Re: [Discuss-gnuradio] OFDM update

All resolvable with in-band signaling and RSSI with feedback to agc hardware and software. I know, I know, I am a broken record. Bob Tom Rondeau wrote: Matt and I have had a bit of a chance to work out some kinks in the OFDM world. My latest merge should allow people to operate over the air

Re: [Discuss-gnuradio] 64 bit vs 32 bit

I just loaded 64 bit Ubuntu on my new supercomputer (Core 2 Quad Extreme) but I have not tried the usrp yet to see if it is found. When you plug in the usrp, have you looked at the enumeration with some tool like usbview (available with apt-get or synaptic)? Bob Chris Stankevitz wrote:

Re: [Discuss-gnuradio] Exploring Gnu Radio

Johnathan Corgan wrote: Bob McGwier wrote: The png's in the docs/exploring gnu radio directory are corrupted. I cannot read them with gimp or any other other tool. File run on them says they are PNG corrupted files. Okay, confirmed here. These haven't changed in literally years. I just c

[Discuss-gnuradio] Ya'll come on down now ya hear (TAPR DCC)

26th Annual ARRL/TAPR Digital Communications Conference September 28-30, 2007 Hartford, CT http://www.tapr.org/dcc -- -- -- -- -- -- -- -- -- Announcements: A total of 18 papers have been submitted for a total of 158 pages. Titles and authors are listed below. Thank you to all the authors! T

Re: [Discuss-gnuradio] Basic Bandwidth math

The adjacent channel interference will be horrendous since one channel overlaps the next door neighbor by 50 Hz. Bob Eric Blossom wrote: On Thu, Sep 06, 2007 at 11:56:30AM -0400, Jeffrey Karrels wrote: Ok. I am having a world of problems today, the main one being determining if it is my issu

Re: [Discuss-gnuradio] Basic Bandwidth math

Never mind. My math mind is as bad as yours today. There is 150 Hz of separation between what I assume is the 3 dB points. Sorry Bob Robert McGwier wrote: The adjacent channel interference will be horrendous since one channel overlaps the next door neighbor by 50 Hz. Bob Eric Blossom

Re: [Discuss-gnuradio] GNU Radio multicore support

But why would this be true if you were to use a thread pool? Bob Eric Blossom wrote: On Fri, Sep 14, 2007 at 01:32:33PM -0700, Dan Halperin wrote: Hi, Old documentation on GNU radio says that it would have transparent SMP/multicore/SMT support for signal processing by version 2.x; on 20 Mar

Re: [Discuss-gnuradio] Bug in gr_quadrature_demod_cf, or scheduler?

When I wrote a fast atan table look algorithm a long time ago ( and I have no recollection if our stuff traces its ancestry to that or not) I picked the table size for my problem at the time. There is a large speed up using the table lookup algorithm even on today's machines but there is no re

Re: [Discuss-gnuradio] Vista, Xp, or Linux?

On the ubuntu live cd (the installation CD) use gparted. It is already there and ready for that purpose without having to resort to "your favorite bittorrent copy" of partition magic. Bob Eng. Firas wrote: Hi, I suggest you run partition magic and divide your hard disk into a new partitio

[Discuss-gnuradio] PS3 Success at last

A month or so ago Eric found a compiler bug that prevented swig and python from playing together well on the PS3. As Eric has told you, we have been working on the kernel and Eric almost has the install down pat and documented sufficiently well to tell everyone how. I have been steadily beati

[Discuss-gnuradio] USRP on PS3 works

Again using portaudio the following is a screen shot of the stereo FM receiver (tuned to nothing). I will put it on the air and do it again but it is working. There were no "aUaU" with the exception of the creation of the windows time and after that, no drops. I am displaying the x window re

Re: [Discuss-gnuradio] PS3 versus freedom

John: We are not using xlc and are not likely to use xlc. We are using the free parts of the SDK including spu-gcc and ppu-gcc for example. For this project in fact, we cannot distribute any code built with xlc. However, nothing about the gpl prohibits individuals from using xlc to generat

Re: [Discuss-gnuradio] PS3 versus freedom

support a window manager with any serious capability). I suggest that we do exactly what your note suggests and stick to what the thing is capable of delivering to use with free tools. Bob Robert McGwier wrote: John: We are not using xlc and are not likely to use xlc. We are using the free

Re: [Discuss-gnuradio] PS3 versus freedom

Brian Padalino wrote: On 10/9/07, Robert McGwier <[EMAIL PROTECTED]> wrote: ... However, nothing about the gpl prohibits individuals from using xlc to generate binaries for their own use so long as they do not distribute the binary. ... This is more for curiosity than anything, but wh

[Discuss-gnuradio] Re: [hpsdr] Allen Array goes online today (Thursday Oct 11)

Philip Covington wrote: * High Performance Software Defined Radio Discussion List * 73 Phil N8VB ___ http://n4hy.smugmug.com/gallery/3634776 and a great time was had by

[Discuss-gnuradio] Re: [hpsdr] Allen Array goes online today (Thursday Oct 11)

. ;-). Bob N4HY Robert McGwier wrote: Philip Covington wrote: * High Performance Software Defined Radio Discussion List * <http://www.technologynewsdaily.com/node/8209> <http://www.seti.org/> 73 Phil N8VB ___ http://n4hy.smugmug

[Discuss-gnuradio] AMSAT Meeting in Philadelphia

The Radio Amateur Satellite Corporation, Inc. (AMSAT), a non-profit 501c3 organization in the U.S. which designs, builds, launches satellites for the use of radio amateurs worldwide is holding its annual meeting in Pittsburgh, Pa. this coming weekend. http://www.amsat.org/amsat-new/symposium/2007/

[Discuss-gnuradio] AMSAT Meeting in PITTSBURGH (not Philly)

Sorry! I typed Philadelphia (where I was last weekend) and I meant Pittsburgh, Pa which is indicated on the links. Ooops. Bob ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio

Re: [Discuss-gnuradio] ps3 performance

This and other questions. You are not doing something right. Just using the spe's for fft's we will see a huge speed up in gnuradio. I can run filter, NCO, baud clock and carrier recovery, and equalizer on the cell on 40 Mbaud signals. Trying getting that out of a (Intel) cola nut. We can

Re: [Discuss-gnuradio] Radiation Pattern

C S Nagaraj wrote: Hi, Could anybody provide me the radiation pattern for LP0296 PCB log periodic antenna that is used with DSBRX. Regards, Raj I asked the designer for the pattern (his amateur radio callsign is that cryptic signature on the antenna). Bob -- AMSAT Director and VP Eng

[Discuss-gnuradio] gr_math.h addition, SDR Forum

I made an addition to gr_math.h today in an attempt to get some stalls for branching out of code where we have an if statement run on every bleeding sample. gr_branchless_clipping is the new addition to gr_math as a static inline float. It may surprise that calls to fabs and multiple addition

[Discuss-gnuradio] Star-10 Transceiver article in QEX

Dear QEX Editor: Cornell Drentea, designer of Dentron amplifiers, and one of the many who claim to have invented DDS referenced PLL's (he has as good a case as any) has shown a beautiful example of serious professional engineering in his Star-10 article and he is to be congratulated on a brill

Re: [Discuss-gnuradio] RE: Finished Unofficial Gnuradio User Manual

Firas: We need a tracking mechanism and way to submit corrections, additions, upgrades as a community and to track "who did what to whom". You have done a fantastic job of starting this but we need to already plan while the "Arnold Dumey microsecond" has not passed for AF (After Firas) and wouldn

Re: [Discuss-gnuradio] GNURadio over PS3

Vincenzo Pellegrini wrote: > hi everybody, > > It would be incredibly useful to me if somebody could suggest a link to > some resources explaining all that has currently been achieved by using > "GNURadio over Fedora over PS3", and how much advantage does the current > GNURadio release take of the

[Discuss-gnuradio] OLPC

This is sent with my OLPC. What a great idea this project is. It goes to show what can be acccomplished ny dedicated individuals, something familiar to a lot of people in these two groups. The thing does appear to have sufficient horsepower to do some DSP. I would like to think we can make seve

[Discuss-gnuradio] A few volunteers needed

I am putting out a call for volunteers to help with some specific prototyping tasks that AMSAT needs to do in the early part of 2008. http://www.amsat.org for those unfamiliar with the organization. The skills needed are 1) TIME ;-) 2) I need FPGA programming help for a Virtex 2. It will be u

Re: [Discuss-gnuradio] OLPC - next generation with SDR?

John Gilmore wrote: >> The thing does appear to have sufficient horsepower to do some DSP. >> I would like to think we can make several things available to this >> project. For example, I think a tunable HF receiver for shortwave AM >> broadcast is easiy achievable for very modest cost. Further ou

Re: [Discuss-gnuradio] OLPC - next generation with SDR?

Frank Brickle wrote: > On Dec 24, 2007 5:11 PM, John Gilmore <[EMAIL PROTECTED] > > wrote: > > The Odyssey board operates at 10MHz IF; so wouldn't it need an external > tuner? > > > Yes, but many different tuners (band sets) can be serviced by the same > IF proc

[Discuss-gnuradio] Fedora 8 on PS3

http://www.gnuradio.org/trac/wiki/PS3FC8Install ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio

[Discuss-gnuradio] qwt qt4.3.4

Trolltech has just released qt4.3.4. This solved 1/2 of the problems I have experienced. The remainder of the problems building and installing Qwt were caused by following the QWT directions. Do not just type qmake as told to do in the INSTALL file. It picks the one done for Windows. Type qma

Re: [Discuss-gnuradio] gnuradio from trunk fails to build - typo in changeset 8188

Sorry about that. I must have dreamed I did a make! Bob On Sat, Apr 12, 2008 at 11:47 AM, Johnathan Corgan <[EMAIL PROTECTED]> wrote: > On Sat, Apr 12, 2008 at 4:39 AM, Tobias Gresch <[EMAIL PROTECTED]> wrote: > > > I checked out the latest gnuradio version from trunk and it fails to build >

[Discuss-gnuradio] Re: MP scheduler performance scaling

On Sun, Jul 20, 2008 at 12:08 AM, Eric Blossom <[EMAIL PROTECTED]> wrote: > I've collected scaling data on several machines and it looks good! > > Executive summary: > > All your core are belong to us! > I are more than pleased. ;-) > > Eric > Bob

Re: [Discuss-gnuradio] GNU-Radio GUI applications freeze

As Matt is so fond of pointing, I LOVE to install new toys. I have F 8,9, Ubuntu 8.04 with F8 and F9 on x86, x86_64, PPC, and Cell. I have Ubuntu 8.04 on x86, x86_64. They all do gnuradio. Bob On Mon, Sep 8, 2008 at 7:56 PM, Eric Blossom <[EMAIL PROTECTED]> wrote: > Fedora 7, 8, and 9 are k

Re: [Discuss-gnuradio] USRP2 Price

Matt has been really pushing to get the USRP2 perfect and out. He has ordered lots of them now and while I have no first hand knowledge, I would suspect that the WBX0510 has slid linearly in time with the slide of the USRP2. Matt would have to comment on this directly as I have no first hand know

Re: [Discuss-gnuradio] Important: New trunk dependency: GSL

In gnuradio-core, there will be new filter bank technology introduced that will use gsl to accomplish the debauchery of the indices in compact readable form. We are about to use gsl to compute discrete wavelet transforms. There are others but these suffice. One could always replace the underlyi

[Discuss-gnuradio] Where's Waldo Ettus? At IEEE DySpan in Chicago of course!

http://www.youtube.com/watch?v=KOgjkSzFzOI ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio

[Discuss-gnuradio] Ubuntu 8.10

I am too lazy to check to see if this has been commented on before. The boost, qwt,qt, qwtplot3d, swig, etc. in the Ubuntu 8.10 (Illness Incarnate), support the new requirements of the current svn level through configure, make, and make check. Bob _

[Discuss-gnuradio] USRP2 SD Card rewrite

On October 25 Matt wrote: " Build the firmware by running make in the gnuradio/usrp2 directory Insert the SD card into the card reader, and the card reader into a USB port on your computer Run "sudo u2_flash_tool --dev=/dev/ -t s/w usrp2/firmware/txrx.bin -w" /dev/ has to

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