[Discuss-gnuradio] the gnuradio ofdm receiver

2010-02-09 Thread bin zan
Hi, 1.Any one can tell me in gnuradio OFDM, after ofdm_sync block, what are the data looks like? 2. Does the output go through FFT operation already? If not, when does the FFT actually actually come ? Does it after the ofdm_sampler block? If yes, how can I actually get these data? And, how can I

[Discuss-gnuradio] Wanted used USRP

2010-02-09 Thread Justin Kelly
Is anyone here upgrading to a USRP2, and interested in selling their used USRP? ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio

[Discuss-gnuradio] sync_to_pps

2010-02-09 Thread Subbu Meiyappan
Hello, I recently purchased a USRP2 and have been trying to find the documentation/examples on how to use the PPS functionality to timestamp received data (with the PPS connected to a 1sec trigger source). So far, I have not been able to find any examples of using this functionality. If I am star

Re: [Discuss-gnuradio] MacPorts and GNU Radio 32-bit

2010-02-09 Thread Michael Dickens
Thank you Marcel for mentioning that "little" detail: before trying MacPorts out, if it's already installed, you'll want to do what he wrote below in order to get the latest portfiles w/ patches & such. Hopefully that will solve your issue Kunal; if not, let me know. % sudo port selfupdate

Re: [Discuss-gnuradio] MacPorts and GNU Radio 32-bit

2010-02-09 Thread Marcel Maatkamp
I had the same error, but by upgrading port and cleaning gnuradio this error went away: % sudo port selfupdate % sudo port upgrade outdated % sudo port clean gnuradio % sudo port install gnuradio After that it somehow still tries to install wxPython and will halt with this error: Error: Tar

Re: [Discuss-gnuradio] Is there a difference between the RFX900 and FLEX900 daughter boards?

2010-02-09 Thread Matt Ettus
On 02/09/2010 02:56 PM, Colby Boyer wrote: I'm not too familiar with the naming conventions and I could not find a reference to the FLEX900 and the Ettus research website. If they are different, is the frequency tuning range different? The RFX-series was originally called the FLEX-series, but

[Discuss-gnuradio] Is there a difference between the RFX900 and FLEX900 daughter boards?

2010-02-09 Thread Colby Boyer
I'm not too familiar with the naming conventions and I could not find a reference to the FLEX900 and the Ettus research website. If they are different, is the frequency tuning range different? Thanks, -Colby ___ Discuss-gnuradio mailing list Discuss-gnu

Re: [Discuss-gnuradio] MacPorts and GNU Radio 32-bit

2010-02-09 Thread Kunal Kandekar
Hi, As another OS X + GNU Radio user, I really appreciate your efforts! I tried running "sudo port install gnuradio" on my MacBook Pro running 10.6.2. It fails with the following error: libtool: compile: /usr/bin/gcc-4.2 -DHAVE_CONFIG_H -I. -I../../../.. -DOMNITHREAD_POSIX=1 -I/opt/local/in

[Discuss-gnuradio] Re: gr-noaa HRPT results

2010-02-09 Thread Markus Kern
That's awesome work you guys are doing Johnathan! Hopefully I will soon have the time to build the neccessary hardware and give gr-noaa a try. Please keep up your great work! All the best, Markus On 09.02.2010, 17:19 Johnathan Corgan wrote: > On Tue, 2010-02-09 at 16:15 +0100, Markus Kern w

Re: [Discuss-gnuradio] Cannot Access new USRP2 from Ubuntu 9.10

2010-02-09 Thread Omid F
Thanks for the suggestion. I tried wireshark. I didn't see any packages going out when I called "sudo find_usrps". How do I make sure gnuradio is installed properly? The installation seemed to go smoothly, and I am able to run grc (gnuradio-companion). Thanks, Omid On Mon, Feb 8, 2010 at 5:45 PM,

Re: [Discuss-gnuradio] USRP2 WBX selecting the antenna

2010-02-09 Thread Matt Ettus
On 02/09/2010 10:00 AM, Charles Brain wrote: Hello, I just got my USRP2 and WBX today and am trying to test it. find_usrps finds it, and usrp2_fft.py produces a spectrum display but when I generate a low level signal I don't see it on the display. I have looked at the schematic and it seems to

[Discuss-gnuradio] USRP2 WBX selecting the antenna

2010-02-09 Thread Charles Brain
Hello, I just got my USRP2 and WBX today and am trying to test it. find_usrps finds it, and usrp2_fft.py produces a spectrum display but when I generate a low level signal I don't see it on the display. I have looked at the schematic and it seems to indicate I have not selected the antenna i

Re: [Discuss-gnuradio] MacPorts and GNU Radio 32-bit

2010-02-09 Thread Michael Dickens
I've checked in MacPorts modifications that should allow for installing GNU Radio 3.2.2 via MacPorts on 10.5 (Intel or PPC; 32 or 64 bit; "universal" too) or 10.6 (32 or 64 bit, except for gr-wxgui since it relies on wxPython which doesn't have a 64-bit compatible version yet; wxWidgets 2.9

[Discuss-gnuradio] how to test ber in a FH system

2010-02-09 Thread nansai hu
Hi,all I need to do a ber test and my current system is based on frequence hopping. I think I should send a random 01 bit sequence at the transmiter side and then,obsever the received bit sequence. In next step,when campare the two sequence in order, how decided the order?or how to do the Sync in

[Discuss-gnuradio] gr-noaa HRPT results

2010-02-09 Thread Johnathan Corgan
On Tue, 2010-02-09 at 16:15 +0100, Markus Kern wrote: > That looks impressive! Is there any documentation on the RF front end > you used? Can the DBSRX be used directly with a suitable antenna? Dave Hartzell, Mark Foster, and I have three different antennas that we've been experimenting with. We

Re: [Discuss-gnuradio] free USRP (has a new home)

2010-02-09 Thread Markus Kern
On 09.02.2010, 05:26 Johnathan Corgan wrote: > On Tue, 2010-02-09 at 03:01 +0100, Markus Kern wrote: >> Great choice! I have used the USRP to receive NOAA APT signals before >> (with one of Jerry's antenna designs it seems, incidentally). Very >> curious what he is going to do with it :) > BTW

[Discuss-gnuradio] Using Python to communicate a GNU Radio process with a Click Modular Router process

2010-02-09 Thread Juan Ramon Gutierrez Agullo
Hi everyone I'm a student from the University Miguel Hernandez (www.umh.es). I'm trying to understand how to communicate a GNU Radio process (802.11a PHY transmitter) with a Click Modular Router process (802.11a MAC-state machine). I've been reading for a while the mailing list, and some papers re