Re: [Discuss-gnuradio] simultaneous receive/transmit with LFRX/TX

2008-01-22 Thread Eric H. Matlis
A fixed latency is fine, as long as it stays fixed, although I'll want to know what it is. I noticed an example "...looppy" (can't remember the name exactly) which sends and receives on the same USRP; I imagine I can use that version? thanks, eric p.s.- I went ahead and ordered the LFTX boar

Re: [Discuss-gnuradio] simultaneous receive/transmit with LFRX/TX

2008-01-22 Thread Eric H. Matlis
A fixed latency is fine, as long as it stays fixed, although I'll want to know what it is. I noticed an example "...looppy" (can't remember the name exactly) which sends and receives on the same USRP; I imagine I can use that version? thanks, eric p.s.- I went ahead and ordered the LFTX boar

Re: [Discuss-gnuradio] simultaneous receive/transmit with LFRX/TX

2008-01-22 Thread Eric H. Matlis
A fixed latency is fine, as long as it stays fixed, although I'll want to know what it is. I noticed an example "...looppy" (can't remember the name exactly) which sends and receives on the same USRP; I imagine I can use that version? thanks, eric p.s.- I went ahead and ordered the LFTX boar

Re: [Discuss-gnuradio] simultaneous receive/transmit with LFRX/TX

2008-01-22 Thread Eric H. Matlis
A fixed latency is fine, as long as it stays fixed, although I'll want to know what it is. I noticed an example "...looppy" (can't remember the name exactly) which sends and receives on the same USRP; I imagine I can use that version? thanks, eric p.s.- I went ahead and ordered the LFTX boar

Re: [Discuss-gnuradio] simultaneous receive/transmit with LFRX/TX

2008-01-22 Thread Eric Blossom
On Tue, Jan 22, 2008 at 04:41:53PM -0500, [EMAIL PROTECTED] wrote: > Hi all- > > I looked over the mailing list, and I think I see that what I want to do is > possible, but I want to verify before I order the parts: > > I want to receive an AM modulated waveform using an LFRX, demodulate it, > an

Re: WSR08 Software Radio Conference in Karlsruhe, Germany March 5/6, 2008 (was Re: [Discuss-gnuradio] Pentium IV computing power in FLOPS)

2008-01-22 Thread Martin Dvh
John Clark wrote: > Martin Dvh schrieb: >> Vincenzo Pellegrini wrote: >> >>> Thanks Eric. >>> >>> very precious info.. >>> just by the way.. on March 6th, the Soft-DVB work will be presented in >>> Karlsruhe at the WSR08 software defined radio conference. >>> >> I didn't know of WSR08. >> Se

[Discuss-gnuradio] simultaneous receive/transmit with LFRX/TX

2008-01-22 Thread ematlis
Hi all- I looked over the mailing list, and I think I see that what I want to do is possible, but I want to verify before I order the parts: I want to receive an AM modulated waveform using an LFRX, demodulate it, and simultaneously and in a phase-locked way send out the demodulated waveform

Re: WSR08 Software Radio Conference in Karlsruhe, Germany March 5/6, 2008 (was Re: [Discuss-gnuradio] Pentium IV computing power in FLOPS)

2008-01-22 Thread John Clark
Martin Dvh schrieb: Vincenzo Pellegrini wrote: Thanks Eric. very precious info.. just by the way.. on March 6th, the Soft-DVB work will be presented in Karlsruhe at the WSR08 software defined radio conference. I didn't know of WSR08. Seems like a very nice conference about Software

Re: [Discuss-gnuradio] GUI installation problem

2008-01-22 Thread Richard Jaeger
I looked for the gui files. /usr/local/lib/python2.5/site-packages/gnuradio/wxguiexists but it is empty. I get the following results from ./configure Creating gr-wxgui/Makefile Creating gr-wxgui/src/Makefile Creating gr-wxgui/python/Makefile . . . The following... have been successful

WSR08 Software Radio Conference in Karlsruhe, Germany March 5/6, 2008 (was Re: [Discuss-gnuradio] Pentium IV computing power in FLOPS)

2008-01-22 Thread Martin Dvh
Vincenzo Pellegrini wrote: > Thanks Eric. > > very precious info.. > > just by the way.. on March 6th, the Soft-DVB work will be presented in > Karlsruhe at the WSR08 software defined radio conference. I didn't know of WSR08. Seems like a very nice conference about Software Radio. There are thr

Re: [Discuss-gnuradio] Re: Spurious Spikes Seen with usrp_fft.py

2008-01-22 Thread Thomas
John Clark <[EMAIL PROTECTED]> wrote: Thomas schrieb: > Thanks for you reply, Robert. > > I am in the U.S. > > I have used usrp_fft.py to tune to 921.6 MHz, and the spike is still > there at 921.6 MHz. > > I tried powering the USRP from batteries, but the spike was still > there. It was also st

Re: [Discuss-gnuradio] Re: Spurious Spikes Seen with usrp_fft.py

2008-01-22 Thread John Clark
Thomas schrieb: Thanks for you reply, Robert. I am in the U.S. I have used usrp_fft.py to tune to 921.6 MHz, and the spike is still there at 921.6 MHz. I tried powering the USRP from batteries, but the spike was still there. It was also still there using a different computer. I tried using

Re: [Discuss-gnuradio] Re: Spurious Spikes Seen with usrp_fft.py

2008-01-22 Thread ChoJin
On Tue, 22 Jan 2008 10:24:53 -0800 (PST), Thomas wrote: [...] > I positioned the USRP very close to the antenna connected to a real > spectrum analyzer, and I was able to observe the spike on the > spectrum analyzer. I guess the USRP is actually radiating this > frequency. It might go away if

[Discuss-gnuradio] Re: Spurious Spikes Seen with usrp_fft.py

2008-01-22 Thread Thomas
Robert Fitzsimons wrote: Date: Sun, 20 Jan 2008 12:57:57 + From: Robert Fitzsimons Subject: Re: [Discuss-gnuradio] Spurious Spikes Seen with usrp_fft.py To: discuss-gnuradio@gnu.org Message-ID: <[EMAIL PROTECTED]> Content-Type: text/plain; charset=us-ascii Hi Thomas You email never made it i

Re: [Discuss-gnuradio] Missing critical module: "pygtk"

2008-01-22 Thread Josh Blum
It is probably installed, just missing in python path. If you have slocate installed >>>updatedb >>>locate pygtk.py or if not >>>find / -name pygtk.py -print Once, pygtk.py is found, you have to add its path to the pythonpath: /var/lib/python-support/python2.5 is the path on my pc, I dont know

Re: [Discuss-gnuradio] USRP/USB, problems connecting

2008-01-22 Thread Johnathan Corgan
On 1/22/08, Martin Braun <[EMAIL PROTECTED]> wrote: > usb 1-1: new full speed USB device using uhci_hcd and address 12 It looks like your machine is USB 1.1, not 2.0. The USRP requires high speed operation only available with USB 2.0. -- Johnathan Corgan Corgan Enterprises LLC http://corganent

Re: [Discuss-gnuradio] USRP/USB, problems connecting

2008-01-22 Thread Eric Blossom
On Tue, Jan 22, 2008 at 03:27:39PM +0100, Martin Braun wrote: > I'm having problems connecting my USRP to my computer (running Open-Suse > with a 2.6.22.13-0.3-default kernel). I know the USRP works, I've tried > it with another machine (using the same gnuradio-version), and the admin > claims he

RE: [Discuss-gnuradio] Missing critical module: "pygtk"

2008-01-22 Thread JackyYang
Yes, you are right. I gat message: "ImportError : No module named pygtk" What I can do now? I am sure I had select "pygtk2 2.6.3-1" in the Cygwin packages. Have another way to install pygtk when use Cygwin? Thank your answer. -Original Message- From: Josh Blum [mailto:[EMAIL PROTECTED]

Re: [Discuss-gnuradio] Missing critical module: "pygtk"

2008-01-22 Thread Josh Blum
Open a python interpreter shell by typing "python" in the command line. Type "import pygtk" and press enter. What is the error message? Its possible that gtk is not installed. -Josh JackyYang wrote: Hi: When I try to execute "Editor.py". Gives the error message: Missing critical mod

[Discuss-gnuradio] Missing critical module: "pygtk"

2008-01-22 Thread JackyYang
Hi: When I try to execute "Editor.py". Gives the error message: Missing critical module: "pygtk" Exiting! I search old discuss, but that is not much with me. My system stats : Windows + cygwin GnuRadio 3.1.1 GRC 0.69 I am sure the "pygtk2 2.6.3-1" installed. Thanks. __

Re: [Discuss-gnuradio] GUI installation problem

2008-01-22 Thread Martin Braun
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Richard Jaeger schrieb: > The source files all seem to be present in gnuradio/gr-wxgui/src/python Did it all get installed in your python library directory? In my case that's /usr/local/lib/python2.5/site-packages/gnuradio/wxgui/ . That's where you s

[Discuss-gnuradio] GUI installation problem

2008-01-22 Thread Richard Jaeger
I am bringing up gnuradio on a new Linux system running Ubuntu 7.10 and am trying to bootstrap myself up on both Linux and Python. Everything seems to be working except the graphical interfaces. The nogui versions of the examples execute fine. Anything that I try to run that imports one of the

[Discuss-gnuradio] USRP/USB, problems connecting

2008-01-22 Thread Martin Braun
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 I'm having problems connecting my USRP to my computer (running Open-Suse with a 2.6.22.13-0.3-default kernel). I know the USRP works, I've tried it with another machine (using the same gnuradio-version), and the admin claims he hasn't fiddled with the