Re: Library libbladeRF for bladeRF 2.0 micro xA4

2020-12-06 Thread Bruce Ferrell
On 12/6/20 12:41 PM, Alvaro Pendas Recondo wrote: Hello, I am considering buying an SDR model bladeRF 2.0 micro xA4 that is supposed to be compatible with GNU Radio through the library libbladeRF. Does anyone have previous experience handling this model with GNU Radio or other models by Nuand?

[Discuss-gnuradio] Transcendental block itemsize mismatch (no custom blocks)

2019-10-17 Thread Nicholas Bruce
Hi all, I am running GNU Radio 3.7.13.4 and working in GNU Radio Companion on Ubuntu 18.04 I have a very simple flowgraph where I have a source of type complex (I've tried both a signal source and a constant source) which I connect to a transcendental block (of type complex) and then output to a

Re: [Discuss-gnuradio] SDR for beginners (if not quite "dummies")

2018-12-03 Thread Bruce Ferrell
Ya know... It just never occurred to me to look on ebay for one of those.  Great idea! Thanks! On 12/3/18 7:53 AM, Rafael Diniz wrote: You can also find good priced used USRPs in ebay. I bought an used 2 in ebay for 300 USD - it was worth every cent. Rafael Diniz On 12/2/18 5:03 PM, Bruce

Re: [Discuss-gnuradio] SDR for beginners (if not quite "dummies")

2018-12-02 Thread Bruce Ferrell
On 12/2/18 3:47 AM, Colin Rowat wrote: I'm looking for an interesting Christmas present for my sons (ages 13 and 10) and wondered about software-defined radio.  We're reasonably tech literate, but don't have any SDR experience. I'd thought that it could be interesting for them to see what sor

Re: [Discuss-gnuradio] Work around FPGA incompatibility (can't update device)

2018-01-09 Thread Nicholas Bruce
gt; > If they have a modified, self-built image on the USRP (which would > > > explain their hesitance to allow you to change the image), then > > > it's > > > probably no use trying to use it with stock host software – they've > > > probably changed

[Discuss-gnuradio] Work around FPGA incompatibility (can't update device)

2018-01-08 Thread Nicholas Bruce
\uhd\utils\uhd_images_downloader.py"* * "C:\Program Files\UHD\bin\uhd_image_loader" ^* *--args="type=usrp2,addr=192.168.10.2* Is there a workaround or way to use these devices? They were working on the owners Fedora box with UHD v3.6.2-5 and GR v3.7.11-2. Cheers, Nick -- Nicholas Bruce, B.

[Discuss-gnuradio] Spectral Survey with GRC?

2016-03-02 Thread Bruce E. Kahn
Hi GRC companions Has anyone used GRC to acquire a large range RF spectral survey? Basically, step from range to range, and save the output in a (text) file. I would like to be able to average each frequency/range for some (variable) period of time, or do peak hold, much like some of the nice

Re: [Discuss-gnuradio] GRC, Recording chunks of spectrum triggered on input signal level

2014-11-18 Thread Staffan Bruce
It works, many thanks! It seems like the changing of a variable in itself does not trigger an update of other variables (that are depending on the first one), but using a button or probe will trigger an update of the variables that are depending on them. Could this be something to consider for

Re: [Discuss-gnuradio] GRC, Recording chunks of spectrum triggered on input signal level

2014-11-16 Thread Staffan Bruce
Hello, After some weekend experimenting I believe I have most (most...) of it working. Sinking to a USB stick is not working so well by the way... One thing that is still a challenge is how to set the filename. You provided a very good way of timestamping, but when I try this, it only evaluates

[Discuss-gnuradio] GRC, Recording chunks of spectrum triggered on input signal level

2014-11-12 Thread Staffan Bruce
Hello, Being limited in my programming skills, I would very much like to do the following in Gnuradio Companion: * Sample an input stream (from RTL-SDR) * Generate a trigger signal based on the input stream * If a trigger criterion is met, save/sink the data stream for a preset time and give th

Re: [Discuss-gnuradio] AM Stereo TX? (Motorola C-QUAM)

2014-03-24 Thread Bruce Hoenig
e the left and right channels. To enable the stereo decoder, a 25 Hz pilot tone is added to the L‑R channel. Hope this helps. Bruce From: Marcus D. Leech To: discuss-gnuradio@gnu.org Sent: Monday, March 24, 2014 5:11 PM Subject: Re: [Discuss-gnuradio] AM Ster

Re: [Discuss-gnuradio] GR 3.7.2.1 on OSX 10.8.5

2014-02-20 Thread Bruce
Where did you find that particular install? Bruce Sent from my iPad On Feb 20, 2014, at 3:37 PM, Ed Criscuolo wrote: > I just upgraded my ports-installed version of GR 3.6.3 to > GR 3.7.2.1 with a simple "port upgrade gnuradio". > The install went smoothly without error

Re: [Discuss-gnuradio] Public transport in Boston

2013-08-10 Thread Bruce Penswick
/lines/?route=BLUE > > From: Michael Dickens >To: GNURadio Discussion List >Sent: Saturday, August 10, 2013 10:25 AM >Subject: Re: [Discuss-gnuradio] Public transport in Boston > > >On Aug 10, 2013, at 10:11 AM, Bruce Penswick wrote: &

Re: [Discuss-gnuradio] Public transport in Boston

2013-08-10 Thread Bruce Penswick
You can also try AirBnB (https://www.airbnb.com/). There a lot of people in Boston doing short-term sublets of their very nice apartments. Look in these areas: Boston: South Boston ("Southie"), Back Bay, The Fenway (on the Green Line) Cambridge: Kendall Sqaure, Central Square, Harvard Square, Porte

Re: [Discuss-gnuradio] Public transport in Boston

2013-08-10 Thread Bruce Penswick
Actually, the "T" (the subway) *does* go to the airport, to Boston Logan Airport. The Blue Line stops there. And then there are free shuttle busses to take you to all the terminals. You can take the Blue Line into the city and transfer, for free, to the Red, Orange, and Green Lines. >

Re: [Discuss-gnuradio] Doppler Radar Processing

2013-07-21 Thread Bruce Penswick
For your 2-D plotting, why don't you just use Matplotlib (http://matplotlib.org/) or Qwt (http://qwt.sourceforge.net/)?? Those two tools provide powerful plotting capabilities from Python and C++. Am I missing something? > > From: "Wallace, Frank L CIV NSWCDD

[Discuss-gnuradio] How to Travel Commercial Airlines with USRP

2013-06-09 Thread Bruce Penswick
Dallas ahead of my trip? Any thoughts, advice, experiences would be much appreciated!! Thanks for your help!! Best Regards, Bruce P.___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio

[Discuss-gnuradio] === (Update) Announcing SDR Workshop at WPI on Friday May 17 ===

2013-05-11 Thread Bruce Penswick
+++  +++  +++    Sorry to send this again, but there were some errors     and omissions when this was sent yesterday.    I have fixed them, and also added a tentative agenda.    Thank you. +++  +++  +++ *

[Discuss-gnuradio] *** SDR Workshop at WPI *** Next Friday May 17 ***

2013-05-10 Thread Bruce Penswick
*** *  Third-Annual   * * New England Workshop on Software-Defined Radio  * *  NEWSDR 2013    * * *

[Discuss-gnuradio] +++++ Announcing NEWSDR at WPI, Coming This Friday May 17 +++++

2013-05-10 Thread Bruce Penswick
*** *  Third-Annual   * * New England Workshop on Software-Defined Radio  * *  NEWSDR 2013    * * *

[Discuss-gnuradio] Announcing NEWSDR at WPI on Friday May 17

2013-04-14 Thread Bruce Penswick
*** *  Third-Annual   * * New England Workshop on Software-Defined Radio  * *  NEWSDR 2013    * * *

Re: [Discuss-gnuradio] Discuss-gnuradio Digest, Vol 102, Issue 11

2011-05-10 Thread Bruce McGuffin
more (student's) time than money, and doesn't appeal to business because their time costs more. Also they don't trust it because they can't get customer support. Bruce ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio

RE: [Discuss-gnuradio] Multi-threaded FFTW

2010-12-06 Thread Bruce Stansby
When I was originally messing around with multi threading for my application, the use of measure gave a large improvement. Though I am using small fft sizes (1024) but high data rates. Also it was a custom c program. From: discuss-gnuradio-bounces+bruce.st

RE: [Discuss-gnuradio] Coherent de-dispersion

2010-07-01 Thread Bruce Stansby
I suggest folding the spectral data at a pulse period, you can then find it in a waterfall plot of your bandpass. or else you can try and download DSPSR and use something that is known to work, if you can work out the install. Regards Bruce From: discus

RE: [Discuss-gnuradio] Progress on Sheeva -- actually got a half-way functional flow-graph working

2010-04-09 Thread Bruce Stansby
wn to is, what do you really need, and will you ever have any need of the capabilities. And more importantly do you have the could hard cash to get the more "expensive one" Bruce From: discuss-gnuradio-bounces+bruce.stansby=postgrad.curtin

RE: [Discuss-gnuradio] Considerations for new hardware in gnuradio

2010-03-29 Thread Bruce Stansby
The ability to drop bits off in hardware would be a great feature, at the moment I have three high end digitizers and could double my bandwidth/ or quadruple if they had this feature. Most astronomy applications can get away with 2 bits, 4 nice, and 8 is a waist, I have several applications tha

Re: [Discuss-gnuradio] start_rx_streaming_at patch

2009-09-18 Thread Bruce McGuffin
Doug And what is VRT code? I googled VRT, but the choices I got were: Vestibular Rehabilitation Therapy Vulnerability Research Team Vlaamse Radio- en Televisieomroep (my personal favorite) or Video Round Table Bruce Douglas Geiger wrote: Bruce, In the firmware directory the

Re: [Discuss-gnuradio] start_rx_streaming_at patch

2009-09-17 Thread Bruce McGuffin
just a 32 (64?) bit unsigned integer that gives an offset from the most recent sync to PPS? What is this VRT code? And when will it be available? Thanks Bruce Douglas Geiger wrote: Bruce, In the firmware directory the important files are the app_common_v2.c and .h file, and txrx.c (serdes_t

Re: [Discuss-gnuradio] start_rx_streaming_at patch

2009-09-17 Thread Bruce McGuffin
ast file, as I originally said, but still didn't manage to update what look like essential files. e.g. serdes_txrx. Are these patches still useful? That is, if I went through the files by hand and made the changes, would I wind up with usable code? Thanks Bruce Bruce, I haven't m

[Discuss-gnuradio] start_rx_streaming_at patch

2009-09-17 Thread Bruce McGuffin
So then just to see if it made a difference, I downloaded gnuradio-3.2.2 but patch didn't work there either. Then I emailed Doug at doug_gei...@bioradiation.net <mailto:doug_gei...@bioradiation.net> and it bounced. Does anybody know what I'm doing w

Re: [Discuss-gnuradio] USRP2 Filtering/Decimation Question

2009-09-04 Thread Bruce McGuffin
Matt Ettus wrote: Bruce McGuffin wrote: Hi When I specify a particular receiver decimation rate for the USRP2, the task of decimating is presumably split up between the CIC and two half-band filters. My question is how is the task split up, and where in the code does this happen? If

[Discuss-gnuradio] USRP2 Filtering/Decimation Question

2009-09-04 Thread Bruce McGuffin
Hi When I specify a particular receiver decimation rate for the USRP2, the task of decimating is presumably split up between the CIC and two half-band filters. My question is how is the task split up, and where in the code does this happen? Bruce

Re: [Discuss-gnuradio] Half-Band Filter Module Output Clipping?

2009-09-03 Thread Bruce McGuffin
Matt Ettus wrote: Bruce McGuffin wrote: Hi I've been looking at the USRP2 filter characteristics, to see if it will work for me. After going through the half-band filter code (hb_dec.v from gnu-radio 3.2) I understand what the filter coefficients are, but I have a question abou

[Discuss-gnuradio] Half-Band Filter Module Output Clipping?

2009-09-02 Thread Bruce McGuffin
; 2^17. What am I missing here? Thanks Bruce ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio

Re: Re: [Discuss-gnuradio] MIMO Question

2009-08-17 Thread Bruce McGuffin
Eric Blossom wrote: On Fri, Aug 14, 2009 at 04:55:56PM -0400, Bruce McGuffin wrote: A while ago (Nov. 14, 2008) Matt talked about using a USRP2 with two antennas and two external radio receivers driving the basicRx. My question is, is it possible to do that if the external radio IF and

[Discuss-gnuradio] MIMO Question

2009-08-14 Thread Bruce McGuffin
dules would I use? Thanks Bruce ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio

Re: [Discuss-gnuradio] USRP2 eth_buffer

2009-04-22 Thread Bruce Stansby
Hi all ext file system is the go, with my high speed digitizer I stream 250 MB/s (thats bytes) to a six disk raid (0) array. The raid zero is the go if you can afford to loose data in the unlikely event of a disk failure. Bruce - Original Message - From: Eric Blossom Date: Thursday

Re: [Discuss-gnuradio] Installing Gnu Radio 3.2 on centOS machine

2009-02-26 Thread Bruce McGuffin
error. Would one of the the things not configured cause the problem? If so, why wasn't it configured? Thanks Bruce the end of the configure output: * The following GNU Radio components have been successfully configured: co

Re: [Discuss-gnuradio] Installing Gnu Radio 3.2 on centOS machine

2009-02-26 Thread Bruce McGuffin
uradio The only thing I can think of is when we ran configure it complained that some modules were missing, but judging by their names they were audio modules, and I'm not planning to use the sound card, so didn't worry. Does anybody know what the problem is? Bruce Johnathan Corgan

[Discuss-gnuradio] Installing Gnu Radio 3.2 on centOS machine

2009-02-24 Thread Bruce McGuffin
c0' make: *** [all] Error 2 Does anybody know what the problem is? What is compile-mbh.scm, and why wasn't it part of the gnu radio download? Thanks Bruce ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio

Re: [Discuss-gnuradio] USRP2 &DBSRX testing

2009-02-22 Thread Bruce Stansby
My apologies, newbie hoping it was a common newbie problem, details as follows. Hardware: Twin Xeon quadcore X5355 processors. Supermicro X7DBE motherboard 8 GB of ram Software: Ubuntu 8.04 Kernal 2.6.2-16-generic I didn't install the software my supervisor d

Re: [Discuss-gnuradio] Proposal Draft: Next Generation Digital Voice Codecs and Vocoders for Amateur Radio

2008-05-14 Thread Bruce Perens
solve the garble problem when there's a firefighter with a loud chainsaw in the background? That just kills the codecs they use on APCO 25 right now. Thanks Bruce ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.

[Discuss-gnuradio] Proposal Draft: Next Generation Digital Voice Codecs and Vocoders for Amateur Radio

2008-05-14 Thread Bruce Perens
Thanks Bruce Perens K6BP ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio

Re: [Discuss-gnuradio] USRP Radio Astronomy

2007-12-10 Thread Diane Bruce
On Mon, Dec 10, 2007 at 11:00:50AM -0800, Eric Blossom wrote: > On Mon, Dec 10, 2007 at 12:33:31PM -0500, Marcus Leech wrote: > > Eric Blossom wrote: > > > > > > Marcus, Numeric is deprecated by everybody, not just us. > > > Is there an equivalent import that uses numpy instead? ... I had to take

Re: [Discuss-gnuradio] FreeBSD patches for gnuradio

2007-05-23 Thread Diane Bruce
Hi, On Wed, May 23, 2007 at 09:06:17AM -0400, Greg Troxel wrote: > Is the gr-radio-astronomy patch a FreeBSD fix, or generic? Somehow the original comments that were supposed to be attached got dropped, they follow here. Hi, I have some diffs for gnuradio on FreeBSD. It runs fine. I also have a

[Discuss-gnuradio] FreeBSD patches for gnuradio

2007-05-21 Thread Diane Bruce
http://www.db.net/~db/gnuradio-freebsd.tgz - Diane VA3DB -- - [EMAIL PROTECTED] [EMAIL PROTECTED] http://www.db.net/~db ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio

[Discuss-gnuradio] SDR vs Analog common term comparison

2005-06-06 Thread Young, Bruce Spawar
a information sources that clear the subject?  Comparing Analog to SDR performance.   SPAWAR Bruce   ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio