Re: [Discuss-gnuradio] Problems with fft_sink_f

2006-09-07 Thread Matt Ettus
Erlend Barstad Strand wrote: Hi I am quite fresh on GNU Radio so please exscuse me if ask stupid questions. I simlpy want to view the fft of two sines. Code: " self.src0 = gr.sig_source_f (sampling_freq, gr.GR_SIN_WAVE, 350, ampl) self.src1 = gr.sig_source_f (sampling_freq, gr.GR_SIN_WAVE, 440

Re: [Discuss-gnuradio] mode S ADS-B reception

2006-09-07 Thread Eric Blossom
On Fri, Sep 08, 2006 at 01:58:10AM +0200, Matteo Campanella wrote: > Hi - I have not done anything along that path yet - in June, at the > hamvention in Fredrichshafen I got the chance to see the SBS-1 device > live... it does what we would like to do with the usrp - > http://www.kinetic-avionic

Re: [Discuss-gnuradio] mode S ADS-B reception

2006-09-07 Thread Matteo Campanella
Hi - I have not done anything along that path yet - in June, at the hamvention in Fredrichshafen I got the chance to see the SBS-1 device live... it does what we would like to do with the usrp - http://www.kinetic-avionics.co.uk/ and it was showing alot of traces by only means of the vertical s

[Discuss-gnuradio] Sample alignment between two USRPs

2006-09-07 Thread R and D
Has anyone done any work on getting sample alignment between multiple USRPs? We have multiple USRPs clock-synchronized, but we haven't found a way to set things up so that the different sample streams hit the D/A converters at the same clock. Any suggestions appreciated. :-) __

Re: [Discuss-gnuradio] Eye pattern code for BPSK working

2006-09-07 Thread Johnathan Corgan
Johnathan Corgan wrote: > 2 - Create a ticket on the GNU Radio Trac system, requesting a product > enhancement and outlining what you've done I forgot to mention you'll need to log in first using the 'guest' account with password 'gnuradio'. -Johnathan _

Re: [Discuss-gnuradio] Eye pattern code for BPSK working

2006-09-07 Thread Johnathan Corgan
[EMAIL PROTECTED] wrote: > Finally, after I finish tweaking this, what is the best way to submit the > changes for evaluation and possible incorporation into the next release? If you are doing this work from inside a checked out svn repository, the best way to do this is to 1 - run 'svn diff' f

Re: [Discuss-gnuradio] USRP access via sockets

2006-09-07 Thread Written
I don't know how much it helps my overall problem, but I found a site that has some files that helped me get my bearings. I am able to play the USRP radio on one computer by running a client program on another one. Here's the site: http://alumni.media.mit.edu/~jcooley/gr_experiments/experiments

Re: RE: [Discuss-gnuradio] Trouble with gr_costas_loop_cc

2006-09-07 Thread Eric Blossom
On Thu, Sep 07, 2006 at 10:56:18PM +0800, [EMAIL PROTECTED] wrote: > I've been looking at the bpsk.py code within the gmsk2 folder in > gnuradio-examples. I want to see what the complex signal looks like > before and after the gr_clock_recovery_mm_cc block. (On my version > of a bpsk receiver, I

Re: [Discuss-gnuradio] mode S ADS-B reception

2006-09-07 Thread Eric Blossom
On Thu, Sep 07, 2006 at 10:19:51PM +1000, Hugh Blemings wrote: > Hiya, > > A long long time ago - Thu, 13 Apr 2006 11:46:29 +0200 (CEST) > "Matteo Campanella" <[EMAIL PROTECTED]> wrote: > > > Hello, has anyone tried reception of mode S ADS-B with the usrp/gnuradio? > > This has recently piqued m

Re: [Discuss-gnuradio] GSM SoftPhone

2006-09-07 Thread Eric Blossom
On Thu, Sep 07, 2006 at 12:52:23PM -0700, JoePub wrote: > > Hi All, > > Appologies about the re-post, but the original post wasn't submitted to the > maililing list. > > I have been looking at the USRB for a work project in implementing a > softphone. What are other peoples opinions of using th

[Discuss-gnuradio] GSM SoftPhone (resend - original not sent to mailing list)

2006-09-07 Thread JoePub
Hi All, Appologies about the re-post, but the original post wasn't submitted to the maililing list. I have been looking at the USRB for a work project in implementing a softphone. What are other peoples opinions of using the USRB for developing a software based GSM cell phone. The reason I ask

[Discuss-gnuradio] Eye pattern code for BPSK working

2006-09-07 Thread wxwize
I've got a modification to scopesink.py, gr_trigger_mode.h, and gr_oscope_guts.cc to allow viewing of an eye pattern. I added an "eye" trigger mode selection to the trigger menu, and an eye trigger mode that triggers on either a rising or falling edge (rather than only on one or the other). Wh

Re: RE: [Discuss-gnuradio] Trouble with gr_costas_loop_cc

2006-09-07 Thread wxwize
I've been looking at the bpsk.py code within the gmsk2 folder in gnuradio-examples. I want to see what the complex signal looks like before and after the gr_clock_recovery_mm_cc block. (On my version of a bpsk receiver, I'm not able to get anything that makes sense to me out of the Mueller and

[Discuss-gnuradio] Problems with fft_sink_f

2006-09-07 Thread Erlend Barstad Strand
Hi I am quite fresh on GNU Radio so please exscuse me if ask stupid questions. I simlpy want to view the fft of two sines. Code: " self.src0 = gr.sig_source_f (sampling_freq, gr.GR_SIN_WAVE, 350, ampl) self.src1 = gr.sig_source_f (sampling_freq, gr.GR_SIN_WAVE, 440, ampl) self.src = gr.add_ff ()

Re: [Discuss-gnuradio] mode S ADS-B reception

2006-09-07 Thread Hugh Blemings
Hiya, A long long time ago - Thu, 13 Apr 2006 11:46:29 +0200 (CEST) "Matteo Campanella" <[EMAIL PROTECTED]> wrote: > Hello, has anyone tried reception of mode S ADS-B with the usrp/gnuradio? This has recently piqued my interest too but didn't see any response to Matteo's query. Has anyone look

[Discuss-gnuradio] GPS Implementation

2006-09-07 Thread [EMAIL PROTECTED]
Hello, my name is Marco Gallo and I am quite new to the forum. I am interested in SDR development specially reguarding the GPS application. I would like to know if it is possible to use mobile phones' ADC for converting GPS signals for evaluatic static position only. I do not know if it is possib

[Discuss-gnuradio] USB Error?

2006-09-07 Thread Andrew Borg
Hi. I'm trying to get GnuRadio working using USRP. I've managed to get all the software installed as required. However, when I run usrp_wfm_rcv.py I get noise and nothing else on all channels. Both the GUI version and the no_gui version do this with the GUI version showing no clear peaks on