Re: Help on

2022-03-28 Thread Robert McGwier
GnuRadio is so good it can even do magic. 🤓 On Mon, Mar 28, 2022, 2:01 AM Lorenzo Mainardi wrote: > As last resource I tried to update the libraries and the problem is > magically solved. > Thank you everyone for the support. > > Il dom 27 mar 2022, 18:46 Lorenzo Mainardi ha > scritto: > >> He

Re: Radio Astronomy Raspberry Pi image with GNU Radio 3.10.1

2022-02-25 Thread Robert McGwier
Great news On Friday, February 25, 2022, Glen Langston wrote: > Hello Aficionados, > > Franco Venturi has been busy cleaning up the Raspberry Pi Operating > system for use with Radio Astronomy. GnuRadio version 3.10.1.1 is > installed in the > Raspberry Pi operating system is now on the cutt

Re: Problem with GFSK Mod and Demod example from wiki

2021-08-22 Thread Robert McGwier
It appears to me you have a rectangular or wideband filter and not Gaussian with a filter shape that smooths the pulses and restricts the bandwidth. If you take the FFT of the signal you have on the left over many bauds, you will see an approximate sin(x)/x appearing shape. Bob On Fri, Aug 20,

Re: digital communication undergraduate course

2021-01-11 Thread Robert McGwier
What a wonderful service for many. Thank you so much for sharing. Dr. Robert W McGwier, Ph.D. Adjunct Faculty, Virginia Tech ARDC Member of Board ARS: N4HY ARRL, AMSAT, AAVSO, TAPR, SkyHub On Sat, Jan 9, 2021, 3:52 PM jean-michel.fri...@femto-st.fr < jean-michel.fri...@femto-st.fr> wrote: > De

Re: [Discuss-gnuradio] GNU Radio Project Leadership Updates

2018-01-31 Thread Robert McGwier
Thank you Jonathan. I hope you have more time to enjoy your airplane and amateur radio! Welcome to all the other "old" new people taking on great roles. We appreciate it. Bob On Wed, Jan 31, 2018 at 3:24 PM, Ben Hilburn wrote: > Hi all! > > As usual, there is a lot going on in the project a

Re: [Discuss-gnuradio] OFDM channel tap questions

2018-01-25 Thread Robert McGwier
Orthogonality (as the O in OFDM) guarantees a fixed phase relationship for every symbol unless a pattern is introduced in an effort to reduce peak to average power ratio (which I do not believe is happening here). PAPR is bane of OFDM and much research has gone in to reduce this problem which requ

Re: [Discuss-gnuradio] Using Correlate Estimation with hardware

2017-08-28 Thread Robert McGwier
Sebastian What center frequency did you use? What RF cards are you using? Are you using coaxial cable,to connect transmit to receive or are you transmitting and receiving through an antenna? If you are using antennas please describe them. Cheers Bob Bob On Aug 26, 2017 12:12 PM, "Sebastian"

Re: [Discuss-gnuradio] Simulating non linearity and distortion

2017-08-26 Thread Robert McGwier
And one of the best talks Matt Ettus has ever given was his talk on learning about impairments using gnuradio. See if you can dig that up or maybe someone can point to it that has a better memory than mine. Bob On Aug 18, 2017 1:45 PM, "Marcus Müller" wrote: > Yes. There's a whole category "i

Re: [Discuss-gnuradio] Help understanding AX.25 encoding and tagged streams

2017-08-26 Thread Robert McGwier
At one time rational resampling meant that the interpolation and decimation were each integers so the rate change is the ratio of two integers and thus rational. If one or more of your inputs is fractional I believe you need the arbitrary rate resampler. Bob On Aug 15, 2017 10:16 PM, "Cinaed Si

Re: [Discuss-gnuradio] Stuck at WBFM Project :

2017-08-08 Thread Robert McGwier
And in addition to all of the other awesome comments, let me give you some communications theory. If a signal occupies K kHz of bandwidth, you need at least 2K samples/second to capture the information in that signal. This is called the Nyquist Sampling Theorem (it can be K complex kilo-samples

[Discuss-gnuradio] Pybombs problems resolved

2016-12-06 Thread Robert McGwier
Something installed python under a directory called miniconda. I have not yet tracked that down but gnuradio and pybombs now work. Apologies to Martin, et. al. for wasting their time on my silly too complex installation. Bob -- Bob McGwier Founder, Federated Wireless, Inc Founder and Technica

Re: [Discuss-gnuradio] pybombs and mako

2016-12-03 Thread Robert McGwier
eed a Py3k version. > > Cheers, > M > > On 12/01/2016 06:57 AM, Robert McGwier wrote: > > This is ubuntu 16.04 on an Intel machine (high end). > > > > usual startup with recipe install, prefix init, etc. > > > > > > find . | grep mako yields > &g

[Discuss-gnuradio] pybombs and mako

2016-12-01 Thread Robert McGwier
This is ubuntu 16.04 on an Intel machine (high end). usual startup with recipe install, prefix init, etc. find . | grep mako yields /usr/lib/python2.7/dist-packages/mako and much underneath it. pybombs install gnuradio yields Install tree: | \- gnuradio | +- uhd | \- apache-thri

[Discuss-gnuradio] Alignment bug fix

2016-05-27 Thread Robert McGwier
Recently a kernel alignment bug was fixed (ugly) and this repaired the polyphase synthesis engine in the main code. My PhD student, Bill Clark (Amateur Radio call KK4EWQ) at Virginia Tech, has suffered with and pointed out this problem with the synthesizer for some time. He wrote an out of tree m

[Discuss-gnuradio] gr-fosphor under pybombs-2

2016-04-05 Thread Robert McGwier
I recently updated pybombs to latest version using the git based installation command line from the github instructions. I could not install gr-fosphor because it would not configure. The issue appears to be that the recipe is incomplete. rwmcgwi@origin1:~/gnuradio$ pybombs install gr-fosphor |

Re: [Discuss-gnuradio] GNU Radio Organizational Changes to Address Growth

2016-03-24 Thread Robert McGwier
Great stuff Jonathan. I look forward to working with you. Do you think I will still be here when I am 70? ;-) Bob On Mon, Mar 14, 2016 at 10:15 AM, Johnathan Corgan wrote: > Most of you already know me, as I’ve been in the GNU Radio community for > eleven years in various roles, including r

Re: [Discuss-gnuradio] GNU Radio Organizational Changes to Address Growth

2016-03-24 Thread Robert McGwier
Ben: Don't forget you are a Hokie too! Good luck! Bob On Fri, Mar 18, 2016 at 6:51 PM, Ben Hilburn wrote: > Hi all - > > As I mentioned in the thread regarding the website updates, we recently > discovered that changes to the gnuradio.org DNS caused some MX record > issues, and many of you di

Re: [Discuss-gnuradio] GNU Radio Organizational Changes to Address Growth

2016-03-24 Thread Robert McGwier
Best of luck to you Tom. Come visit the Hokies! Bob Virginia Tech On Mon, Mar 14, 2016 at 10:11 AM, Tom Rondeau wrote: > I've been running the GNU Radio project for over five years. In this time, > we've dramatically expanded its capabilities, prominence, and performance. > We have attracted g

Re: [Discuss-gnuradio] Question about reverse-engineering a new mode

2015-05-26 Thread Robert McGwier
FIPS compliant security, device security, network security, access controls, and application level security are all integral parts of Public Safety Network design and operation and AVL in particular. It is just not intended to be "super duper" APRS. I would not spend a lot money on equipment if

Re: [Discuss-gnuradio] Why is fft output complex?

2014-10-12 Thread Robert McGwier
Brad: You are treating an FFT as if it were a spectrum analyzer which produces a magnitude or energy profile of how much signal is at a particular frequency. The FFT does much more than that. It tells not only what magnitude is at a frequency but what phase angle the signal has there. Let's tak

Re: [Discuss-gnuradio] Question on how to derive a class in an out-of-tree module based on a gnuradio class

2014-10-12 Thread Robert McGwier
Zhe, every single developer who has ever written for GnuRadio runs into this particular swig necessity and searches like mad, certain it is done... Congrats. On Tue, Oct 7, 2014 at 8:18 AM, Zhe Feng wrote: > Hi Marcus, Martin and Bastian, > > Thanks for your help! > > You are right, it's a link

Re: [Discuss-gnuradio] [SOLVED] Clock Recovery MM

2014-10-11 Thread Robert McGwier
Ooops. Good catch Bastian. On Fri, Sep 26, 2014 at 2:29 PM, Tom Rondeau wrote: > On Tue, Sep 9, 2014 at 3:21 PM, Bastian Bloessl > wrote: > >> >> On 09 Sep 2014, at 15:42, Tom Rondeau wrote: >> >> > On Mon, Sep 8, 2014 at 5:49 PM, Bastian Bloessl >> wrote: >> > Hi all, >> > >> > looking at

Re: [Discuss-gnuradio] missing internal callbacks

2014-07-03 Thread Robert McGwier
It is a very difficult thing to implement practically and is so close to necessary limitation that you should just consider it necessary and move on. Bob On Thu, Jul 3, 2014 at 5:40 PM, wrote: > Hello- > > when creating a flowgraph in GRC there are times I would like to change > the decimatio

Re: [Discuss-gnuradio] Build on ubuntu 14.04

2014-05-25 Thread Robert McGwier
And what is the size of the VM disk limited to and how much RAM have you allowed it? The step you are showing as exiting in (SWIG) requires lots of resources in building gnuradio. I hate SWIG, but have no idea what in the world we would do without it. On Sun, May 25, 2014 at 6:16 AM, Marcus Mül

[Discuss-gnuradio] gr-specest dependencies

2014-05-23 Thread Robert McGwier
There are several dependencies for gr-specest not included in the recipe for pybombs and some not listed in the gr-specest list of dependencies but implied by the text. The recipe for gr-specest in pybombs doesn't include liblapack-dev, libblas-dev, and libarmadillo-dev. These include the list fo

Re: [Discuss-gnuradio] GSoC14 Gr-trellis

2014-04-29 Thread Robert McGwier
Congrats! On Tue, Apr 29, 2014 at 4:28 AM, Jan Krämer wrote: > Hey, > > another Google Summer of Code announcement! > I'll be doing a project on speeding up gr-trellis! Whoever wants more info > on my project can get it on Github > > https://github.com/spectrejan > > and I will post most of my u

Re: [Discuss-gnuradio] X300 PCIe issues

2014-04-28 Thread Robert McGwier
; -Ben > > > > *From:* discuss-gnuradio-bounces+blapointe=ll.mit@gnu.org [mailto: > discuss-gnuradio-bounces+blapointe=ll.mit@gnu.org] *On Behalf Of *Robert > McGwier > *Sent:* Monday, April 28, 2014 7:26 AM > *To:* Marcus D. Leech > *Cc:* Discuss-gnuradio@gnu.o

Re: [Discuss-gnuradio] X300 PCIe issues

2014-04-28 Thread Robert McGwier
It needed to be said, but my only goal is to ACCEPT AND LOVE 10GigE until and unless you demand the low latency afforded by the PCIe interface. The things I am working on demand that we meet the tight timing requirements of open specification waveforms. PCIe was required. The x3x0 series are m

Re: [Discuss-gnuradio] X300 PCIe issues

2014-04-27 Thread Robert McGwier
29 PM, Robert McGwier wrote: > Tim and I are going to swap back to 12.04.4 LTS. I suggest that some note > to the installation for x3x0 say which versions of Ubuntu, kernels, etc. > are supported currently. > > Thanks for your time. > > Bob > > > > On Sat, Ap

Re: [Discuss-gnuradio] X300 PCIe issues

2014-04-26 Thread Robert McGwier
Tim and I are going to swap back to 12.04.4 LTS. I suggest that some note to the installation for x3x0 say which versions of Ubuntu, kernels, etc. are supported currently. Thanks for your time. Bob On Sat, Apr 26, 2014 at 12:01 PM, Robert McGwier wrote: > Okay, I thought that was it.

Re: [Discuss-gnuradio] X300 PCIe issues

2014-04-26 Thread Robert McGwier
an older kernel or distribution will fix it. This does not > affect ethernet connections. > > Matt > On Apr 25, 2014 11:38 PM, "Robert McGwier" wrote: > >> I have my new x300's. The NI ExpressCard-8360B is recognized by my Intel >> 5, Lenovo, 64 bit m

[Discuss-gnuradio] X300 PCIe issues

2014-04-25 Thread Robert McGwier
I have my new x300's. The NI ExpressCard-8360B is recognized by my Intel 5, Lenovo, 64 bit machine running U 14.04 LTS. I naively assumed that given the way things had gone before, that this would be a low impact out of the box experience. uhd_find_devices finds nothing. So I go and dig and fin

Re: [Discuss-gnuradio] Fwd: Problem with getting clear FM signals using the usrp e110

2014-04-09 Thread Robert McGwier
First 100k is insufficient sample rate from the E110. An FM station has 150 kHz total swing (+/- 75 kHz) so the frequency range of your E110 complex output is 100 kHz and is therefore insufficient for the entire modulation. You then feed the 100k sample per second signal into the FM block where

Re: [Discuss-gnuradio] PYBOMBs Testing

2014-01-10 Thread Robert McGwier
All it DOES see if ice3.4. On Thu, Jan 9, 2014 at 12:09 PM, Dan CaJacob wrote: > Hey Tom, > > Thanks. I didn't know how or what to search for, so that was useful. > Here's the result: > > p kde-zeroconf - zeroconf plugins and kio >> slaves for KDE >> p kde-ze

[Discuss-gnuradio] Pybombs issue

2014-01-09 Thread Robert McGwier
I did an update to pybombs two days ago, and immediately gnuradio got to around 57% completion and just hung my Ubuntu 13.10 computer so hard, I couldn't get it to respond to ctrl-alt-del for over half and hour. I tried again after doing a force rebuild on gnuradio and it was worse. I long-hit th

Re: [Discuss-gnuradio] AGC and Dynamic Range of ADC

2013-09-24 Thread Robert McGwier
Well that is 80 dB of dynamic range inside the Nyquist zone (at best and let's call it N). I can add a "bit" of increase in dynamic range by downsampling (filter and decimation) and growing the accumulator size by a bit for each decimation by 4. This will increase dynamic range. I don't believe

[Discuss-gnuradio] DARPA Spectrum Challenge Finalists

2013-06-20 Thread Robert McGwier
Thanks to GnuRadio, USRP, and Joe Gaeddart's liquid DSP. http://www.hpcwire.com/hpcwire/2013-05-09/two_virginia_tech_teams_named_finalists_in_darpa_spectrum_challenge.html Forgive if this is a repost. ___ Discuss-gnuradio mailing list Discuss-gnuradio@g

[Discuss-gnuradio] DARPA Spectrum Challenge Finalists at VT

2013-05-13 Thread Robert McGwier
We're using GnuRadio and Dr. Joe Gaeddart's Liquid DSP/SDR at Virginia Tech. http://www.hpcwire.com/hpcwire/2013-05-09/two_virginia_tech_teams_named_finalists_in_darpa_spectrum_challenge.html ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org htt

Re: [Discuss-gnuradio] GNU Radio/Parallella project for GSoC 2013

2013-04-18 Thread Robert McGwier
Or possibly more interesting and significant for the future, heterogeneous processors in a system. We're seeing lots of this with ARM's on FPGA's, GPU on ARM based SoC, ... In addition to homogeneous multicore processors with interesting network fabrics On Thursday, April 18, 2013,

[Discuss-gnuradio] Wireless @ VT conference, GnuRadio Hackfest, and Vacancy Announcements

2013-03-21 Thread Robert McGwier
Hello friends. One of the centers I belong to at Virginia Tech is Wireless@VT. We run a conference every summer and we are holding it again this summer. http://www.wireless.vt.edu/symposium/2013/ And I know several of you are attending and we are looking forward to hosting you. At one time, b

Re: [Discuss-gnuradio] File Sink open/close question

2013-01-22 Thread Robert McGwier
Hans: Where are you "resetting X"? On Tuesday, January 22, 2013, Hanz wrote: > Hi! > Im using a message queue to count data, while the data is sinked to a file. > Then if the counter reaches X i want the old file to be closed and continue > sinking in a new file. Then again if reaches X to switc

[Discuss-gnuradio] Job opening working for me

2012-10-19 Thread Robert McGwier
http://listings.jobs.vt.edu/applicants/Central?quickFind=196236 -- Bob McGwier Owner and Technical Director, Allied Communication, LLC Facebook: N4HYBob ARS: N4HY ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/l

Re: [Discuss-gnuradio] how to test sse2 support using cmake

2012-09-17 Thread Robert McGwier
How about looking at the libvolk components and see how SSE is done and mimic? On Sep 17, 2012 12:51 AM, "Kyle Zhou" wrote: > I have a block which depends on sse2. I need to tell cmake to check if the > cpu support sse2 in order to determine if the sse2 acceleated version or a > generic version s

Re: [Discuss-gnuradio] GSoC: Filter Design tool update

2012-07-25 Thread Robert McGwier
Adaptive filtering, whether FIR or IIR, will change the taps dynamically. I love the design tool idea. Bob On Wednesday, July 25, 2012, sreeraj r wrote: > > >I didnt mean to imply that there was some kind of formal discussion tool > >like a forum thread. I was just referring to these emails: >

Re: [Discuss-gnuradio] GSoC: Filter Design tool update

2012-07-24 Thread Robert McGwier
Thank you. It would be great to see this finished and not left in the state I had to leave it. Thanks the great view of your project in your links. Bob On Sunday, July 22, 2012, sreeraj r wrote: > Hi all, > > A brief update on the new features added to the filter design tool[1] > > --IIR Filte

Re: [Discuss-gnuradio] Working at 20 MS/s

2012-05-01 Thread Robert McGwier
Able to use sample rates of 20 MHz doesn't necessarily include doing something as slow and killing of performance as display of an FFT. Bob On Tuesday, May 1, 2012, frankist wrote: > > Hi, > > I was interested in working with detectors for OFDM 802.11b in my USRP2. > I've read on the internet a

Re: [Discuss-gnuradio] UHD default subdevice.

2011-12-23 Thread Robert McGwier
Capture your complex command line in a shell script seems an easy way to do this yesterday, today, and tomorrow. Bob On Friday, December 23, 2011, Andrew Davis wrote: > That might work, but why worry about people who reconfigure just yet, us who use the device consistently still have to type se

Re: [Discuss-gnuradio] Costas loop and M&M algorithm on FPGA

2011-12-16 Thread Robert McGwier
; Hi Bob, > > ** ** > > Your guess is correct, I found the error from Transmitter side. Now the > synchronization is working fine. > > ** ** > > PN > > ** ** > > *From:* Robert McGwier [mailto:rwmcgw...@gmail.com] > *Sent:* Thursday, December 15, 201

Re: [Discuss-gnuradio] Costas loop and M&M algorithm on FPGA

2011-12-15 Thread Robert McGwier
At high SNR, a single bit is probably enough in the detector and 15 bits in the phase accumulator is also likely more than enough. The error, in my opinion, is elsewhere. Tell us about your work here please: https://www.cgran.org/ after you have set up your git repository here: https://github

Re: [Discuss-gnuradio] Bug in gr_pll_carriertracking.cc

2011-11-24 Thread Robert McGwier
The last time I did this I had written the routine ;-) Bob On Nov 23, 2011 11:18 AM, "Ben Hilburn" wrote: > Heh, sometimes you have to e-mail a public list before any of it makes > sense. Happens to me all the time =) > > Cheers, > Ben > > > On Wed, Nov 23, 2011 at 8:53 AM, Marcus M wro

Re: [Discuss-gnuradio] fan replacement for usrp1?

2011-10-19 Thread Robert McGwier
USRP 1's. Bob On Tue, Oct 18, 2011 at 11:39 PM, Mark Cetilia wrote: > Ah good, glad to hear it's not just me… > Do you run it with the top on or leave it open? > > Cheers, > Mark > > -- > mark.cetilia.org | mem1.com | reduxproject.com > > On Oc

Re: [Discuss-gnuradio] fan replacement for usrp1?

2011-10-18 Thread Robert McGwier
Yes I have. I disconnected it. In my opinion, it is overkill for anything going on in a USRP1. YMMV, Bob On Sun, Oct 9, 2011 at 1:43 AM, Mark Cetilia wrote: > wondering if anybody out there has replaced their usrp1 fan with something > a bit quieter? > i find myself listening to its incessan

Re: [Discuss-gnuradio] I hate Unity

2011-10-17 Thread Robert McGwier
Install gnome-tweak-tools to get advanced settings for gnome to be able to get your favorite settings after you install gnome-shell. On Mon, Oct 17, 2011 at 10:04 AM, Robert McGwier wrote: > > http://tombuntu.com/index.php/2011/10/03/install-gnome-shell-in-ubuntu-11-10/ > > -- &

[Discuss-gnuradio] I hate Unity

2011-10-17 Thread Robert McGwier
http://tombuntu.com/index.php/2011/10/03/install-gnome-shell-in-ubuntu-11-10/ -- Bob McGwier Facebook: N4HYBob ARS: N4HY ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio

Re: [Discuss-gnuradio] Remote Access to USRP testbed with GNU Radio

2011-10-07 Thread Robert McGwier
http://gnuradio.org/redmine/projects/gnuradio/wiki/UbuntuInstall has configuring USRP support. Following these instructions will allow users in the USRP group to run the hardware without root access. Bob On Fri, Oct 7, 2011 at 7:01 AM, Robert McGwier wrote: > I believe people are answer

Re: [Discuss-gnuradio] Remote Access to USRP testbed with GNU Radio

2011-10-07 Thread Robert McGwier
I believe people are answering the question but are slightly off target. Create a group on your Linux distribution call USRP, make sure those users you want control the USRP as users (AND NOT ROOT) are in this group. The go read the gnuradio wiki about the other changes granting device permissions

Re: [Discuss-gnuradio] Wiki Access

2011-09-26 Thread Robert McGwier
I don't know you seem pretty malicious to me ;-) On Mon, Sep 26, 2011 at 9:37 AM, Tom Rondeau wrote: > On Mon, Sep 26, 2011 at 9:08 AM, Martin Braun wrote: > >> Hi, >> >> I just created an account (mbraun) on the wiki website, and found >> out I can't edit pages with that. I guess the W

Re: [Discuss-gnuradio] Status of GNU Radio on Mac OS X

2011-09-23 Thread Robert McGwier
Awesome On Sep 23, 2011 5:31 PM, "Tom Rondeau" wrote: > On Fri, Sep 23, 2011 at 2:57 PM, Michael Dickens wrote: > >> If you use MacPorts under Mac OS X 10.5, .6, or .7, "sudo port install >> gnuradio" should work as of this morning for installing all of the >> background dependencies (and, versio

[Discuss-gnuradio] APCO 25 crack using GnuRadio

2011-09-10 Thread Robert McGwier
http://tech.slashdot.org/story/11/09/10/1539217/Security-Researchers-Crack-APCO-P25-Encryption ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio

Re: [Discuss-gnuradio] Introducing noise/ considerable BER

2011-08-10 Thread Robert McGwier
I think that many RF and wireless designers make a lot of assumptions as well and never admit to the horror of the mobile channel. LTE is not really realizing the needed increase in capacity to justify the rollout cost of all of the needed infrastructure in my opinion but now everyone is "all in"

Re: [Discuss-gnuradio] Raised Cosine Filter design

2011-06-29 Thread Robert McGwier
That is the best source currently in my opinion especially his discussion of HOW BAD RAISED COSINE FILTERS ARE AS NYQUIST FILTERS FOR DATA TRANSMISSION. Bob On Jun 29, 2011 4:11 AM, "John Andrews" wrote: > Yep! Done. fred harris' book helped the most. > > Thanks > > On Tue, Jun 28, 2011 at 12:25

Re: [Discuss-gnuradio] Building gnuradio 3.3.0 on Fedora 15 (issue with SDCC)

2011-05-26 Thread Robert McGwier
On either my Ubuntu box or my Fedora box, 2.9.0 fails. I used 2.8.0 and all is well. I get it from sdcc sourceforge site and was done in a few minutes. Bob On May 26, 2011 6:15 AM, "Tom Rondeau" wrote: > On Thu, May 26, 2011 at 3:08 AM, Marcus D. Leech wrote: > >> On 05/25/2011 09:01 PM, Artur

Re: [Discuss-gnuradio] QAM demod Error in GRC

2011-05-19 Thread Robert McGwier
Vlad It is apparent to me that you did not understand Josh's explanation. Possibly he was not forceful enough. ;-). This is not an error. It is the mathematical consequence of doing QAM with rotational symmetries. YOU MUST provide your OWN synchronization to remove the phase ambiguity. It is

Re: [Discuss-gnuradio] JTRS SCA

2011-05-08 Thread Robert McGwier
http://ossie.wireless.vt.edu/trac/ On Thu, May 5, 2011 at 4:24 AM, Jaco Meintjes wrote: > Hi, > > Has anyone worked on JTRS (Joint Tactical Radios Sytems) SCA (Software > Communication Architecture) with GNURadio and UHD? > > Regards, > Jaco > > -- > This message is subject to the CSIR's copyri

Re: [Discuss-gnuradio] sdcc and usrp in latest master copy

2011-05-03 Thread Robert McGwier
FC14, x86-64 Bob On Tue, May 3, 2011 at 12:05 PM, Robert McGwier wrote: > in attempting to force usrp to compile I did --enable-usrp. > > > > USRP requires sdcc. sdcc not found. See http://sdcc.sf.net > Unable to find firmware compiler SDCC. > configure: error: Comp

[Discuss-gnuradio] sdcc and usrp in latest master copy

2011-05-03 Thread Robert McGwier
in attempting to force usrp to compile I did --enable-usrp. USRP requires sdcc. sdcc not found. See http://sdcc.sf.net Unable to find firmware compiler SDCC. configure: error: Component usrp has errors; stopping. n4hy@home gnuradio (master) $ which sdcc /usr/libexec/sdcc/sdcc n4hy@home gnuradio

Re: [Discuss-gnuradio] GRC questions

2011-04-21 Thread Robert McGwier
Is "Josh Blum" like Nicolas Bourbaki? If so we need to start a Wikipedia page for that committee as well. > ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio

Re: [Discuss-gnuradio] GRC questions

2011-04-21 Thread Robert McGwier
Is "Josh Blum" like Nicolas Bourbaki? If so we need to start a Wikipedia page for that committee as well. ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio

Re: [Discuss-gnuradio] Ettus2 and RFX2400 For Sale

2011-04-08 Thread Robert McGwier
Is that something like mini-matt? On Fri, Apr 8, 2011 at 3:08 PM, Josh Blum wrote: > > > On 04/08/2011 02:44 PM, jeremy ward wrote: > > I have an Ettus 2 and an RFX2400 that I don't need anymore. I used them > a > > couple times and they work great. If you're interested just drop me a > line

Re: [Discuss-gnuradio] New audio registry names in v3.4.0git

2011-03-25 Thread Robert McGwier
Thanks to all, that is helpful. On Tue, Mar 22, 2011 at 12:08 PM, Johnathan Corgan < jcor...@corganenterprises.com> wrote: > On Tue, Mar 22, 2011 at 09:38, Josh Blum wrote: > > > Potential fix: > > > http://gnuradio.org/cgit/jblum.git/commit/?id=34313eace681a82e230c38a8cd26c0001ee823ea > > I pus

[Discuss-gnuradio] Invitation to connect on LinkedIn

2010-08-25 Thread Robert McGwier
LinkedIn Robert McGwier requested to add you as a connection on LinkedIn: -- Abdul, I'd like to add you to my professional network on LinkedIn. - Robert Accept invitation from Robert McGwier http://www.linkedin.com/e/kcqq4e-gdaj09

[Discuss-gnuradio] Dayton SDR Forum speaker list, times

2010-05-13 Thread Robert McGwier
Dayton SDR Forum is exciting this year. 4/5 of the talks are about HPSDR-related and that is good with a great list of speakers. Friday, 2:30-5 PM Gerald Youngblood, Flex updates 2:30 Lyle Johnson, Embedded Processors for SDR 3:00 John Melton, SDR GUI 3:30 Scott Cowling, HPSDR update 4:00 Jerem

[Discuss-gnuradio] Dayton SDR forum speakers sought

2010-04-07 Thread Robert McGwier
On Friday, May 14, I am the moderator (and speaker) at the SDR forum at the 2:30 PM - 5 PM session. I have two speakers (Scotty on openhpsdr, and I speak on general SDR topics). I need to fill out this time and this leaves at least 1.5 hours to fill. I would like to get this settled as soon as

Re: [Discuss-gnuradio] Burg spectral estimation

2010-03-26 Thread Robert McGwier
Jens: Have you considered and rejected Pisarenko estimtion techniques or just not tried them yet? Thank you for your efforts Bob On Fri, Mar 26, 2010 at 6:58 PM, Jens Elsner wrote: > Hi Brian, > > >> we've done some work to our 'Spectral Estimation Toolbox' and added > >> Burg's algorithm for

[Discuss-gnuradio] gr-pager compile problem

2010-01-18 Thread Robert McGwier
I have seen several report gr-pager compilation problems. I ran into this on a computer. The solution was straightforward. I did not have <> of the packages from http://gnuradio.org/redmine/wiki/gnuradio/UbuntuInstall installed because given the apt-get command indicated on that page resulted

Re: [Discuss-gnuradio] Ubuntu 9.04 and GNU Radio

2009-04-25 Thread Robert McGwier
On Sat, 2009-04-25 at 16:34 -0400, Robert McGwier wrote: >> snip > > And to clarify farther, we do not require PyQwt. We require the QWT > library, but not the Python version of it. When I upgraded from Ubuntu > 8.10 to 9.04 last night, I have been able to build and ru

Re: [Discuss-gnuradio] Ubuntu 9.04 and GNU Radio

2009-04-25 Thread Robert McGwier
t 4:40 PM, Johnathan Corgan > wrote: >> On Sat, 2009-04-25 at 16:34 -0400, Robert McGwier wrote: >> >>> I am not able to configure and compile GR on Ubuntu 9.04 using the >>> directions from the gnuradio.org/trac on any of three different >>> machines on

[Discuss-gnuradio] Ubuntu 9.04 and GNU Radio

2009-04-25 Thread Robert McGwier
I am not able to configure and compile GR on Ubuntu 9.04 using the directions from the gnuradio.org/trac on any of three different machines on which I attempted to do the upgrade. I then tried on one of them doing a raw install (the one with the least stuff on it). The same failure occurs, so upd

[Discuss-gnuradio] SDR Forum at Dayton

2009-04-24 Thread Robert McGwier
Room 5, Friday PM http://www.hamvention.org/files/2009Forums-Friday.pdf See you there. Bob N4HY ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio

[Discuss-gnuradio] Dayton SDR Forum so far

2009-03-27 Thread Robert McGwier
On May 16 2008 at the ARRL National Convention and the Dayton Hamvention we will have a software defined radio forum aimed at amateur radio operators. SO FAR: Bob McGwier, N4HY SDR update (< 15 minutes) Scott Cowling WA2DFI on HPSDR Project update (20 minutes) Frank Brickle, AB2KT, on VR and Dt

[Discuss-gnuradio] SDR Forum at Dayton Hamvention

2009-03-26 Thread Robert McGwier
The SDR Forum at the Dayton Hamvention is Saturday 11:15 AM to 1:30 PM May 16. This is the ARRL National convention as well so it should be well attended. Because of missed emails, etc. (I was left off the email addressees so I got none of the emails) we are now in a rush. The initial list, etc

[Discuss-gnuradio] Software Defined Radio software authors are hard at work

2009-03-21 Thread Robert McGwier
http://www.youtube.com/watch?v=v4Wy7gRGgeA ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio

[Discuss-gnuradio] Behrouz Farhang-Bourjeny and his book

2009-02-20 Thread Robert McGwier
Behrouz has improved his booked with editing and errata repair and having the material tried out on students. I used the book in a class in an early form, at work, and I am very happy to report that Behrouz continues to improve on the work. It does not yet have the OFDM chapter in it. I need to

[Discuss-gnuradio] Re: [Flexradio] [dttsp-linux] Intel ATOM WHOOAAAAA Nellie

2009-02-20 Thread Robert McGwier
http://www.nvidia.com/object/sff_ion.html I think it is pretty clear that almost anyone with any real experience would take Nvidia's restricted distribution graphics drivers about 100 to 1 over the open source CRAP that comes from ATI, and forget completely any of their competitors. I have remove

[Discuss-gnuradio] Congratulations Tom

2009-02-13 Thread Robert McGwier
http://www.vtnews.vt.edu/story.php?relyear=2009&itemno=83 ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio

Re: [Discuss-gnuradio] Intel Atom is NICE.

2009-01-12 Thread Robert McGwier
I guess all's well that ends well. I have 64 bit Linux and Windows XP running on it. No hitches. I see what you are talking about. Bob On Sun, Jan 11, 2009 at 6:14 PM, Frank Brickle wrote: > > On Sun, Jan 11, 2009 at 3:00 PM, Bob McGwier wrote: > >> >> IF ANYONE CAN SHOW ME WHERE IN THE INS

Re: [hpsdr] [Discuss-gnuradio] Intel Atom is NICE.

2008-12-29 Thread Robert McGwier
The new I7 intel processors have a really amazing amount of horsepower but a tremendous amount of onboard stuff is designed to work intimately with the peripherals to bring on high speed graphics. Now if your argument is that all of this is going to be moved into the GPP, I might agree that we wi

Re: [Discuss-gnuradio] Having difficulty with compiling in Ubuntu 8.04... due to QT3/QT4

2008-12-12 Thread Robert McGwier
Agreed, Tom and I don't have Qt3 on our systems as we have moved on. I think we need to change the tests to look SPECIFICALLY for qt4 since that is what we support. Bob On Fri, Dec 12, 2008 at 1:27 PM, Rob Frohne wrote: > Hi Everyone, > > After removing qt3-mt-dev, gnuradio builds just fine on

[Discuss-gnuradio] USRP2 SD Card rewrite

2008-11-02 Thread Robert McGwier
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

[Discuss-gnuradio] Ubuntu 8.10

2008-11-02 Thread Robert McGwier
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] Where's Waldo Ettus? At IEEE DySpan in Chicago of course!

2008-10-16 Thread Robert McGwier
http://www.youtube.com/watch?v=KOgjkSzFzOI ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio

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

2008-09-10 Thread Robert McGwier
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

Re: [Discuss-gnuradio] USRP2 Price

2008-09-09 Thread Robert McGwier
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] GNU-Radio GUI applications freeze

2008-09-08 Thread Robert McGwier
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

[Discuss-gnuradio] Re: MP scheduler performance scaling

2008-07-20 Thread Robert McGwier
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] gnuradio from trunk fails to build - typo in changeset 8188

2008-04-12 Thread Robert McGwier
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] qwt qt4.3.4

2008-02-25 Thread Robert McGwier
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

[Discuss-gnuradio] Fedora 8 on PS3

2008-01-29 Thread Robert McGwier
http://www.gnuradio.org/trac/wiki/PS3FC8Install ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio

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

2007-12-25 Thread Robert McGwier
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

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

2007-12-22 Thread Robert McGwier
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

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