Re: [Discuss-gnuradio] GNU Radio on Raspberry Pi Model 2??

2015-03-31 Thread peter
more information. Peter On 31.03.2015 16:42, Mike Harpe wrote: What's the best way to get GNU Radio working on the new Raspberry Pi 2? I have tried a straight from source compile and just installing the package. Both methods ended up not being able to see my FunCube Dongle Pro+ due to

Re: [Discuss-gnuradio] Report on progress with Raspberry Pi 2

2015-04-12 Thread peter
l below 50 % in this case. RTL-SDR (part of the osmocom rtl-sdr package) works fine with a Pi2. Peter On 12.04.2015 02:22, Mike Harpe wrote: BLUF: I can get gqrx to run but not very well. It will run for a few seconds then hang badly. Sometimes the board needs to be rebooted. After much goof

[Discuss-gnuradio] merging gnuradio repos

2012-02-11 Thread Peter
I want to have a code from another gnuradio repo such as and merge both and at which level should I do this ? 4a. Is it cd /myMainFolder and do a git clone or 4b. Is it cd /myMainFolder/gnuradio and then do a git clone Kind Regards, Peter

Re: [Discuss-gnuradio] GNU Radio (etc) via MacPorts Update

2013-07-09 Thread Peter
Thanks for maintaining this for the mac. I am just getting my feet wet in SDR. I have a working dongle that I can use with the gqrx.app program-- I can tune radio stations and hear them. I would like to start using gnuradio for its added flexibility and power. I tried installing gnuradio (3.7) and

Re: [Discuss-gnuradio] GNU Radio (etc) via MacPorts Update

2013-07-09 Thread Peter
I tried to reply once before but I don't see it anywhere. First of all, thank you Michael (and others) for all your work on gnuradio. I am trying to get my feet wet in SDR. I have a dongle that works with gqrx (I can hear radio stations). I am trying to get gnuradio working to expand my options

Re: [Discuss-gnuradio] GNU Radio (etc) via MacPorts Update

2013-07-09 Thread Peter
Thanks. I see your response now. I am trying to understand the gmane modes-- I think I was seeing the permalink which showed only your original post. I tried "sudo port install gnuradio +full" which failed. Looking at the log file, I think the relevant lines are: :info:configure CMake Error: The

Re: [Discuss-gnuradio] GNU Radio (etc) via MacPorts Update

2013-07-09 Thread Peter
Tried but still no go. More variables were not found: :info:configure CMake Error: The following variables are used in this project, but they are set to NOTFOUND. :info:configure Please set them or make sure they are set and tested correctly in the CMake files: :info:configure ICE_GLACIER2

Re: [Discuss-gnuradio] GNU Radio (etc) via MacPorts Update

2013-07-09 Thread Peter
After a bit of digging around and trying different things, I think I have a grasp of what is going on. For whatever reason, I had qwt @5.1.2_2+qt4 (active) and py27-pyqwt @5.2.0_4 (active) installed. It seems that the current version of gnuradio (3.7) uses qwt52. I uninstalled all qwt related p

[Discuss-gnuradio] Burning Man- BTS

2009-02-17 Thread Peter
http://en.wikipedia.org/wiki/OpenBTShttp://openbts.sourceforge.net/Something like this???Peter HughesN7BMG -- Message: 4 Date: Tue, 17 Feb 2009 08:38:33 -0800 (PST) From: isaacgerg Subject: [Discuss-gnuradio] OpenBTS Technical Repor: To: Discuss-gnuradio@gnu.org

Re: [Discuss-gnuradio] GNU Radio installation script

2015-09-22 Thread Peter Mathys
way into the build-gnuradio script. Install the mako template engine using sudo apt-get install python-mako Then run the build-gnuradio script again (perhaps with the -v option). -Peter- On 9/22/2015 6:25 AM, Mike Gilmer wrote: I've gotten further along but it still failed. Here's

Re: [Discuss-gnuradio] GNU Radio installation script

2015-09-22 Thread Peter Mathys
Actually I just checked and it is in the build-gnuradio script now. It wasn't there at the end of July or beginning of August when I ran into the problem and it prevented the script from installing UHD and thus the actual GNU Radio installation. -Peter- On 9/22/2015 10:19 AM

Re: [Discuss-gnuradio] UHD & LibUSRP works with both but...Re: 2 USRP1s, both loads firmware correctly, but only 1 can run ANY sdr apps. Why?

2015-12-08 Thread Peter Cielos
USRP1s. The problem is, 1 of the USRP1s can run ANY SDR app, while the other one always fails at the most BASIC apps such as *benchmark*_*usb*.*py* *How can I get the 2nd USRP1 to work just like the 1st USRP1?* On Mon, Dec 7, 2015 at 3:27 AM, Marcus Müller wrote: > Hi Peter, > > ah,

Re: [Discuss-gnuradio] Building gnuradio with Pybombs on MacOSX

2016-10-23 Thread Peter Horvath
n 2 a couple of weeks ago and the gsl1 recipe is now called, well, gsl1. I didn't try if gsl v2 works with gnuradio. Best regards, Peter > -- Forwarded message -- > From: Brian Cuthie > To: "discuss-gnuradio@gnu.org" > Cc: > Date: Sat, 22 Oct 2016 22

[Discuss-gnuradio] Problem running gr_filter_design on Windows 7

2017-01-25 Thread Swartz, Peter
I have GNU radio v3.7.10.1/v1.1.2 installed from http://www.gcndevelopment.com/gnuradio/downloads.htm on my Windows 7 machine. I am using USRP B200 as well. When I try to run gr_filter_design from the command prompt, I get a SciPi not installed error. I have verified that SciPi is installed.

[Discuss-gnuradio] File Meta Sink Endianness?

2015-02-09 Thread Peter Witkowski
ian. Does this change based on the endianness of the host machine? Thanks in advance for the help. -- Peter Witkowski pwitkow...@gmail.com ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio

Re: [Discuss-gnuradio] File Meta Sink Endianness?

2015-02-09 Thread Peter Witkowski
Hi Marcus, That explains it. Thanks for the help. On Mon, Feb 9, 2015 at 1:27 PM, Marcus Müller wrote: > Hi Peter, > > the metadata is stuffed into PMT dicts, which get serialized by pmt's > serialization routines. > Now, these are a bit peculiar on serializing mu

[Discuss-gnuradio] Issues Installing From Source

2015-03-04 Thread Peter Witkowski
lar issues? Does the simple "sudo apt-get install gnuradio" command install the latest versions of UHD and GNU Radio? I am also leaning towards trying a PyBOMBS based install. That said, I don't think I'm doing anything differently this time around and I've always had good

Re: [Discuss-gnuradio] Issues Installing From Source

2015-03-04 Thread Peter Witkowski
As a sanity check, I just went through and followed the build instructions for UHD found here: http://files.ettus.com/manual/page_build_guide.html After the make install, I ran a find for uhd_find_devices and nothing came up. On Wed, Mar 4, 2015 at 10:45 AM, Martin Braun wrote: > Pe

Re: [Discuss-gnuradio] [USRP-users] Receiving 200 Msps with an X300

2015-03-04 Thread Peter Witkowski
you for your consideration, > > -Steve > > ___ > USRP-users mailing list > usrp-us...@lists.ettus.com > http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com > -- Peter Witkowski pwitkow...@gmail.com ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio

Re: [Discuss-gnuradio] Issues Installing From Source

2015-03-05 Thread Peter Witkowski
the case that some system update changed something that buggered up an >> assumption that build-gnuradio is making. But without a complete log of a >> "-v" run, >> I have no way of figuring out what's going wrong. >> >> >> >> >&

[Discuss-gnuradio] gr-tutorial/examples/tutorial4 Python module missing

2015-05-04 Thread Peter Mathys
I have downloaded the most recent version of the gr-tutorial from github and installed it using cd gr-tutorial mkdir build cd build cmake .. make sudo make install sudo ldconfig Everything works fine up to this point and I don't get any error messages. When I open gr-tutorial/examples/tutorial4/

Re: [Discuss-gnuradio] gr-tutorial/examples/tutorial4 Python module missing

2015-05-05 Thread Peter Mathys
05.2015 20:57, Peter Mathys wrote: I have downloaded the most recent version of the gr-tutorial from github and installed it using cd gr-tutorial mkdir build cd build cmake .. make sudo make install sudo ldconfig Everything works fine up to this point and I don't get any error messages. When I o

Re: [Discuss-gnuradio] Problems when trying to make out of tree modules

2015-05-13 Thread Peter Mathys
the namespace declaration, the #include compiler directive, and the conditional #ifndef INCLUDED ... directives. Once I updated that correctly the AttributeError got resolved. -Peter- On 5/13/2015 10:38 AM, Su Li wrote: Dear All, I am trying to make an out of tree module by following the t

[Discuss-gnuradio] UDP Source and Sink = "Straight" UDP

2015-06-04 Thread Peter Witkowski
received out of order or resending packets in the event that data is dropped. Stated differently, the UDP Source and Sink are "vanilla" UDP and don't have any additional features added in the application layer, correct? Thanks in advance for the help.

[Discuss-gnuradio] Sample Type Conversions

2018-08-18 Thread Peter Witkowski
the block uses VOLK, which in turn uses various SIMD instructions that perform saturating arithmetic (am I on the right track here?). Thanks in advance for the assistance. -- Peter Witkowski pwitkow...@gmail.com ___ Discuss-gnuradio mailing list Discus

[Discuss-gnuradio] USRP I/O Buffering

2014-09-07 Thread Peter Witkowski
set-up is capable of writing to disk at twice the rate of data coming in per benchmarking the HDDs. -- Peter Witkowski pwitkow...@gmail.com ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio

Re: [Discuss-gnuradio] USRP I/O Buffering

2014-09-07 Thread Peter Witkowski
PM, Marcus D. Leech wrote: > On 09/07/2014 04:24 PM, Peter Witkowski wrote: > > Hello, > > I have a simple application written in Python using GNURadio. All I am > trying to accomplish is to have the USRP data be written to disk. The > application works fine when I dump

Re: [Discuss-gnuradio] USRP I/O Buffering

2014-09-09 Thread Peter Witkowski
es if the problem comes back for whatever reason. But for now, buffering via the Stream-to-Vector block seems to have fixed the issue. On Sun, Sep 7, 2014 at 7:54 PM, Marcus D. Leech wrote: > On 09/07/2014 07:08 PM, Peter Witkowski wrote: > > Not sure I follow. If I have a large enou

Re: [Discuss-gnuradio] OSX UHD runtime troubles

2012-02-11 Thread Peter Jensen
f the "/System/Library/Frameworks/Python.framework/Versions/2.7/Python" dependency when everything else is pointing to /opt/local. -Peter On 02/11/2012 06:12 PM, Daniel O'Connor wrote: Hi, I'm trying to build and run GNURadio on OSX Lion (with MacPorts) but I am havin

[Discuss-gnuradio] benchmark_tx.py timing

2012-03-29 Thread Peter Salzig
Hello, since there is an option for discontinuous transmission for the benchmark_tx.py script, I was wondering if the signal is really being transmitted continuously when the option is not enabled or if there still is some time division scheme involved. Thanks in advance. Peter

[Discuss-gnuradio] Front-end board for GPS / GNSS

2012-06-07 Thread Peter Monta
s geared toward high-spectral-efficiency signals with many (>=8) bits per sample. Cheers, Peter Monta ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio

[Discuss-gnuradio] Compilation under Windows

2012-12-31 Thread Peter Horvath
Hi, I'm trying to compile gnuradio under Win7 64 bit. boost-chrono seems to be missing from the Cmake requirements, so I added it. But there is a further glitch when _gnuradio_core_filter is executed during compilation: 13> Unable to find file 'C:\src\gnuradio\gnuradio-core\src\li\swig\gnuradio

Re: [Discuss-gnuradio] Compilation under Windows

2012-12-31 Thread Peter Horvath
The latest development from git. > What branch are you using? > > > On Mon, Dec 31, 2012 at 11:35 AM, Peter Horvath <mailto:ejcs...@gmail.com>> wrote: > > Hi, > > I'm trying to compile gnuradio under Win7 64 bit. boost-chrono seems to > b

Re: [Discuss-gnuradio] Compilation under Windows

2013-01-01 Thread Peter Horvath
> Please specify whether you're using master or next. > MB I'm on the master branch. Visual Studio 2010 x64 toolchain Python 64 bit P. > The latest development from git. > >> What branch are you using? >> >> >> On Mon, Dec 31, 2012 at 11:35 AM, Pet

[Discuss-gnuradio] Noob questions on transmitting a finite pulse, waiting, and then starting to receive

2013-01-07 Thread Bill Peter
30 seconds (note the three > 10-second sleeps). So what happened to the dial tone--why couldn't I hear > it? So this may not work when I substitute the audio sink for a USRP sink, > correct? > Thanks for any help! I am having difficulties in understanding all this and being able to tra

[Discuss-gnuradio] failed build in new version of gnuradio 3.6.3

2013-01-12 Thread Bill Peter
nd -- Found Threads: TRUE -- Udev rules not being installed, install them with -DINSTALL_UDEV_RULES=ON -- Configuring done -- Generating done -- Build files have been written to: /home/peter/rtl-sdr Scanning dependencies of target rtlsdr_shared [ 5%] Building C object src/CMakeFiles/rtlsdr_share

[Discuss-gnuradio] SWIG issue with next

2013-04-01 Thread Peter Horvath
xx:7208:22: error: redefinition of ‘struct swig::traits >’ /x/build/gr-blocks/swig/blocks_swigPYTHON_wrap.cxx:6200:22: error: previous definition of ‘struct swig::traits >’ make[2]: *** [gr-blocks/swig/CMakeFiles/_blocks_swig.dir/blocks_swigPYTHON_wrap.cxx.o]

Re: [Discuss-gnuradio] MacPorts and out-of-tree modules

2013-07-26 Thread Peter Horvath
odule (inadvertently linked to system Python and left installed in /usr/local) broke everything, crashed Python when I tried to add /usr/local/... to PYTHONPATH. Best regards, Peter > Hi Péter - It's been a while since I tried OOT modules with GNU Radio; it's > certainly po

[Discuss-gnuradio] PMT blobs in Python

2013-08-03 Thread Peter Horvath
b1 = pmt::make_blob(a, a_length); pmt::pmt_t b2 = pmt::make_blob(b, b_length); return pmt::make_tuple(b1, b2); And I try to check the contents of b1 in QA code like this: res = my_test_function() b1 = pmt.blob_data(pmt.tuple_ref(res, 0)) b1_len = pmt.blob_length(pmt.tuple_ref(res

Re: [Discuss-gnuradio] PMT blobs in Python

2013-08-04 Thread Peter Horvath
Hi Marcus, pmt.u8vector_elements() did the trick. The result being a long array is not a problem, I could compare its elements with a list using assertSequenceEqual(). Thank you, Peter ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https

[Discuss-gnuradio] numpy to blob

2013-08-11 Thread Peter Horvath
_blob() function wants to behave like a C++ function, and expects two arguments, address and array length. What is the best way to convert NumPy arrays to blobs? (grextras and all the other stuff Josh was pointing to a couple of days ago seem to have gone from github.) Thanks,

[Discuss-gnuradio] Detecting "EOF" in stream-in-message-out block

2013-08-12 Thread Peter Horvath
ould be able to come after the last piece of data, independently, not somehow glued to it.) Is there a better way to detect this? Thanks, Peter ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio

[Discuss-gnuradio] SDR front end design.

2013-08-20 Thread Peter Reilley
Hello; I am interested in designing a front end amplifier for a SDR. I am interested in the frequency band from 2 MHz to about 60 MHz. Is there anyone interested this in frequency band and is doing hardware design? I would like to discuss design issues and problems. Or, is there a bette

[Discuss-gnuradio] PPM radio control signal demod

2010-06-01 Thread Peter Jensen
;t go that deep. Does anyone have a copy of that page, or have any ideas for other references that might be useful? I've included a few notes that I've accumulated below. Thanks! Peter http://en.wikipedia.org/wiki/Pulse-position_modulation Lab notes with some details about PPM modul

Re: [Discuss-gnuradio] gnuradio-companion error

2010-09-16 Thread Rakesh Peter
Hello Zhang, export PYTHONPATH=$PYTHONPATH:/usr/local/lib/python2.6/dist-packages should probably fix the error. Make sure the path specified above exists and contains the python gnuradio packages. Cheers, Rakesh On Fri, Sep 17, 2010 at 8:01 AM, zhang wei wrote: > Hi Guys, > >I have

Re: [Discuss-gnuradio] Getting the API version at compile time

2011-10-13 Thread Peter Massam
gan-2 wrote: > > On Oct 12, 2011, at 20:13, Tom Rondeau wrote: > > On Wed, Oct 12, 2011 at 5:26 AM, Peter D. Massam > wrote: > >> I need to be able to maintain my program for both old and new systems >> and >> I've been looking for a version constant tha

Re: [Discuss-gnuradio] QPSK with direct-sequence spread spectrum

2011-10-31 Thread Peter Massam
In general you're right, but it depends on the details. Its usually quite straightforward, but a common mistake is to use the wrong bit-to-symbol mapping. 0 -> +1 and 1 -> -1 means that an XOR applied to bits is equivalent to multiplication applied to symbols. Nowlan, Sean wrote: > > Hi all,

Capturing 2 Level FSK with frequency hopping?

2022-07-10 Thread Peter Lambrechtsen
ane what I should be receiving, then move to the frequency hopping. Thanks, Peter

[Discuss-gnuradio] New (potential) user + question

2008-11-17 Thread Peter O'Doherty
per alternatives or other possibilities to get a taste of what software radio is all about? Best wishes, Peter Peter O'Doherty http://www.peterodoherty.net http://www.myspace.com/peterodoherty ___ Discuss-gnuradio mailing list

Re: [Discuss-gnuradio] New (potential) user + question

2008-11-18 Thread Peter O'Doherty
available to me on the audio packages I already use (eg. SuperCollider) but the prospect of manipulating radio signals via USRP+gnuradio+ my_audiopackage is exciting. Do you think this is a feasible way to approach it? Thanks again, Peter Peter O'Doherty http://www.peterodoherty.net

Re: [Discuss-gnuradio] Re: Problem with OTA capture examples

2008-12-17 Thread Peter O'Doherty
his seems to be exactly the imput I'm giving it. What am I missing? Many thanks, Peter On Wed, Dec 17, 2008 at 04:26:57PM +0100, Peter O'Doherty wrote: Thanks a lot. That does the job. But now I get this message: len(channel_coeffs) = 795 gr_fir_ccc: using SSE

[Discuss-gnuradio] Problem with OTA capture examples

2008-12-17 Thread Peter O'Doherty
enied Anyone have any idea what I'm doing wrong? Thanks, Peter ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio

Re: [Discuss-gnuradio] Re: Problem with OTA capture examples

2008-12-17 Thread Peter O'Doherty
eturn _audio_alsa.sink(*args) RuntimeError: audio_alsa_sink But what about the audio_alsa_sink error? Thanks again, Peter On Wed, Dec 17, 2008 at 03:47:57PM +0100, Peter O'Doherty wrote: The same thing happens when I simply copy a file in the ~/gnuradio-examples/python/audio directory,

[Discuss-gnuradio] Re: Problem with OTA capture examples

2008-12-17 Thread Peter O'Doherty
o.net/gnuradio/am_rcv.py If I run this in the terminal: ./am_rcv.py hf_1khz_256_complex.dat 0 I get this: bash: ./am_rcv.py: Permission denied Anyone have any idea what I'm doing wrong? Thanks, Peter ___ Discuss-gnuradio mailing list Discus

[Discuss-gnuradio] Packet chopping

2009-03-10 Thread Peter Vizi
some parts from the previous packet before the preamble. We tried to set the fusb_block_size of the USRP sink to 8, so this buffer will hold a whole packet, but this did not help either. Any ideas would be greatly appreciated. Best, Peter. [1] http://nd.edu/~pvizi/transmitted.png [2] http://n

Re: [Discuss-gnuradio] Packet chopping

2009-03-11 Thread Peter Vizi
samples long, rather it is spread over 1000 samples, which in my opinion means that the USRP does not send the whole packet at once but in small chunks. Best, Peter. [1] http://nd.edu/~pvizi/transmitted.png [2] http://nd.edu/~pvizi/onair.png signature.asc Description: This is a di

Re: [Discuss-gnuradio] Using a USRP as a PID feeback controller

2009-05-21 Thread Rakesh Peter
Hello Aviv... I believe this has something similar to what you were mentioning... http://staff.washington.edu/jon/gr-mrfm/ Regards, Rakesh On Wed, May 20, 2009 at 4:20 AM, Aviv Keshet wrote: > This email is not a question, but more of a comment. > > I've been working for about a week on re-p

Re: [Discuss-gnuradio] rx_buffer testbench

2007-03-01 Thread Peter Monta
ful, actually---if I request 4-bit samples, I'm more or less expecting 4-bit uniform quantization, right? So the attached patch changes to round-to-nearest-even. Cheers, Peter Monta --- rx_buffer.v.orig2007-02-25 14:32:58.0 -0800 +++ rx_buffer.v 2007-03-01 00:01:05.0

[Discuss-gnuradio] Fewer than 8 bits per sample FPGA support

2007-03-01 Thread Peter Monta
ted). Cheers, Peter Monta --- rx_buffer.v.orig2007-02-25 14:32:58.0 -0800 +++ rx_buffer.v 2007-03-01 02:57:00.0 -0800 @@ -51,8 +51,7 @@ output [15:0] debugbus ); - wire [15:0] fifodata, fifodata_8; - reg [15:0] fifodata_16; + reg [15:0] fifodata; wire [1

Re: [Discuss-gnuradio] Fewer than 8 bits per sample FPGA support

2007-03-04 Thread Peter Monta
Please let me know if anything else is needed for the patch. There's a testbench for bit_pack.v I can send along if you like. One possible issue is synchronization, to make sure that the channels are properly distributed within the 16 bits after changing width. Cheers, Peter Monta //

Re: [Discuss-gnuradio] Fewer than 8 bits per sample FPGA support

2007-03-04 Thread Peter Monta
pstream from the halfband (4). I see. Maybe I'll just forget the halfband too and just subsample by 2---the baseband filters on the MAX2118 may be enough for reasonable antialiasing. The test bench would be nice. Attached. Cheers, Peter testbench.tar.gz Descri

Re: [Discuss-gnuradio] GPS with DBSRX, Almost There

2007-03-06 Thread Peter Monta
would like). Thanks! I could take a look if you like---two seconds perhaps? Cheers, Peter Monta n = length(e); r = 0; phase = 0; freq = 0; data = zeros(1,n); for i=1:n, pd = exp((1j)*phase) * e(i); # phase detector data(i) = real(pd); # save data (in-phase arm

Re: [Discuss-gnuradio] GPS with DBSRX, Almost There

2007-03-06 Thread Peter Monta
input (after the saw filter) This will result in 24.58 Mhz +jitter +LOdrift at the input of the USRP (after dbs_rx downmix) I wonder if any 25th harmonic is already in the signal, by virtue of leakage within the USRP itself? That would be great. Cheers, Peter Monta

[Discuss-gnuradio] GPS carrier tracking, USRP oscillator performance

2007-03-09 Thread Peter Monta
e tripler would just be a filter). Cheers, Peter Monta ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio

Re: [Discuss-gnuradio] Troubleshooting GPS on DBSRX

2007-04-04 Thread Peter Monta
e acquisition step (say +- 50 kHz), consistent with the 50ppm absolute accuracy of the USRP's LO. Cheers, Peter Monta ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio

Re: [Discuss-gnuradio] GPS on DBSRX

2007-04-09 Thread Peter Monta
figure. There's also an amplifier on the dbs_rx prior to the receiver chip, so the system noise figure of the USRP itself should not be a problem. Did you see my other email from April 4? I think it went out to the list. Cheers, Peter

Re: [Discuss-gnuradio] GPS on DBSRX

2007-04-09 Thread Rakesh Peter
On 4/9/07, Peter Monta <[EMAIL PROTECTED]> wrote: > Question: Has anyone successfully acquired a GPS signal using the > DBSRX daughterboard? Yes, several on this list have done so. Is there any version that is available for public ?? I would love to learn how its being do

Re: [Discuss-gnuradio] FFT Spectral smoothing

2007-06-22 Thread Peter Monta
e FFT demos, since currently there is no "video filtering", as the spectrum analyzer folks say. A more flexible spectral estimate would allow showing nice clean noise floors at the expense of a little measurement time. Cheers, Peter Monta

[Discuss-gnuradio] This looks really hard! -is it really?

2007-09-26 Thread Peter Moreton
Hello, I have rather foolishly offered to 'look into' SDR for an Amateur Radio Astronomy project, simply on the basis that I am a software developer, have some electronics background, and have an FPGA development kit to hand (!). Having had a very quick look at GnuRadio, it looks very powerful,

[Discuss-gnuradio] ComSec Wiki Archives ?

2007-10-08 Thread Rakesh Peter
Eric, Can you make available the archives of the old ComSec wiki in the current wiki ?? There are a lot of things that can be learnt from the development process that happened. I'm currently getting them from (lossy) google cache. May be a separate section as Archives wud be good. 73s Rakesh VU3

Re: [Discuss-gnuradio] youtube videos of gnu radio

2007-11-03 Thread Rakesh Peter
Check this out... (updated!) http://gnuradio.org/trac/wiki/Presentations regards rax On 11/3/07, Ham Radio- Skywarn <[EMAIL PROTECTED]> wrote: > > just wondering if some one could throw up some video's on youtube of > people using gnuradio? maybe the fm reciever wx example? > > thx, > Chris >

Re: [Discuss-gnuradio] swl'ing with gnuradio

2007-11-07 Thread Rakesh Peter
Use the Wayback Machine [ http://www.waybackmachine.org ]... I was able to find most of the content except few images... I do hope Chuck does put it back up again... Regards, rax On Nov 7, 2007 8:32 PM, Firas abbas <[EMAIL PROTECTED]> wrote: > Hi, > > Are you going to put all your old articles

Re: [Discuss-gnuradio] direct conversion compensation

2007-12-09 Thread Peter Monta
table level prior to the receiver, then watching the image frequencies for any tone power, and twiddling the filter to cancel it. Oh, and subtract out the comb before it hits the real receiver. (Pseudonoise could also serve, but it might be less convenient to gener

Re: [Discuss-gnuradio] direct conversion compensation

2007-12-09 Thread Peter Monta
MHz, say, the I and Q still are imbalanced by 1 dB. Cheers, Peter ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio

Re: [Discuss-gnuradio] direct conversion compensation

2007-12-09 Thread Peter Monta
EEPROM. Or is something there already? Cheers, Peter ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio

Re: [Discuss-gnuradio] URSP issue

2008-04-04 Thread Rakesh Peter
Hi... Checkout the page and the links towards the bottom...esp gr-bluetooth implementation by Dominic Spill. http://www.willhackforsushi.com/Home/Entries/2007/10/8_Headset_Attack_Demo_At_SANS_NS2007_Las_Vegas.html Regards, rakesh On Fri, Apr 4, 2008 at 7:48 PM, Mauro Marinho <[EMAIL PROTECTE

Re: [Discuss-gnuradio] DBSRX used for GPS: cycle slip

2008-05-30 Thread Peter Monta
from sudden jumps over temperature, but this doesn't match your experience, since the TCXO is on the motherboard and would affect both dbsrx's equally. Cheers, Peter Monta ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.

[Discuss-gnuradio] Deterministic TX phase on a pair of RFX400

2008-06-02 Thread Peter Volgyesi
he initial problem. Thank you. -- peter ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio

Re: [Discuss-gnuradio] USRP Documentation

2008-06-11 Thread Rakesh Peter
Hello Firas... GREAT EFFORT !!! You really deserve a big round of applause from the whole community !!! I'm sure many people had this in mind and wanted to do something about it, but then you have single-handedly pulled it off !! I'm sure this is a great initiative - along with all the prev. doc

[Discuss-gnuradio] USRP FAQ on Wiki

2008-06-14 Thread Rakesh Peter
Hey Folks The USRP Documentation by Firas has been now wiki-fied at http://www.gnuradio.org/trac/wiki/UsrpFAQ Its now upto everyone in the community to take it up and contribute to make it bigger and better ! I totally believe better piece of documentation can take this project to places...

[Discuss-gnuradio] New Book on GNU Radio

2008-07-29 Thread Rakesh Peter
Just came across this while surfing around... http://www.mhprofessional.com/product.php?isbn=0071498834 ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio

Re: [Discuss-gnuradio] What's wrong with this constellation?

2008-07-29 Thread Peter Monta
probability)? One thing you could try, if the channel permits, is to temporarily hold the AGC fixed to see if that gives a better constellation (perhaps at the wrong size; or if you're using decision feedback, try to get it to the right size :-) ). Cheers, Peter

Re: [Discuss-gnuradio] USB 2.0 extenders

2008-08-06 Thread Rakesh Peter
Interesting, since I was searching on the same today ;) I was planning on taking my WiFi adapter onto a parabolic dish for extending the coverage. I read somewhere about cascading a series of (cheap) USB hubs for getting long distances. I'm not really sure how far that cud go. Any thoughts / exper

[Discuss-gnuradio] GPS L2C transmissions?

2008-08-08 Thread Peter Monta
uld permit dual-frequency receiver software. It would be nice to have a waveform-pair-to-RINEX tool to allow use of the various web services for dual-frequency solutions. Cheers, Peter ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.

Re: [Discuss-gnuradio] GPS L2C transmissions?

2008-08-08 Thread Peter Monta
at to expect with the on-orbit L2C signals over the next year or two. Check out www.gps-sdr.com for more info. Very interesting---thanks! Would you know if there are any open implementations of P/Y semicodeless? Cheers, Peter ___ Discuss-gnu

Re: [Discuss-gnuradio] GPS L2C transmissions?

2008-08-09 Thread Peter Monta
te-of-the-art timing and survey solutions. Finally snagged a dual-frequency antenna on Ebay a few weeks ago, so only software sits between me and centimeter positioning and subnanosecond UTC (or UTC(GPS) or UTC(IGS) anyway). Cheers, Peter ___ Di

Re: [Discuss-gnuradio] New OpenGL-based FFT, Waterfall, and Scope displays in trunk

2008-08-16 Thread Rakesh Peter
Just tested the opengl implementation... Rocks hard ! Update times are really up on my C2D 2.4G E4600 / 2GB / Intel 82G33/G31 / Ubuntu Hardy. Had to do a "make clean" also, since it was reporting some top_block4dump error while running any GR code. Probably a lone case. In Ubuntu, you can get pyth

Re: [Discuss-gnuradio] Question about sampling colored image with TVRX

2008-08-22 Thread Peter Monta
baseband signal, you can translate the video back to centered at DC for carrier acquisition and tracking, VSB filtering, demodulation, and so on. Cheers, Peter ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/l

Re: [Discuss-gnuradio] Use of the GRC visualisation tools without gnuradio USB hardware

2008-08-29 Thread Rakesh Peter
Hi Theo.. In GRC, you can use File Source block for using signals from the sample files. You can also make use of Signal Source, Noise Source, Audio Source (input from sound card) and so on... For visualizing you can have FFT Sink, Oscilloscope Sink, Numeric Sink and so on.. Happy experimenting..

Re: [Discuss-gnuradio] gnu radio with a soundcard

2008-08-31 Thread Rakesh Peter
For Shortwave / HF bands, try ZetaSDR [1], SoftRock [2] or YU1LM [3] designs. Regards, Rakesh [1] http://www.qrz.lt/ly1gp/SDR/ [2] http://www.softrockradio.org/ [3] http://yu1lm.qrpradio.com/ On Sat, Aug 30, 2008 at 11:25 PM, Mathew George <[EMAIL PROTECTED]>wrote: > Hi all, > > Can someone

Re: [Discuss-gnuradio] USRP on 56ft mast: need long USB cable?

2008-11-06 Thread Rakesh Peter
Chris, Marcus had mentioned about experimenting with ICRON Ranger 2101 USB 2.0 Extender for about 150foot. Check out these threads... http://www.nabble.com/ICRON-Ranger-2101-USB-2.0-Extender-td19164474.html http://www.nabble.com/USRP2-Price-td19399125.html (towards the end of the thread) Regards

[Discuss-gnuradio] state of offline signal analysis tools in 2014?

2014-07-16 Thread Peter A. Bigot
the requirements and design for such a thing? Thanks. Peter ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio

Re: [Discuss-gnuradio] state of offline signal analysis tools in 2014?

2014-07-17 Thread Peter A. Bigot
or baudline and its focus on DSP knocks it out of contention for my general needs. On 07/16/2014 09:52 AM, Peter A. Bigot wrote: The sort of capabilities I'm looking for include: Read time-series data from files of different formats (some too large to fit in physical memory). Display the data

[Discuss-gnuradio] comments on stream tags and metadata storage

2014-07-17 Thread Peter A. Bigot
s offset, and only rare cases where it's appropriate to replicate outdated information in a new segment, so (b) seems to be the right move. All the above is based on my understanding and expectations of how stream tags are/should be used. If my understanding is mistaken, please let me know. Pet

Re: [Discuss-gnuradio] comments on stream tags and metadata storage

2014-07-18 Thread Peter A. Bigot
tlsdr_source so I know the sample rate, frequency, gain, and collection time of the signal, and (roughly) where they changed. Mostly because I keep collecting files with captured and processed data for analysis, and have no idea what parameters I used to generate them. Preserving metadata with signal

Re: [Discuss-gnuradio] comments on stream tags and metadata storage

2014-07-25 Thread Peter A. Bigot
ht itch to contribute to a solution, but without community involvement can't hope to provide anything mergable. Is this simply not something anybody feels needs to be addressed, or did I ask in the wrong forum? Peter On 07/17/2014 05:11 PM, Peter A. Bigot wrote: Some comments after play

Re: [Discuss-gnuradio] comments on stream tags and metadata storage

2014-07-25 Thread Peter A. Bigot
On 07/25/2014 09:36 AM, Tom Rondeau wrote: On Fri, Jul 25, 2014 at 10:02 AM, Martin Braun <mailto:martin.br...@ettus.com>> wrote: Hey Peter, you did come to the right place! And no-one here claims that stream tags are "finished". On the other hand, you

Re: [Discuss-gnuradio] comments on stream tags and metadata storage

2014-07-25 Thread Peter A. Bigot
with additional responses to Marcus: On 07/25/2014 08:46 AM, Marcus Müller wrote: Hi Peter, I agree that this is a very relevant topic, and especially the performance of tag handling might prove to be problematic soon... However, it's a bit hard to start a discussion like that; a lot of thi

Re: [Discuss-gnuradio] comments on stream tags and metadata storage

2014-07-26 Thread Peter A. Bigot
dress interpretation and philosophy, not technical issues. On 07/26/2014 05:36 AM, Marcus Müller wrote: Hi Peter, I'm on very limited time and internet, so let me just answer things in-text, shortening where contributing to readability. On 25.07.2014 23:37, Peter A. Bigot wrote: I've added five

Re: [Discuss-gnuradio] comments on stream tags and metadata storage

2014-07-26 Thread Peter A. Bigot
o the issues tracker where Peter set them up and discuss there. Thanks! Thank *you*. To close the loop: I've added comments to http://gnuradio.org/redmine/issues/699 and http://gnuradio.org/redmine/issues/701 that include links to Marcus' email with my response in excerpted conte

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