Re: [Discuss-gnuradio] Anyone do you know good GPS receiver Method?

Positioning. :-) On Tue, Nov 29, 2011 at 9:55 AM, Wolfarth, Ryan wrote: > I had never heard of fastGPS; sounds pretty useful. What is the end goal > for your receiver? > > Ryan > > > On Tue, Nov 29, 2011 at 5:10 AM, Nick Othieno wrote: > >> I am using

Re: [Discuss-gnuradio] Anyone do you know good GPS receiver Method?

I am using fastGPS to do the correlation as well as writing my own MATLAB correlation scripts. Nick On Fri, Nov 25, 2011 at 8:40 PM, Nick Foster wrote: > On Fri, Nov 25, 2011 at 7:01 AM, Nick Othieno > wrote: > > Hi Ryan, > > > > What did you use for your setup, ie dau

Re: [Discuss-gnuradio] Anyone do you know good GPS receiver Method?

Hi Ryan, What did you use for your setup, ie daughterboards, antenna and LNA (if you do not mind my asking). I have been trying a setup for months that uses a DBSRX2 and a mighty mouse 2 antenna only, but I have never been able to acquire the L1 signal. I am wondering where I have gone wrong in th

Re: [Discuss-gnuradio] Vec Length

not able to find the class that has the implementation of the member function real() in it. Nick On Thu, May 12, 2011 at 1:34 PM, Josh Blum wrote: > > > On 05/12/2011 10:18 AM, Nick Othieno wrote: > > Hi all, > > > > What does the Vec Length parameter signify in gnu

Re: [Discuss-gnuradio] Vec Length

I guessed so. However, I am stumped as to how to make my complex short a real short. Do I have to write my own code or is there a gnuradio-companion method? Nick On Thu, May 12, 2011 at 1:34 PM, Josh Blum wrote: > > > On 05/12/2011 10:18 AM, Nick Othieno wrote: > > Hi all, &g

[Discuss-gnuradio] Vec Length

Hi all, What does the Vec Length parameter signify in gnuradio-companion blocks? I have realized that Vec Length for the USRP2 source is by default 2 and cannot be changed on the GUI. How can this be changed to 1? In my case, I have set the USRP2 UHD source Input Type to Short. I am assuming that

[Discuss-gnuradio] A software-defined GPS and Galileo receiver: a single-frequency approach

Hi all, Has anyone successfully used the USRP2 (or even USRP) to capture GPS L1 signals that were decoded by the MATLAB software receiver in the book *A software-defined GPS and Galileo receiver: a single-frequency approach*? If yes, what USRP(2) config was used, and what data conversion techniqu

Re: [Discuss-gnuradio] Decimation Rate with a fraction part

Thanks MB. On Fri, Mar 4, 2011 at 9:51 AM, Martin Braun wrote: > On Fri, Mar 04, 2011 at 08:51:28AM -0500, Nick Othieno wrote: > > Thanks guys. The ideas looks theoretically sound, but for some reason the > grc > > setup I have created does not seem to like the

Re: [Discuss-gnuradio] Correctly installing UHD in Fedora 14 64-bit

Oops! My bad :-) On Fri, Mar 4, 2011 at 12:19 PM, Josh Blum wrote: > > > On 03/04/2011 06:02 AM, Nick Othieno wrote: > > Hi all, > > > > Has anyone managed to get gnuradio working correctly with the UHD driver > on > > 64-bit Fedora 14. I have installed U

[Discuss-gnuradio] Correctly installing UHD in Fedora 14 64-bit

Hi all, Has anyone managed to get gnuradio working correctly with the UHD driver on 64-bit Fedora 14. I have installed UHD (correctly I assume) in my 64-bit Fedora 14 box, but configure cannot detect it for some reason. I made sure that the path to libuhd.so was included in ldconfig path. In fed

Re: [Discuss-gnuradio] Decimation Rate with a fraction part

:39 PM, Ed Criscuolo wrote: > On 3/3/11 3:04 PM, Nick Othieno wrote: > >> Hi all, >> >> I would like to get an output of 16.3676 Ms/s. Is it then possible to >> set a decimation values of 6.109631223? I am wondering whether >> decimation values have to be whole n

[Discuss-gnuradio] Decimation Rate with a fraction part

Hi all, I would like to get an output of 16.3676 Ms/s. Is it then possible to set a decimation values of 6.109631223? I am wondering whether decimation values have to be whole numbers, or whether decimation values with fraction parts are allowed. The reason for this is that I am trying to mimic t

Re: [Discuss-gnuradio] Don't find some primitive

Where does one get the uhd version of the FPGA sources? Nick On Wed, Feb 16, 2011 at 12:39 PM, Matt Ettus wrote: > On 02/16/2011 09:33 AM, Gabriel Morel wrote: > > Hi, I finally managed to run ISE 10.1 on Linux to compile the raw > > internet version of the fpga project, > > but when I call 'ma

Re: [Discuss-gnuradio] IS USRP safe for the human body?

Do I sense a Marie Curie in the making?\ On Tue, Feb 8, 2011 at 2:03 AM, Matt Ettus wrote: > On 02/07/2011 10:17 PM, Songsong Gee wrote: > >> I'm trying to make an intra-body communication system with the USRP >> Thus, I want to attach TX cable onto the human body skin >> and transmit signals t

Re: [Discuss-gnuradio] UHD graph for simple FFT

Hi Marcus, The file is unavailable. Nick On Fri, Jan 28, 2011 at 4:30 PM, Marcus D. Leech wrote: > Here's a simple UHD FFT flow-graph that is reasonably > dynamically-configurable: > > http://www.srbac.org/files/uhd_fft.grc > > Cheers > > -- > Marcus Leech > Principal Investigator > Shirleys B

Re: [Discuss-gnuradio] Re: Changing quantization levels in USRP2

yup! That's it. Can it be changed programmatically? On Thu, Jan 27, 2011 at 10:49 AM, Tom Rondeau wrote: > On Thu, Jan 27, 2011 at 10:22 AM, Nick Othieno > wrote: > > Hi, > > > > Any USRP2 experts out there able to help out? > > > > Nick > > &g

[Discuss-gnuradio] Re: Changing quantization levels in USRP2

Hi, Any USRP2 experts out there able to help out? Nick On Wed, Jan 26, 2011 at 2:33 PM, Nick Othieno wrote: > Hi, > > Is it possible to change the number of quantization levels on a USRP2 with > a DBSRX2 card? If yes, how is it do

[Discuss-gnuradio] Changing quantization levels in USRP2

Hi, Is it possible to change the number of quantization levels on a USRP2 with a DBSRX2 card? If yes, how is it done? Nick ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio

[Discuss-gnuradio] LPDA orientation when receiving GPS signals on USRP2

Hi everyone, Does anyone know what the orientation of an LPDA (log periodic dipole antenna) should be when receiving GPS signals? Should the up-most element be the longest one, or should it be the shortest one? In other words ___

[Discuss-gnuradio] Unofficial Gnuradio Installation Procedure for Newbies on Fedora 14

A little something to help along the newcomers like me :-) Unoffical installation guide for gnuradio on Fedora 14, January 2011 (Note the gnuradio installation procedure may change and hence render this guide unusable) ===

[Discuss-gnuradio] The (in)famous channel 0 not receiving error

Hi everyone, I recently compiled and installed gnuradio. I then tried to find the usrp2: #find_usrps 00:50:c2:85::3b:5c hw_rev = 0x0400 Next I tried to plot an FFT of the GPS L1 signal (note that my daughterboard is a dbsrx2) #usrp2_fft.py -f 1.57542G usrp2: channel 0 not receiving usrp2::rx_s

[Discuss-gnuradio] Correct directory structure for /gnuradio/usrp2/fpga

Hi, I am in the process of compiling gnuradio for a USRP2 and when looking into the directory ./gnuradio/usrp2/fpga I came across a single README that had the contents: [gnura...@localhost fpga]$ cat README The FPGA directory that used to be here is now hosted at: git://ettus.sourcerepo.com/ett

Re: [Discuss-gnuradio] how to get started using UHD

Hi Jos, Output of git describe v3.3.1git-831-gbb438e7 However, I eventually saw gr-uhd. It did appear though I do not know when because I rerun the commands just to confirm. Thanks! Nick On Mon, Jan 10, 2011 at 6:28 PM, Josh Blum wrote: > > > [gnura...@localhost gnuradio]$ git branch --trac

Re: [Discuss-gnuradio] how to get started using UHD

Hi, I am trying to do the same thing and I realize exactly what his question is, since the results of the commands I am running do not seem to be leading me anywhere. Please read on :-) I have uhd already compiled and installed. Next I want to do the gr-uhd step so I try: git clone http://gnurad

Re: [Discuss-gnuradio] USRP2 & DBSRX2

On Mon, Jan 10, 2011 at 12:04 PM, Ben Ahrens wrote: >> >> Dig these two links, in order: >> http://code.ettus.com/redmine/ettus/projects/uhd/wiki >> http://www.ettus.com/uhd_docs/manual/html/build.html >> >> Then just install gnuradio as usual. >> >&

Re: [Discuss-gnuradio] USRP2 & DBSRX2

Thanks for the info. I will look into that ASAP! On Mon, Jan 10, 2011 at 12:16 PM, Marcus D. Leech wrote: > On 01/10/2011 11:43 AM, Nick Othieno wrote: > >> Wow. Slow down there. I am a newbie. >> >> I downloaded and compiled the gnuradio code sometime in late Decembe

Re: [Discuss-gnuradio] USRP2 & DBSRX2

Wow. Slow down there. I am a newbie. I downloaded and compiled the gnuradio code sometime in late December 2010. However from your response, I am guessing I should first download (checkout), compile and install UHD, then finally compile and install gnuradio. (Just thinking aloud here but a confirm

[Discuss-gnuradio] USRP2 & DBSRX2

Hi everyone, Does one have to make any changes to the hardware when working with a DBSRX2 and a USRP2, as was the case with the original DBSRX? Are there any python examples that demonstrate how to work with the DBSRX2 on the USRP2? Nick ___ Discuss-gn

Re: [Discuss-gnuradio] Can someone please help-Correct info about the problem

Yup that sounds like it. I have only 256MB of RAM. I'll try and get a 512MB chip. Maybe that'll help On 8/4/07, Eric Blossom <[EMAIL PROTECTED]> wrote: > > On Sat, Aug 04, 2007 at 09:54:01AM +0300, Nick Othieno wrote: > > I have been trying to compile gnuradio

[Discuss-gnuradio] Can someone please help-Correct info about the problem

I have been trying to compile gnuradio on FC5 but when the compile reaches this point it kind of hangs. gnuradio_swig_python.cc:3995: warning: dereferencing type-punned pointer will break strict-aliasing rules It doesn't go beyond the above point and there is lots of disk activity. I even

[Discuss-gnuradio] Can someone please help

I have been trying to compile gnuradio on FC5 but I get the following error: gnuradio_swig_python.cc:3995: warning: dereferencing type-punned pointer will break strict-aliasing rules I have correctly yum installed all the needed packages. Nick ___ Disc

[Discuss-gnuradio] Getting tar balls

I've been looking for the latest tar balls for the gnuradio components-gr-usrp,gr-audio-alsa,gr-wxgui,usrp,gr-usrp etc. The GNU radio wiki seems of no help. Where can I find them ___ Discuss-gnuradio mailing lis