QT GUI buttons not updating

r, as they read for me, like it should work as described. Any hints on this would be highly appreciated. :) I've attached a minimal flowgraph below. Best, Martin GUI-Test_min.grc Description: application/gnuradio-grc

Re: Adding C++ Code generation support for c++ implemented blocks

ed to fulfil a working package description from our supervisors, we still discuss, how to incorporate your ideas into the project goals exactly. I will hopefully get some time to keep you updated on this. Best, Martin Am 21.05.23 um 10:00 schrieb Daniel Estévez: Hi Martin and Marcus, Just seen

Re: Resource issues when trying to record 2 FM broadcast

Here is the screen capture of the Marcus Leech version of the two FM demodulate as described here https://wiki.gnuradio.org/index.php?title=Frequency_Xlating_FIR_Filter https://github.com/patchvonbraun/wfm_stuff With a samplerate of 2.4M it uses about 60% of the 4 core I5 I am using for thi

Re: Resource issues when trying to record 2 FM broadcast

Trying screen capture.  This email will contain the zans FM demod version of receiving 2 broadcast radio stations.  based on the project referenced here http://zansprojects.blogspot.com/2019/05/stereo-fm-receiving-with-rtl-sdr-and_23.html https://forums.radioreference.com/threads/multiple-fm-s

Re: Resource issues when trying to record 2 FM broadcast

It looks like the list doesn't handle .jpg.  i tried to post the images of my 2FM project to the list, but no images.  Is there a spot  to drop (image) files that is generally accepted on the list? Marty On 5/17/2023 5:23 PM, Gary Schafer wrote: "I can post the block diagrams if someone is

Adding C++ Code generation support for c++ implemented blocks

Kind regards, Martin

Re: Resource issues when trying to record 2 FM broadcast

After reviewing your email, Marcus, I decided to go back to my original project with the Marcus Leech FM heir.  I saw that ultimately the reason I stopped was that the Osomocom block (from the gunradio 3.7 project) was not sending signal.  I could see this because the FFT graph directly connect

Resource issues when trying to record 2 FM broadcast stations

I  haven't spent a whole lot of time working with gnuradio.  I'm not a DSP engineer.  I am however a software engineer that has dealt with signals so not completely a laymen, but I am out of my comfort zone. I  had successfully created this project about 4 years ago using Marcus Leech's Stereo

Re: Problems with the Frequency Xlating FIR Filter

Can you try running this in a REPL to see what the return value of firdes.lowpass(...) is? --M On Tue, Jan 25, 2022 at 2:03 AM Michelle wrote: > hello, > > I'm using a FIR filter and I have the error : "Param - Taps(taps): > Expression None is invalid for type'complex_vector'." > > my taps is :

Re: Building packages for GnuRadio 3.8 and UHD 4.1.0: Circular dependency?

Hi Katja, I was trying to figure out where that comes from. Maybe this is the key: https://packages.ubuntu.com/jammy/libuhd-dev This page is telling me that libuhd-dev recommends gnuradio-dev (not that it depends on it). Maybe your script is also working on recommended dependencies? Have you trie

Re: [USRP-users] time division duplexing (TDD) with USRP B2xx

Ali, most of the time, these types of applications require the RX to be on permanently (unless you know exactly when you're expecting packets), and the TX only when you're transmitting packets. In GNU Radio, this is simply achieved by using a USRP Sink and Source, respectively. The USRP Source (R

Re: RfnocError: OpTimeout: Control operation timed out waiting for space in command buffer

gericht Wuppertal HRA 22390 > Umsatzsteuer-Identifikationsnummer: DE 814906984 > Komplementärin: RIEDEL Communications International GmbH, Wuppertal > Registergericht: Amtsgericht Wuppertal HRB 17038 > Geschäftsführer: Thomas Riedel, Frank Eischet, Martin Berger > > > >

Re: Error with two versions of GNU Radio: 3.7.13.4 and 3.8.0.0

Isaac, we've sunsetted GNU Radio 3.7, so any issues with that version of GNU Radio will remain where they are, unfortunately. --M On Mon, Nov 29, 2021 at 3:41 PM isaac mario tupac davila < isacct...@gmail.com> wrote: > Hello > > I'm Isaac. I've installed GNU Radio 3.8.0.0, my second version of

Re: How to Change the modulation mode of "constellation decoder" in real time?

Hey, I don't see a conceptual reason why you can't change the equalizer at runtime, but you have to be careful to not get into concurrency issues. You should hold onto a reference to your new equalizer until some condition is met, and then replace d_eq at "the right time", whatever that is (before

Re: Rate matching between host and SDR

Moses, software doesn't run at fixed rates. Instead, you keep track of how many samples you've transmitted. If you're underrunning, then your software design is slower than the hardware clock of your USRP. In your case, you're also not signaling an "end of burst" (also you're copying fcpxIQ instea

Re: Peaks when increasing the FFT lenght ofdm example

Did you repost this accidentally, or is this a new question? On Thu, Jan 6, 2022 at 12:15 PM Pedro Viegas wrote: > Hi everyone, > > I'm having a problem when I increase the number of carriers from 64 to 512 > in the gnuradio OFDM example. When the number of carriers is 512, the > complex envelop

Re: Regarding open source

Gunesh, if you decide that you do want to contribute to GNU Radio (which we would be happy about), make sure that you first go through most of the GNU Radio tutorials, and make sure that you can build and install GNU Radio from source without requiring external help. These are things that you need

Re: Headless Airspy operation on Raspberry Pi

Glen, thanks a lot for sharing this! --M On Mon, Jan 3, 2022 at 7:06 PM Glen Langston wrote: > Hello and Happy New Year to all, > > We’ve just released a version of the Raspberry PI OS that works with > Airspy R2 and Airspy Mini, > as well as SDRPlay RSP1A, PlutoSdr and RTL-SDR. > > It is rath

Re: Does complex conjugate invert IQ ?

Dear Rachida, in order to do that, use the "complex to float" and "float to complex" blocks and connect the re output to the im input and the im output to the re input. Yours Martin On 13.12.21 16:31, Rachida SAROUI wrote: Thank you for responding, but what I meant b

Re: Questions On GNU Radio FFT Data logging

work directly with the binary files from GNURadio's file sink rather than having to use a CSV file. GNURadio itself, python/numpy, Matlab/octave, C++ are all good choices for the analysis (and certainly many more). Yours Martin On 10.12.21 09:59, Zen Chen wrote: Yes933_10_12_20212nd.c

Re: RF signals are pure noise in Python implementation

Verónica, have you maybe mismatched data types? Like, the real signals are fixpoint, but your Python is doing floating point? --M On Thu, Nov 25, 2021 at 2:59 PM Verónica Toro Betancur wrote: > Hi, > > I am trying to detect and decode WiFi and ZigBee signals in GNURadio. For > the detection, I

Re: Is there a Gnu Radio block to compute the power of a signal?

This is good to know. After reading this I was going to ask a similar question about RSSI. I will look further into this as well Get Outlook for Android From: Discuss-gnuradio on behalf of Marcus Müller Sent: Thursday, November 18, 2021

Re: Sending a file through a LimeSDR mini with a loopback cable using PSK modulation

y end I can see that’s obvious. > > > > > On Nov 11, 2021, at 12:38, Paul Martin wrote: > > Evgeny, Paul: > > Thanks so much for replying! I was actually about to give up after all. > > > > I've tried to use the updated flowgraphs from the wiki, but got

Re: Sending a file through a LimeSDR mini with a loopback cable using PSK modulation

thon, send the packed data to GNURadio and >>> LimeSDR_Tx. and on the Rx side, I detect by LimeSDR_Rx, perform all the >>> clock recovery procedure in GNURadio and then send the extracted bits to >>> python via ZeroMQ where I do the unpacking with my code. It's d

Re: Adding custom function in OOT module

they get stuck sometimes). Try deleting the build folder and build your OOT again from scratch. Yours Martin On 10.10.21 23:30, Huang Wei wrote: Hi group, It could be a simple question, but I could not find the solution. I am writing my own OOT C++ module, I want to add a function get_value

Hacktoberfest 2021

Hi all, and yes, whoops, it's already a week into October. But it's not too late to remind folks that this month is Hacktoberfest (https://hacktoberfest.digitalocean.com/)! Hacktoberfest is an event organized by a third party whom we have no relationships with. Nevertheless, it's a fun event, and

Re: Questions on B200 PPS

Marcus is right, "_external_" is a B200- and N2x0-only feature. I also think 8 ms should be fine, but just as an FYI, "our" PPS signals have a 25% duty cycle (so, 250 ms). Since we only register the pos. edge, anything in the ms-range should be working. When you say "occasionally", do you mean wit

Re: 3D plots or image display in GR

Marcin, gr-specest (https://github.com/kit-cel/gr-specest/) has some cyclostationary code, as well as some matplotlib-based plotting thereof. The code was written in the Py2k era and might be out-of-date. But it might be an inspiration! --M On Mon, Sep 13, 2021 at 9:57 PM Marcin Wachowiak < marci

Re: UHD function to determine USB version?

Mike, this is available since UHD 4.0, so maybe that's the issue. You can dump the tree with uhd_usrp_probe --tree, and see what nodes you have. --M On Thu, Sep 9, 2021 at 8:43 PM Mike wrote: > Hi Martin, > > Thanks for your response. I tried the command you provided but r

Re: Using an E310 in place of a B200

UHD 4.0 has a network mode, too, which comes out-of-the-box (it does not require an extra executable). You can use it like a B200, but as Marcus says, with less streaming performance. --M On Tue, Jul 20, 2021 at 10:41 PM Marcus D. Leech wrote: > On 07/20/2021 03:52 PM, Mike wrote: > > Hello, >

Re: UHD function to determine USB version?

(log statements removed) $ uhd_usrp_probe --args type=b200 --int /mboards/0/usb_version 3 --M On Fri, Aug 27, 2021 at 8:51 PM Mike wrote: > Hello, > > I apologize if I missed it in the documentation, but is there a UHD > function that will return the USB version (e.g. USB 2 or USB 3) that the

Re: How to debug GNU Radio's C++ program from source code?

Hi, in case you don't have VS code, you can also run GDB directly https://wiki.gnuradio.org/index.php/TutorialsDebugging#Tutorial:_Using_gdb_with_Pythonic_GR_applications Yours Martin On 03/08/2021 15:48, Josh Morman wrote: Hello! Even though GNU Radio has python bindings with sw

Re: Having problems using forecast method

ut_items[0] and output_items[0] arrays (before you change any of them). With these prints you should be able to follow my description of the scheduler and understand what you need in your code to fix the error. Yours Martin On 06.07.21 14:00, George Edwards wrote: Hi Martin, Thank you very much f

Re: Having problems using forecast method

number of samples back into ninput_items_required[0]. Yours Martin On 05.07.21 22:51, George Edwards wrote: Hello, I played with it and got it to work. I left out the forecast method and forced my will on the scheduler in terms of the input to output sample relationship. However, I am still

Re: Virtual GNU Radio Hackfest

On 29/03/2021 21:38, Martin Braun wrote: It's been about a year since the pandemic started, making this a pretty late thing. Better late than never though: We would like to organize another hackfest, but this time, we want to do it online. > [...] Personally, I would like to str

Virtual GNU Radio Hackfest

It's been about a year since the pandemic started, making this a pretty late thing. Better late than never though: We would like to organize another hackfest, but this time, we want to do it online. We have a main theme for the HF, which is to reduce the number of open issues on the issue trac

Re: USRP N210 Synchronization

USRPs typically operate with a 25% duty cycle PPS (i.e., 250 ms on, 750 ms off). But they will work with pretty much any duty cycle. Check the levels are within limits (I don't have them off the top of my head). I would suggest you connect your PPS/10 MHz generator directly to the USRP, and see if

[Announcement] Even More Shift in Maintainership

han incorporating all the new features. I am very happy about to welcome Josh and Jeff in these roles, and I hope everyone else here will join me in doing so. Please give them all ther respect and help they need to keep pushing our great project forward! Cheers, Martin On 2/18/21 7:13 PM, M

Re: Issue reporting and Pull Request rules?

I think it might help if we rename those labels. Maybe something like "PleasePortThisTo3.9". A less verbose label would also work as long as it conveys the intent. On Sun, Feb 21, 2021 at 2:33 PM Jeff Long wrote: > The backport-3.8 label would mean "this PR is against a non-3.8 branch and > need

Re: Project Call January 2021

Recording available here: https://youtu.be/U2nZDdOZVy0 On 18.02.21 18:08, Martin Braun wrote: > Hi all, > > our project call will be in less than one hour, at UTC 1800 (19:00 CET). > Join us on twitch.tv/gnuradio, or join us on chat! > > --M >

Re: shared_ptr does not name a template type in Cross-compile of GR 3.7 with UHD 3.15 SDK

On 2/18/21 5:26 PM, dtra...@tampabay.rr.com wrote: The build I am using is maint-3.7 from git. I would like to try maint-3.8, but I am told that UHD 3.15 does not work with maint-3.8. UHD 3.15 works with all version of GNU Radio that I know of (say, from the last 3 years or so). It most defini

Project Call January 2021

Hi all, our project call will be in less than one hour, at UTC 1800 (19:00 CET). Join us on twitch.tv/gnuradio, or join us on chat! --M

Re: GSoc-2021

On 2/9/21 8:21 PM, Kabir Kedia wrote: Respected Developers, My name is Kabir Kedia. I'm currently studying at IIT Roorkee in India. I was going through GNU Radio and I found it quite interesting. I would like to start contributing to it. However, I don't know where to start. It would be great

Re: Performing a USRP Packet Loopback

Jada, I haven't read up on all the threads in which you've been asking stuff, so this is lacking a bit of context. I still hope it's helpful: - I don't think you should downgrade UHD. There has been a lot of change in UHD, but not in the B210 driver. - UHD provides some tools, such an ex

Re: Migration from 3.7 to 3.8 OOT - module 'howto' has no attribute 'square_ff'

Criss, a good debugging method is to go into the build dir, where you should find a DLL called _howto_swig.so (or something like that). Try importing that: >>> import _howto_swig It will probably fail, and will likely give you a better clue of what's going on. --M On Sat, Jan 23, 2021 at 12:51

Re: Cross compile gnuradio in E312 error

Hi, you didn't paste an error message. --M On Mon, Jan 25, 2021 at 7:02 AM --- via GNU Radio, the Free & Open-Source Toolkit for Software Radio wrote: > Dear friends: > I'm installing rfnoc on E312, when I cross compile gnu radio, I > execute this command：cmake -Wno-dev > -DCMAKE_TOOLCHAI

Re: Jamming the WiFi channel

academics. This could be an educational exercise. Martin Spears From: Discuss-gnuradio on behalf of Aditya Arun Kumar Sent: Sunday, January 17, 2021 10:27:11 AM To: Doug McGarrett Cc: GNURadio Discussion List Subject: Re: Jamming the WiFi channel On a serious

Re: Block with overlapping window - consume_each() in regard to set_history()

This might be helpful: https://github.com/kit-cel/gr-specest/blob/master/lib/stream_to_vector_overlap_impl.cc Might answer your question on history with a very simple block. --M On Sat, Dec 19, 2020 at 7:18 PM Marcus Müller wrote: > Either that source of yours is incorrect, or you have a buggy

Project Call December 2020

Hi all, as usual, we will do our project call on this third Thursday of the month. You can join us on twitch.tv/gnuradio, via Matrix (https://chat.gnuradio.org), or IRC. The call starts in 4 minutes. Cheers, Martin

Changes to contribution guidelines

pens to also express the opinions of the GNU Radio leadership): https://sfconservancy.org/blog/2014/jun/09/do-not-need-cla/ Maybe this will motivate folks to do some Christmas hacking! Cheers, Martin

Re: RPC Timeout with USRP N321

It looks like the device is not properly initialized. Things to make sure: - You're running UHD 3 on your host. Are you running UHD 3 on your device? - It's not clear if there is a specific issue with get_num_xbars(), or if there's a general RPC problem. Does uhd_usrp_probe work? --M On Fri, Dec

Re: How to print Socket PDU messages on the terminal?

like it is done it the reference you linked). 2. Use the command "nc -u 127.0.0.1 52001" where the -u option will make netcat use UDP instead. Yours Martin On 09.12.20 09:47, Shumin Yao wrote: Hi, I am working on a straightforward project. In the project, there is a Vector Source tra

Re: Passing real data from a thread to the next block

Dear Isaac, you can overwrite the start method of gr::block https://www.gnuradio.org/doc/doxygen/classgr_1_1block.html#a7f58745d1374b30a7b866406dc97850f This function will be called once the processing starts. Yours Martin On 2020-11-18 02:35, isaac mario tupac davila wrote: Hi Marcus

GNU Radio Organization Updates

ntinue to bring success to the project. Cheers, Martin

Re: clang formating

Most IDEs have clang-format support built in and can tell you what's wrong (like a word processor spellchecker). I use vim + ALE, for example. VS Code also has plugins. --M On Wed, Nov 11, 2020 at 11:25 AM Volker Schroer wrote: > Hi, > > I just made a pr and got the message that the pr formatti

Re: Regarding ofdm mod in gnu radio

Check the tx_ofdm.grc and rx_ofdm.grc examples in the gr-digital module. This page will help if you want to access the C++ API: https://www.gnuradio.org/doc/doxygen/group__ofdm__blk.html Also, this: https://wiki.gnuradio.org/index.php/Basic_OFDM_Tutorial --M On Tue, Nov 10, 2020 at 2:53 PM Roza

Re: gr 3.8, uhd4.0 and rfnoc

The Block#0 issue is a known one, the problem is that it doesn't pick up the name until it invokes the DLL/.so from your custom code. It's being worked on. They should work, however, in GNU Radio where the DLL/.so *is* linked in. You do, however, need to create block.yaml files to describe your bl

Re:

What's wrong with the layout? You can probably ignore the GTK warnings. The flowgraph itself is run in QT. --M On Fri, Nov 6, 2020 at 8:07 PM wrote: > Hello, > > I am new to gnu radio. I installed it in Ubuntu 20.04 through PPA ( > http://ppa.launchpad.net/gnuradio/gnuradio-releases/ubuntu). T

Re: Project Call: Live Next Thursday!

Trust me to do timezones? No? Good! Because of course I messed this up, as people have pointed out. As Marcus wrote earlier, the call is 1700 UTC, which means 19:00 CET / 1 PM Eastern / 10 AM Pacific, not what I wrote. --M On Tue, Oct 20, 2020 at 5:38 PM Martin Braun wrote: > Two days f

Project Call: Live Next Thursday!

Two days from now, our next Project call will be live on twitch.tv/gnuradio. The call will be 19:00 CET, but keep in mind, right now, that means 2 PM Eastern / 1 PM Central / 11 AM Pacific! Cheers, Martin

RE: GR-inspector

Sudo apt-get install libqwtplot3d-qt5-dev python3-qwt3d-qt5 Martin Spears Chief Technical Officer Ingenious Countermeasures Technologies Inc. 705-885-1990 mspe...@icmt.ca From: ahmad ALmousa<mailto:ahmadakram1...@hotmail.com> Sent: Monday, October 19, 2020 11:12 AM To: discuss-gnuradio@g

Re: oscilloscope suggestions

/fsr_software_defined_radio_based_scientific_instrumentation/slides/3895/fosdem2020_instrumentation.pdf. Regards, Martin On 12.10.20 13:33, Fabian Schwartau wrote: Hi Daniel, You can probably do that with GNURadio, I mean you can use the basic processing and display blocks in any Python/C++ (and probably others) program. But as

Hacktoberfest 2020

if you don't help with code reviews. It would just be even more helpful. Some links: - Hacktoberfest: https://hacktoberfest.digitalocean.com/ - GNU Radio PR queue: https://github.com/gnuradio/gnuradio/pulls - Need ideas to fix something? Look here: https://github.com/gnuradio/gnuradio/issues Cheers, Martin

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

I would love to join this Martin Spears VE3AGS Sent from my BlackBerry — the most secure mobile device — via the Bell Network From: krist...@skypro.be Sent: September 22, 2020 4:26 PM To: discuss-gnuradio@gnu.org Subject: Re: Thoughts on forming a GNU Radio Amateur Radio monthly meeting group

Re: gr-dsd help needed

...@gnuradio.org Sent: September 22, 2020 7:14 AM To: discuss-gnuradio@gnu.org Subject: Re: gr-dsd help needed Is it possible the output rate of your DSD block isn't actually as high as you think it is? On 21.09.20 20:03, Martin Spears wrote: > I am attempting to use gr-dsd for dmr au

Re: gr-dsd help needed

: discuss-gnuradio@gnu.org Subject: Re: gr-dsd help needed Is it possible the output rate of your DSD block isn't actually as high as you think it is? On 21.09.20 20:03, Martin Spears wrote: > I am attempting to use gr-dsd for dmr audio. Can someone please tell me what > I am doing wrong.

Sending out messages on block shutdown

longer received by the subscribed block. Is there a way to find out that the call to the work function is going to be the last call, or is there another way of learning that the block is being stopped at a time where the subscribed block is still listening for messages? Yours Martin

Gr-dsd and ran codes

Let's start this off. Ubuntu 20.04 GNURadio 3.8.1.0 GR-DSD This is running exactly as it should, all except the ability to decode RAN codes for the NXDN radio network I am listening too. Is there a block available that has the RAN tables in it? Thank you all Martin Spears - VE3AGS Sent

Re: Having trouble with C++ OOT block in restricting output to those input values I wish to pass

that are less than the requested size. I suggest you put a print statement both in forecast and general_work to and then run your code multiple times (also under different loads) to get a better idea of what GNURadio is doing under the hood. Yours Martin On 15.09.20 06:28, George Edwards wrote

Re: Having trouble with C++ OOT block in restricting output to those input values I wish to pass

obvious bug in your code that would output a message exactly twice, so I suppose it copies some data that look like a message on the first glance. Yours Martin On 11.09.20 03:06, George Edwards wrote: Hi Martin, Thanks for your detailed answer. I really appreciate the great effort you put

Re: GNU Radio SDR Project

On 9/10/20 4:03 AM, Elmore's wrote: > I am currently working on a GNU radio project using my Softrock/MOBO > SDR. I have a functioning receiver and transmitter. I now want to > incorporate an interface to the Softrock in the GNU Radio flowgraph. I > have not been able to find any info on how to do

Re: Having trouble with C++ OOT block in restricting output to those input values I wish to pass

perform optimum sync marker detection, which performs better than the intuitive correlation search. Hope that gets you started. Yours Martin On 10.09.20 04:34, George Edwards wrote: Hello, I am writing an OOT block in C++ that receives a sequence of numbers and searches through for a sync patt

Re: How to write Gnuradion OOT C++ method as a stand alone .cc file?

George, all the usual linking and compilation rules of C++ apply. There are plenty of blocks that call other functions from general_work() or work(). If you're compiling a-OK, then you're probably halfway there. Your QA code should tell you what's missing, if it's a missing symbol (i.e. linker err

Re: USRP b200mini initial behavior

Try an LO offset. You might be dealing with the AD9361-based calibrations, they work better if you're not sending DC (if that's what you're doing). On Tue, Aug 18, 2020 at 8:53 AM Ali G. Dezfuli wrote: > Hi all, > In USRP B200mini, when I start off sending, for example, a tone from TX/RX > port

GNU Radio Project Mission Statement -- Looking for Your Thoughts!

s. And maybe we'll create an actual organization, or e.V. of our own where we'll need this anyway. We're interested to hear your thoughts and ideas! Cheers, Martin

Re: gr-modtool does not seem to work in gnuradio 3.8.1 package in ubuntu 20.04

fix the broken ubuntu package, but I don't know how to initiate that. Best regards, Martin On 28-07-2020 16:52, Tom McDermott wrote: >Message: 3 >Date: Tue, 28 Jul 2020 16:07:06 +0200 >From: Martin <mailto:gnuradiom...@olifantasia.com>> >To: discuss-gnurad

Re: gr-modtool does not seem to work in gnuradio 3.8.1 package in ubuntu 20.04

does not yet have this fix, even though it has 3.8.1.0 in its version. With best regards, Martin On 28-07-2020 16:07, Martin wrote: Hi, I am trying to get my out of tree module to build and work on ubuntu 20.04 with the default gnuradio package gnuradio 3.8.1.0-rc1-2build2 When I use

gr-modtool does not seem to work in gnuradio 3.8.1 package in ubuntu 20.04

GNU Radio module name identified: testmod Language: C++ Enter name of block/code (without module name prefix): testsource Block/code identifier: testsource Please specify the copyright holder: Martin Dudok van Heel Enter valid argument list, including default arguments: Adding file 'lib/te

gr-foo , gr-Bluetooth

further information except that of a malformed eth Martin Spears

Project Call June 2020 Today!

Hi all, as usual, it's the third Thursday of the month, and we're doing our project call. Join us on IRC, Matrix, or via the Twitch stream: https://twitch.tv/gnuradio The call starts 10 AM Pacific, 1 PM Eastern, 19:00 CEST. Cheers, Martin

Looking for a maintainer for PyBOMBS

know. Prior experience is highly appreciated -- people who have been submitting PRs and been active on the issue tracker would be preferred. Cheers, Martin

Re: fastest way to interpolate

Frederico I am not certain about this but could it be the USB bus. I know with my Fairwaves XTRX which connects through 2x miniPCI-e the transfer rate is close to 8Gbps, and the SDR can do 120Msps is SISO mode Martin Spears Chief Technical Officer Ingenious Countermeasures Technologies Inc

GNU Radio Project Call May on Now!

(it's the same content). See you in a bit! --Martin and the GR leads team

Re: GNU Radio 3.7 on Ubuntu 20.04

it is going to skrew up my entire system. So GNURadio 3.7 itself is running fine on 20.4, but gnuradio-companion and gr-qtgui seem to be tricky (at least when running KDE). Yours Martin On 14.05.20 17:29, Alex Humberstone wrote: The new Ubuntu 20.04 does not include Python 2 anymore. But GNU

Re: Coding standard: AllowShortFunctionsOnASingleLine?

In case this adds clarification: Before committing, just run clang-format -i on your code. That way, you can write code however you like, and then have a computer fix the formatting for you. Many editors also let you clang-format inside the IDE. Personally, I reformat in vim on demand (I prefer not

Re: [USRP-users] How to set channel B reception with rfnoc USRP E310?

It does; the channel parameter on E310 is used to address the A- or B-side. On Mon, May 4, 2020 at 1:39 PM Rob Kossler wrote: > Does the 2nd argument to set_rx_antenna() indicate which radio port? If > so, try setting it to 1. > Rob > > On Mon, May 4, 2020 at 2:02 PM Ivan Zahartchuk via USRP-us

Switching Chat Services: From Slack to Matrix

the table: We can host it ourselves (meaning, we have control over chat logs and the data), it is an open standard, and thus supports many different clients, including web and mobile, which help support people's different preferences and personal requirements. Again, for more details check out the blog post. Cheers! Martin

Re: Late messages after a tx_time tagged message

Anthony, the USRP doesn't keep the time, but there is only a single FIFO. If you schedule 3 messages for sending, they need to be sent in order. Once they are on the device, they are in a FIFO and will be released in that order. For example, if have 3 messages A, B, and C. You first send A to be

Re: Project Call April On Now!

The recording is available here: https://youtu.be/4xRWRNmR5as On Thu, Apr 16, 2020 at 10:07 AM Martin Braun wrote: > ...well, in a few minutes. > > We'll be streaming again on twitch.tv/gnuradio in few minutes, just > fixing the agenda. Join us in IRC, Slack, or Twitch cha

Project Call April On Now!

...well, in a few minutes. We'll be streaming again on twitch.tv/gnuradio in few minutes, just fixing the agenda. Join us in IRC, Slack, or Twitch chat and let us know immediately if the audio is not working (and continue to let us know until someone has acknowledged it). Cheers, Martin

Project Call March 2020: Cancelled

Hi all, we don't have a lot of agenda items for today's call, so the project call is cancelled today. We're still on IRC and Slack -- come chat with us there if you need GNU Radio Company! Cheers, Martin

Re: MPSK SNR Estimation block shifts input by one

0 input samples (in total, might be over different calls to work) see 10, 14 or 15 unique (as in not counting them twice) symbols? Yours Martin From the example Best regards, Marcus On 24.03.20 10:33, Martin Luelf wrote: Hi everybody, I stumbled over a strange behavior while writing unittests

MPSK SNR Estimation block shifts input by one

resolve around actually wanting to shift samples around. Any help/hint would be greatly appreciated. Yours Martin Example code to reproduce the problem (tested on maint-3.7 branch currently at commit 351a22cc0e2fc05f4ca6ccb08de6ca1e83b62a70): #!/usr/bin/env python2 # -*- coding: utf-8 -*- from

Re: Accurate GPIO Clock

Your hardware might have some hardware timers and programmable interrupts. Otherwise, what Jean-Michel said... Time to bring out the FPGAs! M On Sun, 1 Mar 2020, 05:10 jean-michel.fri...@femto-st.fr, < jean-michel.fri...@femto-st.fr> wrote: > welcome to the field of real time operating systems.

Re: gr-uhd: Switching DSP frequency of *RX* over stream tags in TX (USRP Sink)

Lukas, There's a pull request being discussed right now on GitHub (on my phone, so you'll have to find it yourself) that might do what you need. Please head over there and join the conversation. M On Tue, 3 Mar 2020, 14:38 Lukas Haase, wrote: > Hi, > > I need to (synchronously) switch the DUC

Project Call this Thursday, 10 AM Pacific, 19:00 CET

chat as yet another chat medium, maybe eventually we'll figure out how to sync chats. Bear with us as we catch up with 2020 technology (twitch.tv/gnuradio). Cheers, Martin

Re: Kurtosis estimator

There's also kurtotic_equalizer_cc, if that's what you're looking for. On Mon, Feb 10, 2020 at 2:11 AM Müller, Marcus (CEL) wrote: > Maybe you can abuse the mpsk_snr_est for your purposes? > > On Sun, 2020-02-09 at 22:16 -0500, Marcus D. Leech wrote: > > Has anyone implemented a Kurtosis estimat

Re: make error with gr3.8

everything to 3.8 is becoming my better choice. I want to see if I can combine a lot of the different applications from cgran into one menu driven front end, but with so many variations in dependency compatibility I am having difficulties. I will upgrade to 19.10 and proceed from there Martin

make error with gr3.8

good afternoon following this doc ---> https://docs.google.com/document/d/17gbDc_l32wbNIrXopUWIr1pOpu_Ty8tTeC4t12Ah_XE/edit#heading=h.ocyosag08tha [https://lh6.googleusercontent.com/NpLjzlqjSnbxqXvWzufp6eebVI2b_nl3zh8nLiVVmDudyD_GsQaH2k4xM11qW3GJhoFav7JEew=w1200-h630-p]

Re: FBMC

There's also this: https://github.com/kit-cel/gr-fbmc But please, STOP SHOUTING. Thank you. --M On Sun, Feb 2, 2020 at 7:39 AM Madhan TJ wrote: > CAN WE IMPLEMENT FBMC (filter bank multi carrier ) IN GNU RADIO , > IF YES, > ANYONE PLEASE HELP ME >

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