Is there any way of transmitting voice over ip using GNu Radio Companion. To the extent that you can define what networking, modulation, and VoIP protocols you intend to use, yes. ___ Discuss-gnuradio ma

Re: [Discuss-gnuradio] Announcing new scheduler for GNU Radio

On 04/17/2013 09:45 AM, Philip Balister wrote: On 04/17/2013 04:26 AM, Josh Blum wrote: Behind all of the GRAS fluff, the Theron C++ concurrency library is the real scheduler. > I dislike projects that force you to enter an email address to download the source and do not provide access to the

[Discuss-gnuradio] Adjusting IQ balance for audio sources

I'm wondering what block GnuRadio offers to adjust IQ balance to maximize image rejection from an audio source. Is there a block available, or a description of a (perhaps manual) algorithm I can implement with existing blocks? ___ Discuss-gnuradio mailin

Re: [Discuss-gnuradio] new to GNUradio: AFSK and codec2 gmsk modem

On 07/30/2013 08:51 PM, Gregory Warnes wrote: > How about enclosing the bit-for-bit tests in > #ifdef IEEE754_Compliant > ... > #endif Merely knowing that a platform conforms to IEEE 754 is not sufficient to guarantee bit-for-bit compatibility. The order of operations also matters, and compliers

RE: [Discuss-gnuradio] USRP2 in VirtualBox

I have successfully run in this configuration, although virtualization overhead had a significant performance impact. Make sure that you have the virtual machine's network card in bridge mode, not NAT. -Original Message- From: discuss-gnuradio-bounces+prutschman=intven@gnu.org [mailto:

[Discuss-gnuradio] Using both I and Q on LFRX

7;m only seeing zeros. Is this expected? -Phil Rutschman ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio

[Discuss-gnuradio] SDR Radio Telescope Receiver

end it over USB quickly enough. If anyone has links to resources where this kind of thing has been done that would be awesome. I'm very new to SDR development so any input would be greatly appreciated. Thanks! Phil ___ Discuss-gnuradio mailing l

[Discuss-gnuradio] Downconversion on an AD Blackfin

GA or (preferably) a DSP to do the downconversion and decimation. While I know it can be done in an FPGA, I was wondering if anyone has any experience doing this in a DSP? Specifically i'm looking at the Blackfin lineup from Analog Devices. Thanks, -Phil _

Update QT GUI Label from Embedded Python Block

Hi! How do I do when I need to update 'QT GUI Label' block from inside of 'Embedded Python Block'. I like to take a calculated value from _work and update a GUI label on screen with the result. Any Example I'm running gnuradio.3-10 master. /Thanks Phil

Re: Update QT GUI Label from Embedded Python Block

usly even if no data has changed. Do you have any suggestion of blocks that I should use for detecting the FFT peak frequency? /Thanks Phil > Hi Phil, > > can't do that! The label can only be changed by calling setters in Python that > are not in > the namespace you (directly)

Re: Re: Update QT GUI Label from Embedded Python Block

I sort of got this peak detecting working. Expect one problem which I will address in a separate thread > Sent: Thursday, July 08, 2021 at 2:44 PM > From: "Phil Wiggum" > To: discuss-gnuradio@gnu.org > Subject: Re: Update QT GUI Label from Embedded Python Block > >

Can I shift center frequency twice with Xlating FIR

ncy Xlating FIR Filter' () -> 'Log Power FFT' -> Python (Peak detektor) What kind on taps do I need if this is possible? /Phil

Re: Re: Can I shift center frequency twice with Xlating FIR

Hi Fabian! Yes I Xlating and filter the Bw to 100K and then decimating to SampRate 100k to be get a morefine details in the GUI Frequency. I tested with a second Xlating in parallel and it worked perfect. PS. Is there any mirroring of this list with a WEB gui? /Thanks Phil > Hi Phil, >

Re: taps for a Raised Cosine function

A raised cosine is also known as a Hann window. https://www.gnuradio.org/doc/doxygen/classgr_1_1fft_1_1window.html#a599d7e9625d6cc77203a8b877c4911e2a0099ec5d7a2ab5d7a7f3fd7f7835c72a Example usage: https://github.com/bitglue/gr-radioteletype/blob/3a00e28a2c83b45e9252da41802dcbe30decc49a/python/rad

Compensating for sample delay in one audio source channel

I have an audio interface (behringer UCA222) which, for whatever reason, has a 1 sample delay in one of the input channels. Consequently, the two input channels have unequal phase across the entire bandwidth. I'd like to compensate for that. I measured the delay with this flow graph: [image: imag

Re: Reliable "virtual RF channel" between two grc applications (UDP Source/Sink?)

On Wed, Apr 22, 2020 at 10:48 AM Lukas Haase wrote: > > Has anyone done something like this before and has a recommendation for a > reliable setup? > Is UDP Source/Sink over localhost even the best way to go? > If you just want to connect two local processes, you could try using mkfifo

[Discuss-gnuradio] problem make(ing) GPS-SDR

Hello! I have a problem building GPS-SDR with the latest GNU Radio Source. I used ... Ubuntu 8.04.1 with kernel 2.6.24-19-generic GNU Radio 3.3svn GPS-SDR latest with git, downloaded on 12.8.2009 (I don't know how to get the version) I added "GNURADIO=/home/user/gnuradio" to the Makefile in /gps