Re: [Discuss-gnuradio] How to properly add a pybombs packager

All, Thanks for the help, I think I found my problem. For searching installed packages, zypper is quite slow. I have an alternative using the rpm command but the arguments were wrong, causing the version parsing to fail. That's been fixed and it seems that packages are now properly installed

Re: [Discuss-gnuradio] installing a python package without elevated privileges

This is a problem I have faced as well. I have a number of projects at various levels of modification of GR and various 3rd party python packages being supported. I find having virtualenvs to be very useful in keeping python package versions, GR mods, and my own modules in agreement. I've been

Re: [Discuss-gnuradio] installing a python package without elevated privileges

systems. > > Also, I should acknowledge that both Jared and Marcus have contributed > to PyBOMBS, so this is not just an empty discussion here :) > > Cheers, > Martin > > On 03/27/2017 08:14 PM, U L wrote: > > This is a problem I have faced as well. I have a number o

Re: [Discuss-gnuradio] log4cpp library not found

On opensuse tumbleweed I needed to install the log4cpp-devel package. The FindLog4cpp.cmake file looks for Category.hh and liblog4cpp.so. The log4cpp-devel has the files /usr/include/log4cpp/Category.hh /usr/lib64/liblog4cpp.so /usr/lib64/pkgconfig/log4cpp.pc Unfortunately it appears that the

Re: [Discuss-gnuradio] USRP tx_time tags and late packets

I'm surprised no one responded to this. My group has had some experience with this. We found latency can be extremely large for packetized transmits, especially if the packets are small. Without modification, there is a minimum buffer size GNURadio sets regardless of the buffer size settings in

Re: [Discuss-gnuradio] Gnu radio and IDEs

I would recommend any IDE supported by cmake, as it is nice to have cmake build the appropriate project files for the IDE. I've personally used codeblocks which I find acceptable. I guess if the IDE has a sufficient project import feature this might not be as important. On my system $ cmake

Re: [Discuss-gnuradio] Getting signal from a LEO Satellite? ( Doppler shift handling)

If you have a tracking dish, you might want to look at the FLL (freq lock loop) band edge block. There was a talk on it during GRCON17 https://drive.google.com/file/d/0B-CV_07uSBIuQUVlNDFUX1BqZk0/view If you have a symmetric signal spectrum w/ a generally flat channel (which tends to be satcom

Re: [Discuss-gnuradio] spectrum monitoring / very wide band scanning

At my former employer we were using the HackRF in sweep mode to do I think 100 MHz to 6 GHz sweeps at 1 Hz (i.e. almost 6 GHz scanned each second). For contiguous sweeps I think it used a non-configurable 7.5 MHz (RF tuned) step or something like that, but gave you much better frequency resolution

[Discuss-gnuradio] Docker install recommendation

I'm planning on installing the next branch (py3) for testing and potential development. I'd like to do so in a docker container to isolate dependencies. There seems to be a number of starting points including gnuradio-docker and pybombs-docker in the gnuradio repo. There's also a bunch of

Re: [Discuss-gnuradio] [GREP] Remove log4cpp

I think many users, myself included, use logs for debugging. I would hesitate to have the log messages propagate through the very system that you are trying to debug with said messages. I would rather the logs be emitted from the system under test as simply and promptly as possible. I think

Re: [Discuss-gnuradio] Need help with gr-eventstream

Team Platypus ran into this precise problem at the DARPA Hackfest. The only solution was to code it up ourselves. It's non-trivial, but not too much code. Jared. On Thu, May 23, 2019 at 1:48 PM Chesir, Aaron M. wrote: > Folks, > > > > I am using the gr-eventstream package in GNUradio, and I

Re: gr-tempest: an implementation of TempestSDR for GNU Radio

of these. >>> >>> Easier, and less error-prone, definitely, is just using a Linux >>> container. (You could run debian buster in a podman- or docker-run >>> container, for example. Debian buster comes with 3.8.1.0 out of the >>> box.). >>> For non-

Re: gnuradio-default with pybombs on opensuse

Rick, Most gr-recipes are not updated with openSUSE package names. For this package it's *python3-pyaml* (single y). If you modify the pyyaml.lwr recipe in gr-recipes to read: rpm: python3-pyyaml || python3-pyaml I would expect it to work. Caveat: untested. Jared. On Thu, Oct 8, 2020 at 2:56

Re: gnuradio-default with pybombs on opensuse

es rpm: libboost_headers1_66_0-devel to accommodate > opensuse leap 15.1 > > So far, so good. I can definitely see using PyBOMBS from now on. > > > Rick > > > On 2020-10-08 9:00 p.m., U L wrote: > > Rick, > > Most gr-recipes are not updated with openSUSE package

Re: Thoughts on forming a GNU Radio Amateur Radio monthly meeting group

GR HAM, Apparently late to this thread, but I would also be interested in a monthly. Jared (KM6MRG). On Mon, Sep 28, 2020 at 11:07 AM Kristoff wrote: > Hi Markus, Edmar, Barry, all, > > > Sorry for the late reply (you know .. weekend), > > > Yes, I think it will be interesting do have a small

Re: CCSDS BER PLOT

ated: > name 'numpy' is not defined > how can i rectify this? > is there any already done grc files for evaluating ccsds > > On Sat, Aug 19, 2023 at 9:55 PM U L wrote: > >> I'd try this: >> 1. Change the random source to a vector source with vector [ 0xFF, 0xFF, >&g

Re: puncturing pattern used

Tue, Aug 22, 2023, 7:15 PM Jiya Johnson > wrote: > >> Ok, I will check. >> I was confused with this stack input ( >> https://stackoverflow.com/questions/54946638/punctured-convolutional-codes-in-gnu-radio >> ) >> I will try with 1011 and delay blocks and wi

Re: CCSDS BER PLOT

t 8:23 AM Jiya Johnson > wrote: > >> I will try and let you know >> >> On Sat, Aug 19, 2023, 8:08 AM U L wrote: >> >>> Probably easier to use a vector source rather than text file. Vector >>> source lets you specify the bytes exactly. So you could put

Re: CCSDS BER PLOT

the correct way. > > On Sat, Aug 19, 2023, 7:58 AM U L wrote: > >> I don't understand what this means. How do you interpret it? >> Jared. >> >> >> On Fri, Aug 18, 2023 at 8:25 PM Jiya Johnson >> wrote: >> >>> >>> On Sat, Aug

Re: CCSDS BER PLOT

m getting a -0.300 range of BER > constantly from 0 to 15 dB range of SNR values.No variations are happening. > > How can I check the functionality of the block(encoder and decoder to > check whether it's encoding and decoding properly)with a sample input. > > On Sun, Aug 13, 2023, 8:11

Re: CCSDS BER PLOT

lso >> >> On Sat, Aug 19, 2023, 7:52 AM U L wrote: >> >>> Some ideas: >>> >>> 1. Remove the noise completely. Also use a fixed, repeating input vector >>> rather than random bytes. Look at the actual error patterns between the >>> input

Re: CCSDS BER PLOT

only BER and not even >> saturating in FEC extended CC case(as per CCSDS Standard book it is >> dropping to 0 by 5dB) >> >> On Sat, Aug 19, 2023 at 8:54 AM U L wrote: >> >>> Hmm, this has gotten more complicated since your original post. Why? >>> >>>

Re: GNU Radio Companion N310 GPIO Sink/Source block

Joshua, I have not personally used the N3XX devices, but I did recently successfully manipulate the GPIO on a N210 w/ LFXX daughtercards. The relevant UHD manual section for you I think is https://files.ettus.com/manual/page_usrp_n3xx.html#n3xx_fpgio (but also see the X310 section at

Re: GNU Radio Companion N310 GPIO Sink/Source block

Joshua, Generally Fabien is right. To exercise the full feature set of the GPIO you would likely need an OOT block. However, if only limited performance and features are needed then you might get away with using the Python embedded block or Python snippet in GRC to implement something quick and

Re: Constellation Modulator delay calculation

Ali, I think the example uses the generic_mod block inside. This block uses the polyphase arb resampler for antialiasing. The line that computes the rrc delay is here

Re: Changing a QT GUI Range variable from a custom block

It's been awhile since I've used gr so ymmv. You could do something like the function probe block where you pass a block Id and function name (say, the callback setter function) to your custom block and call it when you want. Jared. On Sun, Apr 16, 2023, 6:53 AM DİREN ERDEM AYDIN wrote: >

Re: One Tagged Input Stream to Unequal Output Streams

Alon, Considering your sample ranges are contiguous you might be able to get away with using the stream to streams block or stream demux block. Take a look if one of those might suffice. Jared. On Tue, May 30, 2023, 2:28 PM Alon Simon Levin wrote: > Hi all, > > I have a tagged stream block