Re: Distributing a gnuradio-flow diagram across multiple cpu's

2020-10-14 Thread Nate Temple
As Marcus mentioned, this flowgraph should not really consume that much CPU. The hackrf does not have a FPGA, although possible with other SDRs, this should really be fine to run on a CPU. One approach I've used in the past with higher bandwidth applications (50MS/s) was to precompute as much as

Re: Help with cubesats

2020-02-16 Thread Nate Temple
in Parameter blocks to dynamically change the filename of the file sink, and switch your flowgraph from QT to "No GUI", and it can be ran from the command line. Regards, Nate Temple On Sun, Feb 16, 2020 at 12:02 PM Andrew Stamp wrote: > Hi Nate, > > Thank you for your reply. I w

Re: Help with cubesats

2020-02-15 Thread Nate Temple
Hi Andy, You'll probably want to use gr-satellites instead of direwolf. https://github.com/daniestevez/gr-satellites You can record a pass using GNU Radio using a File Sink. Regards, Nate Temple On Sat, Feb 15, 2020 at 6:01 PM Andrew Stamp wrote: > Hi, > > I’m looking for a

Re: Link not found for USRP FPGA manual

2020-02-05 Thread Nate Temple
the latest stable version of UHD (3.15.0.0) here: https://files.ettus.com/manual_archive/v3.15.0.0/html/ Regards, Nate Temple On Wed, Feb 5, 2020 at 11:19 AM Laura Arjona wrote: > Hi community, > > I want to learn about programming the USRP2 FPGA. > > The link about the FPGA manu

Re: GNU Radio ABI guarantees

2020-01-20 Thread Nate Temple
another one without rebuilding your binary (that's a feature that I think software distributors will be most happy about)" https://lists.gnu.org/archive/html/discuss-gnuradio/2018-02/msg00133.html Regards, Nate Temple On Mon, Jan 20, 2020 at 3:02 PM Thomas Habets wrote: > What a

Re: Library for matrix operations? (eigenvalues, pseudoinverse)

2020-01-16 Thread Nate Temple
Hi Laura, Armadillo is a common c++ lib for linear algebra. gr-doa makes use of it. http://arma.sourceforge.net/ https://github.com/ettusresearch/gr-doa Regards, Nate Temple On Thu, Jan 16, 2020 at 1:01 PM Laura Arjona wrote: > Hi all, > > Is there any library to use in gnuradio fo

Re: FT8 with GNU radio and the PlutoSDR on the 2 meters band

2020-01-13 Thread Nate Temple
ary with conventional SSB modulators. " I'm not sure if this will help at all with FT8, but might be worth exploring. Regards, Nate Temple On Mon, Jan 13, 2020 at 9:59 AM Adrian Musceac wrote: > Hi Marcus, > > I'm not a hardware guy, but I think it's a circuit t

Re: [3.8] Best OOT-Modules?

2019-12-31 Thread Nate Temple
. Regards, Nate Temple On Tue, Dec 31, 2019 at 10:43 AM Kyle A Logue wrote: > Since the pythonclock.org is ticking away the last seconds of python2 > today I decided to refresh my 3.8 installation. > > After my `pybombs install gnuradio` version of 3.8 I have: > >- gr-fo

Re: QT block to plot datapoints as they come in and keep history

2019-12-18 Thread Nate Temple
Hi Luke, Checkout the gr-radar OOT, it has a few QT GUI plots that may work for this, or at least it will give an example to start with, if you choose to make your own plot widget. Regards, Nate Temple On Wed, Dec 18, 2019 at 1:31 PM Lukas Haase wrote: > Hello, > > I have a bl

Re: Swig issue with floats versus doubles

2019-12-08 Thread Nate Temple
* The first occurrence is at 16777216+1 or 2^24 On Sun, Dec 8, 2019 at 3:26 PM Nate Temple wrote: > I ended up making a test script to shed some more light on where this > starts at. > > The first occurrence is at 16777217 > > Checkpoint: 1600.00 > f: 16777217 D:

Re: Swig issue with floats versus doubles

2019-12-08 Thread Nate Temple
I ended up making a test script to shed some more light on where this starts at. The first occurrence is at 16777217 Checkpoint: 1600.00 f: 16777217 D: 16777217 F: 16777216 Diff: 1 f: 16777219 D: 16777219 F: 16777220 Diff: -1 f: 16777221 D: 16777221 F: 16777220 Diff: 1 f: 16777223 D: 1677

Re: Going from GUI to non-GUI operation.

2019-11-14 Thread Nate Temple
Hi Glen, One other possible approach could be to separate your processing flowgraph from the display/GUI flowgraph. This could be done with a combo of ZMQ blocks, the Parameter block and XMLRPC blocks. Depending on your data rates, this might not work so great and is a bit wasteful of CPU cycles.

Re: [Discuss-gnuradio] Cross-compiling UHD for E310

2019-10-15 Thread Nate Temple
tall python-six as described in the app note). We will be releasing a new FS/SDK for the E310 with the upcoming UHD 3.15 release. Regards, Nate Temple On Tue, Oct 15, 2019 at 12:15 PM Ivan Iudice wrote: > I forgot to say... Following the application note you recommended, I > obtain the

Re: [Discuss-gnuradio] E320 Network Mode TX on both channels

2019-10-15 Thread Nate Temple
Hi David, This sounds like it might be a bug with the E320. Can you email us at supp...@ettus.com and we can debug the issue through that channel? Regards, Nate Temple On Tue, Oct 15, 2019 at 12:37 PM David Stockton (CTR) < stocktond@spacepros.org> wrote: > have gnuradio companion

Re: [Discuss-gnuradio] Request for Wiki update.

2019-10-15 Thread Nate Temple
gards, Nate Temple On Tue, Oct 15, 2019 at 12:08 PM Barry Duggan wrote: > Hi Hans, Marcus, and others, > > I totally agree with Hans: "Because I never succeed with pyBOMBS and the > distro packages are outdated." I have tried using PyBOMBS on my Mac and > on my Raspberry

Re: [Discuss-gnuradio] Cross-compiling UHD for E310

2019-10-14 Thread Nate Temple
ou can use most of the instructions, but skip the cmake arg -DENABLE_RFNOC=ON https://kb.ettus.com/Software_Development_on_the_E3xx_USRP_-_Building_RFNoC_UHD_/_GNU_Radio_/_gr-ettus_from_Source Regards, Nate Temple On Mon, Oct 14, 2019 at 11:52 AM wrote: > Hello guys! > I'm trying

Re: [Discuss-gnuradio] ImportError: cannot import name usrp

2019-10-11 Thread Nate Temple
size > > On Fri, Oct 11, 2019 at 1:28 PM Nate Temple wrote: > >> You should pass in the cpu_format as an arg such as below: >> >> sink = uhd.usrp_sink( >> ",".join(("", "")), >> uhd.stream_args( >> c

Re: [Discuss-gnuradio] ImportError: cannot import name usrp

2019-10-11 Thread Nate Temple
wrote: > Got it, thank you! > > However, usrp_sink_c is not supported anymore? Get an error there too. > > tx = usrp_sink_c(fusb_block_size = 1024, fusb_nblocks=8) > > On Fri, Oct 11, 2019 at 1:11 PM Nate Temple wrote: > >> Hi Laura, >> >> It should be:

Re: [Discuss-gnuradio] ImportError: cannot import name usrp

2019-10-11 Thread Nate Temple
Hi Laura, It should be: from gnuradio import uhd source = uhd.usrp_source(...) ... I would suggest to try building out a basic flowgraph in GRC and then use the generate button and checkout the source made from it. Regards, Nate Temple On Fri, Oct 11, 2019 at 1:06 PM Laura Arjona wrote

Re: [Discuss-gnuradio] DTMF (Touch Tone) encoder

2019-08-24 Thread Nate Temple
Hi Chris, Checkout the attached flowgraph I made for a workshop we run. It uses some hacky python inline to generate the DTMF tones. Regards, Nate Temple On Sat, Aug 24, 2019 at 12:21 PM Chris Gorman wrote: > Hello All, > > I have looked around and I can't seem to find a touc

Re: [Discuss-gnuradio] Possible solution to USRP Packet Dropping

2019-08-14 Thread Nate Temple
.ettus.com/USRP_Host_Performance_Tuning_Tips_and_Tricks Regards, Nate Temple On Wed, Aug 14, 2019 at 10:22 AM Marcus D. Leech wrote: > On 08/14/2019 01:14 PM, Moses Browne Mwakyanjala wrote: > > Hello everyone, > I'm experiencing packet dropping when I operate the USRP X310 (1GBe, 1472 > bytes buffer

Re: [Discuss-gnuradio] smith chart on GNU radio

2019-08-06 Thread Nate Temple
Hi Simona, CGRAN [0] has gr-smithchart[1] listed, however, it hasn't had any commits for 5yrs, it might work still. [0] - http://cgran.org/ [1] - https://github.com/mitul93/gr-smithchart Regards, Nate Temple On Tue, Aug 6, 2019 at 10:14 AM Simona Sibio wrote: > Hi all, > >

Re: [Discuss-gnuradio] [announcement] GNU Radio 3.8 Release Candidate 2

2019-08-02 Thread Nate Temple
Hi Barry, Looks like you might be missing scipy https://github.com/gnuradio/gnuradio/issues/1539 Regards, Nate Temple On Fri, Aug 2, 2019 at 7:16 PM Barry Duggan wrote: > Thank you Ron and Nate! > > With your help I was able to git, build, and test rc2. > > As before, some of t

Re: [Discuss-gnuradio] [announcement] GNU Radio 3.8 Release Candidate 2

2019-08-02 Thread Nate Temple
; git checkout v3.8.0.0-rc2 > > git submodule update > > mkdir build > > cd build > > cmake .. > > make > > sudo make install > > > > > > Regards, > > Nate Temple > > > > On Fri, Aug 2, 2019 at 6:41 AM Barry Duggan wrote: > > > >&

Re: [Discuss-gnuradio] [announcement] GNU Radio 3.8 Release Candidate 2

2019-08-02 Thread Nate Temple
Hi Barry, You should use git in the command line: git clone --recursive https://github.com/gnuradio/gnuradio cd gnuradio git checkout v3.8.0.0-rc2 git submodule update mkdir build cd build cmake .. make sudo make install Regards, Nate Temple On Fri, Aug 2, 2019 at 6:41 AM Barry Duggan wrote

Re: [Discuss-gnuradio] (no subject)

2019-03-04 Thread Nate Temple
Hi, GNU Radio works fine on the RBPIv3 at lower / limited sample rates. The satnogs project uses GNU Radio and the RBPIv3 as a reference design. Regards, Nate Temple On Mon, Mar 4, 2019 at 2:06 PM faisal wrote: > Hi my friend > Please is anyone used gnuradio on raspberry pi 3 sucs

Re: [Discuss-gnuradio] [UHD] Announcing 3.14.0.0 Release Candidate 1

2019-02-14 Thread Nate Temple
rrors is 3.8 GHz using benchmark_rate and the native networking stack. Using DPDK I can run 2x2 @ 125 MS/s with my CPU freq locked at 1.5 GHz with no flow control errors. Regards, Nate Temple On Thu, Feb 14, 2019 at 3:57 AM Andre Puschmann < andre.puschm...@tu-ilmenau.de> wrote: > Hey guys

Re: [Discuss-gnuradio] GRCon2017 program and presentations ?

2018-10-08 Thread Nate Temple
Hi Jean-Michel, You can find the program and presentations for 2017 here - https://www.gnuradio.org/grcon-2018/about/previous-years/ I'll update the routes/menus so it is easier to navigate and to find previous year's content. Regards, Nate Temple On Mon, Oct 8, 2018 at 10:10 PM, J

Re: [Discuss-gnuradio] Hotel Info for GRCon18?

2018-05-29 Thread Nate Temple
Henderson, NV 89014 (702) 387-6500 Hampton Inn & Suites Las Vegas-Henderson 421 Astaire Dr, Henderson, NV 89014 (702) 992-9292 Fiesta Henderson Hotel & Casino 777 W E Lake Mead Pkwy, Henderson, NV 89015 (702) 558-7000 Regards, Nate Temple On Sun, May 27, 2018 at 12:51 PM, Kevin McQuig

Re: [Discuss-gnuradio] USRP B205 Reporting USB2 while connected to USB3

2018-02-07 Thread Nate Temple
[1] - http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com Regards, Nate Temple On Wed, Feb 7, 2018 at 11:20 AM, Michael Piscopo wrote: > I have a USRP B205mini-i connected to a new Ubuntu 16.04 LTS laptop. The > USB hardware is a standard Intel chipset and lsusb and lshw all show the

Re: [Discuss-gnuradio] E312 GNU Radio Error

2017-12-27 Thread Nate Temple
er work around is to generate the Python file with the "grcc" utility on the E3xx. Regards, Nate Temple > On Dec 27, 2017, at 11:25 AM, Isai wrote: > > Hello all, > I had a question regarding an error I am getting when trying to implement the > KB example for st

Re: [Discuss-gnuradio] Stop flow graph after fixed time

2017-12-01 Thread Nate Temple
A combination of the Skip Head and Head blocks will give you the desired result. [Source] -> [Throttle] -> [Skip Head, Num Items=samp_rate*3] -> [ Head, Num Items=samp_rate*5 ] -> File Sink This will Skip 3 seconds and record 5 seconds. Within the Options block, set the flowgraph to be "No G

Re: [Discuss-gnuradio] UHD and GNU Radio on Beaglebone

2017-07-05 Thread Nate Temple
ch/023930.html Regards, Nate Temple On Wed, Mar 8, 2017 at 10:03 PM, Usman Haider wrote: > Hi Nate, > > Thanks for the link. I installed the SDK and my first cross-compiled > program > ran smoothly on E310-sg3 :). Is there any SDK available you know of that > can work for BB

Re: [Discuss-gnuradio] Recording samples for a predefined time

2017-04-27 Thread Nate Temple
Hi Ali, One way to achieve this would be to use a "Head" block with the "Num Items" set to: samp_rate*2. Then set the values under the top_block/Options block to be: Generate Options: No GUI Run Options: Run to Completion. Regards, Nate > On Apr 27, 2017, at 2:30 AM, do ber <03do...@gm

Re: [Discuss-gnuradio] UHD and GNU Radio on Beaglebone

2017-03-07 Thread Nate Temple
ven't ran an Odroid with a N210, but with a B205mini, I was able to run at 16 MS/s into GQRX without much issue. Using pure UHD it was able to handle 25MS/s with minor tweaking. Regards, Nate Temple > On Mar 7, 2017, at 10:22 PM, Usman Haider wrote: > > > > On Sat, Mar 4

Re: [Discuss-gnuradio] Displaying angle measurements with a nice GUI

2016-06-15 Thread Nate Temple
There is the "WX DOA Compass" in gr-baz https://github.com/balint256/gr-baz https://github.com/balint256/gr-baz/blob/master/grc/doa_compass.xml -- Nate > On Jun 15, 2016, at 10:44 AM, Philip Balister wrote: > > On 06/15/2016 01:06 PM, Nick Foster wrote: >> You ought to be able to use PyQwt's

Re: [Discuss-gnuradio] baz-utils and python path

2016-04-24 Thread Nate Temple
advice > or instructions would be greatly appreciated > > Thanks > > > 2016-04-24 6:37 GMT+02:00 Nate Temple : > Hello, > > Within the cyberspectrum/ folder there is the file "config.model.py", you > need to copy it to "config.py" by running >

Re: [Discuss-gnuradio] baz-utils and python path

2016-04-23 Thread Nate Temple
of this coding stuff, so things are not > self-explanatory to me yet > > I have a USRP B200 which is a detail which might be relevant. > > And again thanks > > > 2016-04-23 20:42 GMT+02:00 Nate Temple : > Hello, > > The solution to resolving your erro

Re: [Discuss-gnuradio] baz-utils and python path

2016-04-23 Thread Nate Temple
make it executable so that I can get the > following scanner.py and spectrum_viewer.py to work > > Any advice or guidance would be greatly appreciated > > Thanks > > > 2016-04-23 0:31 GMT+02:00 Nate Temple : > Hello, > > You can add the path to your PYTHON

Re: [Discuss-gnuradio] baz-utils and python path

2016-04-22 Thread Nate Temple
Hello, You can add the path to your PYTHONPATH variable by adding this line to the end of your ~/.bashrc file export PYTHONPATH=$PYTHONPATH:/path/to/baz-utils/lib/python You'll need to update the "/path/to/baz-utils/lib/python" to where you have cloned baz-utils. Also note baz-utils directory

Re: [Discuss-gnuradio] using DAB+FM+DVB-T dongle for spectrum monitoring

2016-04-05 Thread Nate Temple
Hi vempati, You need to blacklist the default driver for the RTL. Create/open this file: sudo nano /etc/modprobe.d/rtlsdr-blacklist.conf And add the 3 lines below to it, and then restart your machine. blacklist dvb_usb_rtl28xxu blacklist rtl2832 blacklist rtl2830 - Nate > On Apr 4, 2016,

Re: [Discuss-gnuradio] Unable to execute a flow with remote desktop on an RPi

2016-04-02 Thread Nate Temple
Hi Jean, Did you switch the "Generate Options" option in the properties of the top_block from WX GUI to QT GUI ? - Nate > On Apr 2, 2016, at 8:52 PM, Jean Luc wrote: > > Hi everyone, > > I've just joined the list and I'm trying to execute a flow in GRC on an RPi3 > accessed via a remote d

Re: [Discuss-gnuradio] Handling of IQ files

2016-03-19 Thread Nate Temple
Hi Henry, Here are a few open source applications you may find useful to reference to build your tool. rtl_power + heatmap.py (c/python) - Hard coded to use the RTL-SDRs https://github.com/keenerd/rtl-sdr/blob/master/src/rtl_power.c http://kmkeen.com/rtl-power/ rtl_power port that uses FFTW - h

Re: [Discuss-gnuradio] Companion flow error

2016-03-08 Thread Nate Temple
that error messages are more specific (i.e. filename in missing file > error) > > BR, > Nikos > > On Wed, Mar 9, 2016 at 7:08 AM, Nate Temple wrote: > Hi Nikos, > > You need the baudline binary which is here [1]. It will unpack to the folde

Re: [Discuss-gnuradio] Companion flow error

2016-03-08 Thread Nate Temple
sr/bin:/sbin:/bin:/usr/games:/usr/local/games:. > Is this smt i should add to my PATH? > > > ls -la baudline_1.08_linux_x86_64 > total 8 > drwxrwxr-x 2 nikos nikos 4096 Mar 9 04:31 . > drwxr-xr-x 54 nikos nikos 4096 Mar 9 06:52 .. > > BR, > Nikos > > On Wed, M

Re: [Discuss-gnuradio] Companion flow error

2016-03-08 Thread Nate Temple
ke sure that PATH was updated correctly, >> same error as before. >> >> BR, >> Nikos > If you just try to execute the generated .py file, from a window that > apparently has correct PATH, what happens? > > >> >> On Wed, Mar 9, 2016 at 5:45 AM,

Re: [Discuss-gnuradio] Companion flow error

2016-03-08 Thread Nate Temple
Hi Nikos, Did you restart gnuradio-companion from a new terminal after adding the line to your ~/.bashrc file? - Nate > On Mar 8, 2016, at 7:09 PM, Nikos Balkanas wrote: > > ​Hi Nate, > > Thank you for your fast reply. I tried your suggestions, but i seem to still > get the same error: >

Re: [Discuss-gnuradio] Companion flow error

2016-03-08 Thread Nate Temple
Hi Nikos, - You should use the UHD: USRP Source block with the x300, instead of the Osmocom Source - Try setting a higher sample rate to start with, 1e6 instead of 32e3 - You need to add the location of baudline to your $PATH variable, you can do so by adding the line below to your ~/.bashrc fil

Re: [Discuss-gnuradio] Crosscompile Gnuradio for Rpi

2016-01-14 Thread Nate Temple
Hi Matej, I've had success with the following command compiling gnuradio on another raspberry pi like ARM based board, I believe it will get you past the NEON / ASM errors. This command was taken from the gnuradio embedded page [1] cmake -DCMAKE_C_FLAGS="-march=armv7-a -mthumb-interwork -mfloat

Re: [Discuss-gnuradio] power amplifiers on TX

2015-12-30 Thread Nate Temple
Just to add onto what Ron has said, the limit in the US is 1500 watts, but there are some restrictions per band, and license level. Details here [ http://www.arrl.org/frequency-allocations ] but below are the important tidbits. - "Unless otherwise noted, the maximum power output is 1500 watts

Re: [Discuss-gnuradio] problem with USRP N210

2015-12-30 Thread Nate Temple
Assuming the pins are in good condition, another trouble shooting step would be to swap the daughter cards between the non-working and working units, to determine if it is an issue with the card or the N210. It would not hurt to try swapping the connection cables as well to test them. > On De

Re: [Discuss-gnuradio] ham/amateur getting started

2015-12-25 Thread Nate Temple
from Windows Mail > > From: Nate Temple > Sent: ‎Friday‎, ‎December‎ ‎25‎, ‎2015 ‎7‎:‎26‎ ‎PM > To: discuss-gnuradio@gnu.org > > Hi, > > > Remember the Nyquist Theorem, which tells us that you can sample 1,6 MHz > > wir 3,2 MSPS, and common amateur radio signals ar

Re: [Discuss-gnuradio] ham/amateur getting started

2015-12-25 Thread Nate Temple
Hi, > Remember the Nyquist Theorem, which tells us that you can sample 1,6 MHz > wir 3,2 MSPS, and common amateur radio signals are generally far smaller > than 1,6 MHz. So the RTLSDR stick will probably be sufficient for most > of your experiments. Just a small correction, the samples from the