GNU radio version is 3.10.7.0 (Python 3.10.12). Flow is
> attached.
>
> Thanks in advance!
>
> Ceren.
>
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Dan CaJacob
t; I think the problem might be with symbol acquisition, but cant really
> confirm my suspicion.
>
> Below you can see the signal I am talking about. Could it be that for this
> type of synchronization this SNR is not sufficient?
>
> [image: image.png]
>
> Thanks,
> András Szilassi
>
>
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I’m not sure how my version of GNU Radio was built. I got it in a
distribution called [HamPi](https://sourceforge.net/projects/hampi/).
73! <—ham radio lingo for “best regards"
**Dan KB6NU**
CW Geek, Ham Radio Instructor
Author of the "No Nonsense" amateur r
I4 just doesn't have enough horsepower to run GNU Radio? If so,
that's kind of disappointing.
73! <—ham radio lingo for “best regards"
**Dan KB6NU**
CW Geek, Ham Radio Instructor
Author of the "No Nonsense" amateur radio license study guides
Read my ham radio blog at http://www.kb6nu.com
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We have
> > at least one X310, several B210s, and a variety of other FPGA dev boards
> > (Snickerdoodls, Ultra96, etc).
> >
> > We have plenty of Plutos and some LimeSDRs.
> >
> > -Michelle W5NYV
> >
> >
> > On Wed, Jun 20, 2018 at 3:42 PM, Dan C
problem
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institute/
>
> -Michelle W5NYV
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with GR and SDR
on the desktop before moving on to embedded systems, because there's a lot
to learn in both and it's going to be worse if you have to learn them both
at the same time.
- Dan
On Sat, May 26, 2018 at 7:00 PM Nick Foster wrote:
> Will,
>
> Do you have a specific p
elp me out
>>
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uradio@gnu.org
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> >
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icate using the socket PDU blocks (issue IDs
> 1770,1769,1763,1762).
>
> These new ZeroMQ blocks look cool. Are they a good alternative?
>
>
>
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-burst-fsk-modem-in-gnu-radio-with-message-lambda-blocks-and-eventstream/
>
> Many thanks,
> Murray
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to achieve continous modulation. However, that is a pretty specific
> implementation.
>
>
>
>
> 2018-03-13 6:22 GMT+03:00 Dan CaJacob :
>
>> I've got a pretty complicated example at
>> https://github.com/dcajacob/gr-ccsds However, it could be simplified by
>
uot;Socket PDU" and enters a scrambler.
> Which blocks should I use.
> Thank you in advance.
>
>
>
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just now
> set to zero.
>
> Is there any trick to round or even just truncate the number of decimal
> places shown in the QT Number Sink?
>
> Thanks,
> John
>
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>
>
> Thank you
>
>
>
>
>
> Samv
>
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Hey Afaq,
Unfortunately, GNURadio doesn't allow for signal feedback the way Simulink
does. You can do feedback *within* a block, but that probably defeats the
flexibility you were seeking?
- Dan
On Mon, Dec 4, 2017 at 9:33 AM Afaq Ahmed wrote:
> Hello,
> I want to implement spring
#x27;m attaching the (absurdly huge) .grc file. The canvas is 4192 pixels
> tall, so the flowgraph is smaller than the screenshot. :-)
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> https://lists.gnu.org/mailman/listinfo/di
er" wrote:
>> > > > > > > Sure, unless the dataCapture blocks (which I don't know) have
>> a bug.
>> > > > > > >
>> > > > > > > Best regards,
>> > > > > > > Marcus
>> > >
bit hesitant at first because that will end
> up needing 64bit division (which might really not be much fun on many
> ARMs), but meh, it's not like someone should be pushing tags around as
> if they're samples.
>
> Cheers,
> Marcus
>
> On Sun, 2017-11-12 at 23:33
uradio@gnu.orghttps://lists.gnu.org/mailman/listinfo/discuss-gnuradio
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n
> not eventuate?
>
>
>Kind Regards,
>
>
> John
>
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Modem HW.
> Is there anything like that in GNU Radio receiver blocks?
>
> Thank you in advance.
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Ve
ate"?
>> Thanks for your time.
>>
>>
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>>
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>>
>>
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Setup RF frontend clocking...
> -- Radio 1x clock:200
> -- Initialize Radio0 control...
> -- Performing register loopback test... pass
> -- Initialize Radio1 control...
> -- Performing register loopback test... pass
>
> How do I stop the UHD from doing this?
>
> Thanks for any h
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st archive at Nabble.com.
>>
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>
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That's out of my experience. But it's not easy - you have to learn RFNOC.
It's a lot of work. Try the Ettus channel.
On Mon, Apr 10, 2017 at 10:11 AM John B. Wood
wrote:
> On 04/10/2017 09:31 AM, Dan CaJacob wrote:
> > It's probably unreasonable to expect the ARM
uradio mailing list
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came up with conv encoding like to use octal to specify their polynomials.
- Dan
On Wed, Mar 22, 2017 at 10:16 AM Usman Haider
wrote:
> Hi Emanuel,
>
> Maybe you find following thread useful.
>
> http://lists.gnu.org/archive/html/discuss-gnuradio/2015-09/msg00404.html
>
>
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supports
> 1/2
> > rate. However we also need punctured codes like 3/4, 5/6, 7/8. Which
> block
> > should we use. Any recommendations?
> >
> >
>
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> Disc
er
>
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ating with different freuencies and
> pick the best one? Or what is the good thing to do here given I may
> also have to deal with quite a bit of noise.
>
> Any guidance appreciated.
>
> Many thanks,
>
> Dirk
>
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his message in context:
> http://gnuradio.4.n7.nabble.com/Block-Max-GNU-Radio-tp62533.html
> Sent from the GnuRadio mailing list archive at Nabble.com.
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epoch in 1970? In any event, a unix time stamp is fairly common,
unambiguous way to specify a time.
Thanks,
Dan
On Tue, Dec 6, 2016 at 8:19 PM Eugene Grayver
wrote:
> This is being posted to both GR and Ettus forums because both groups
> should be aware.
>
>
> The va
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Hi Chris,
I've been using GNURadio for sat comm like this for a while, as have
others. It's a great tool for the job! To be frank though, this is more
than a $500 hit job. Good luck in your search.
- Dan
On Fri, Oct 7, 2016 at 5:45 PM Chris Cook wrote:
> I have a project th
write speed, so didn't try to find a U3 in 256MB).
>
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why doesn't it have 'fix' too?
>
>
>
> --
> GDB has a 'break' feature; why doesn't it have 'fix' too?
>
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Is there a smarter way?
>
> Rich
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hu, Apr 28, 2016 at 3:34 PM, Richard Bell wrote:
>> Do you specifically not want to use uhd_siggen_gui when you say you want to
>> use companion?
>>
>> If you were not aware of uhd_siggen_gui, type that into a command line and
>> test it out. It can generate a sweeping ton
radio companion block set?
Thanks
Dan
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adio
>>
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We are trying to use simple time of arrival so
using a 1PPS sync of a GPS should bee good enough.
For this Mega Burst detector, much can be learned with out the need for
VLBI type of resolution.
This is sort of like the LIGO gravity wave detector
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Marcus,
Thank you for your replies
Yes, No way with a dipole at a signal flux of 30J
In discussions with two of our faculty members I was told that
the bursts can be 10,000 J and attempts to find an afterglow
have not yielded certain results.
it is not known if any big antenna was really point
consideration
Dan
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the combination of Quadrature
>> > Demod->Clock Recovery MM->Binary Slicer - and neither
>> > works.
>> >
>> > I've also played with the Polyphase clock sync but I
>> > don't see any noti
I don't know much about cell phones, but would it help if you placed a call
to a known number? Does that force a response? Of course, this might be
counter-productive in a congested disaster environment.
- Dan
On Mon, Mar 14, 2016 at 10:56 AM Meny Sidar wrote:
> Hi guys,
>
>
re's a similar issue with some
> versions of glibc and boost. See
> https://github.com/gnuradio/gr-recipes/pull/4#issuecomment-181188909
> (seems unlikely in this case). BTW, if you see a problem in the code that
> keeps coming back you don't have to wonder who does it... you c
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ontrol ports to compare the two, there is an improvement with volk. But
> > I like that someone looking into the block can see how not to do it and
> > then how to do it. Good for beginners jumping into GNU Radio.
>
> That's noble, but for core GNU Radio stuff it's proba
to the current state and every column to an input.
>
> The entry is a number from 0 to I-1 (where I is the input cardinality).
>
> How this index is translated to an actual signal IS NOT PART OF THE FSM
> DEFINITION but part of the modulation definition as explained very
> extensively in the gr-trellis documentation.
>
>
>
> let me know if you have any further questions,
>
> Achilleas
>
>
>
>
>
>
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It looks like this also applies to blocks that have been "bypassed." Makes
sense.
On Fri, Sep 4, 2015 at 11:48 PM Dan CaJacob wrote:
> Hey Tom,
>
> I ran into this "math domain error" with CtrlPort recently. Based on your
> suggestion that it might be relat
Hey Tom,
I ran into this "math domain error" with CtrlPort recently. Based on your
suggestion that it might be related to zero work blocks causing a divide by
zero, I started hacking away anything that might be being short-circuited
in the relatively complex flowgraph. First, an shorted branch o
Sorry, that is a WX-only option for now. Sigh.
Very Respectfully,
Dan CaJacob
On Thu, Feb 19, 2015 at 3:40 PM, Richard Bell
wrote:
> Dan,
>
> You can turn persistence on!? I use qt widgets, I don't see that option in
> the Time Sink. Is this a WX only option?
>
> v/r,
I'll add one thing to Marcus' recommendation: turn on persistence in the
scope widget. Then you've got a great eye-diagram!
Very Respectfully,
Dan CaJacob
On Thu, Feb 19, 2015 at 4:33 AM, Marcus Müller
wrote:
> Hi Mostafa,
>
> yep, these are not GNU Radio core visua
mands available for
the newer boards, but it's not clear to me if they are integrated into the
driver. Seems likely, though.
Very Respectfully,
Dan CaJacob
On Wed, Feb 18, 2015 at 4:29 PM, John Malsbury wrote:
> I've recently received a request to have GNU Radio flowgraphs recover
&
Hi Luis,
I am pretty certain there is a block in mainline GR to do this with
tagging. Burst tagger maybe? The tags define the burst boundaries and a
timestamp is recorded as well.
On Jan 2, 2015 5:46 PM, "Luis Colunga" wrote:
> Hello,
>
> I have a Python handcoded block in which I want every
t:
> http://gnuradio.4.n7.nabble.com/Best-Resample-Method-For-Resampling-LTE-Data-tp51496.html
> Sent from the GnuRadio mailing list archive at Nabble.com.
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uIzp0
>> +GHF6gvt6Ss1KBXkSRWDSqlYpkbl3J/b6/nNqDFmY8iiZjIyCKMt9JYUaN0y72E=
>> =AM87
>> -END PGP SIGNATURE-
>>
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.
Thread:
http://lists.gnu.org/archive/html/discuss-gnuradio/2013-07/msg00058.html
Wiki Summary:
http://gnuradio.org/redmine/projects/gnuradio/wiki/SignalProcessing
Very Respectfully,
Dan CaJacob
On Mon, Nov 17, 2014 at 2:09 PM, Richard Bell
wrote:
> Would someone please recommend a book t
your RX being over-driven (dying).
Good luck.
Very Respectfully,
Dan CaJacob
On Tue, Nov 11, 2014 at 11:07 AM, Lucas Lopez wrote:
> hi everyone. i was working with the USRP1. I'm testing a MOD/DEMOD DBPSK.
> I have only one USRP, so, i connected TX_A( from daughterboard LFTX-LF)
Thanks, Marcus. You're absolutely right. I didn't read carefully enough.
Very Respectfully,
Dan CaJacob
On Tue, Nov 11, 2014 at 11:33 AM, wrote:
> Dan:
>
> That's generally good advice, with the single exception of the BASIC/LF
> card family--they don't hav
I often use the unpacked_to_packed block inline as well to save space and
transfer time if I am saving a bunch of decoded data. This may not be an
issue if you aren't doing things remotely.
Very Respectfully,
Dan CaJacob
On Wed, Oct 22, 2014 at 9:07 AM, Tom Rondeau wrote:
> On Wed
John,
I use the BE FLL for auto-doppler correction in the rare case where I am
not actively correcting for doppler. But, the correction is *really*
slow. I'm probably not using it correctly, but it works OK in that rare
case when it's all I've got.
Very Respectfully,
Dan CaJac
aching the length of
the PRBS itself to correct for any offset.
Thanks for suffering through to the end.
Very Respectfully,
Dan CaJacob
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slowliness.
Very Respectfully,
Dan CaJacob
On Fri, Oct 10, 2014 at 2:14 PM, John Malsbury wrote:
> Default scheduler.
>
> tb.start(1024), with different values, etc, etc.
>
> Most of the downstream blocks are stock GNU Radio blocks - a delay block
> (max delay is 1 sample), logical
Does this change affect the recommended block settings to make the magic
happen?
Very Respectfully,
Dan CaJacob
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
I've never used it for RF work, but pandas is a very powerful framework for
working with timeseries and multi-dimensional data.
Very Respectfully,
Dan CaJacob
On Wed, Jul 16, 2014 at 11:20 AM, Marcus Müller
wrote:
> Hi Peter,
>
> GNU Radio is based very much on the idea of a d
Also, see
http://gnuradio.org/redmine/projects/gnuradio/wiki/SignalProcessing where
some of my own questions have been answered.
Very Respectfully,
Dan CaJacob
On Sat, Jul 5, 2014 at 11:37 AM, jason sam wrote:
> ok thanx for the replies!
>
> On Sat, Jul 5, 2014 at 7:19 PM, Vanus
Hey Tom,
Yes, it was definitely pulling the correct endpoint. Even though it is
backgrounded, I have a log for everything that ran.
Very Respectfully,
Dan CaJacob
On Fri, May 23, 2014 at 11:26 AM, Tom Rondeau wrote:
> On Thu, May 22, 2014 at 11:09 AM, Dan CaJacob wrote:
>
>>
one uncommented line:
ControlPort.Endpoints = tcp -t 5000 -h 127.0.0.1 -p 23456
I had extended the timeout, attempting to resolve the problem, but had no
luck.
Very Respectfully,
Dan CaJacob
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Try:
sudo apt-get remove --purge libboost*
sudo apt-get install libboost1.48-all-dev
You may then have to install gnuradio and uhd again, since they depend on
boost:
sudo apt-get install gnuradio uhd
Very Respectfully,
Dan CaJacob
On Wed, May 21, 2014 at 4:40 PM, muse_ee wrote:
> He
original problem was on multiple machines and across multiple tries to
build with pybombs, so this final success was definitely the result of
something done differently.
Very Respectfully,
Dan CaJacob
On Fri, May 16, 2014 at 12:05 PM, Dan CaJacob wrote:
> Thanks, Tom! See my comments
Thanks, Tom! See my comments in context below:
On Fri, May 16, 2014 at 9:05 AM, Tom Rondeau wrote:
> On Fri, May 16, 2014 at 1:21 AM, Dan CaJacob wrote:
>
>> Running find to search for the missing library does find it at:
>>
>> /usr/lib64/libIce.so.35
>>
&
Running find to search for the missing library does find it at:
/usr/lib64/libIce.so.35
Very Respectfully,
Dan CaJacob
On Fri, May 16, 2014 at 1:20 AM, Dan CaJacob wrote:
> Building GR with the latest pybombs completes successfully, but when
> calling a GR binary, there's an erro
hared object file: No such file or directory
This is on Ubuntu 12.04 x64
Very Respectfully,
Dan CaJacob
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I'm not sure it's what you want, but the RPC Server block lets you change
the value of any GR variable in a running FG remotely. There also seems to
be some work ongoing t bring zeromq endpoints into GR.
Very Respectfully,
Dan CaJacob
On Thu, May 8, 2014 at 1:07 PM, Achilleas Anas
This should get you most of the way:
http://gnuradio.org/redmine/projects/gnuradio/wiki/Move_3-6_to_3-7
Very Respectfully,
Dan CaJacob
On Tue, May 6, 2014 at 12:08 PM, 王先达 wrote:
>
> Hello all
> Now i want to convert old Gnu Radio applications which were
> developed in
Yep, Mike, I am going to post this over on the Ettus ML. I'll copy you.
Very Respectfully,
Dan CaJacob
On Fri, Apr 18, 2014 at 5:01 PM, Tom Rondeau wrote:
> On Fri, Apr 18, 2014 at 4:58 PM, Dan CaJacob wrote:
>
>> I got the same error at work on my newly upgraded 64 b
I haven't fixed it. That's why I am piggy-backing on your email.
Very Respectfully,
Dan CaJacob
On Fri, Apr 18, 2014 at 5:00 PM, Mike Willis wrote:
> That's interesting as its more or less the same here, except my last build
> was a couple of days ago. I am also ru
I got the same error at work on my newly upgraded 64 bit laptop running
Ubuntu 14.04 Strangely, I built last night on a similar laptop with no
problems.
Very Respectfully,
Dan CaJacob
On Fri, Apr 18, 2014 at 4:48 PM, Mike Willis wrote:
> Yet more difficulties. Having found a work around
when I close the parameter window,
nothing actually changes. I also saw similar behavior with combo boxes.
In that case, selecting an option did not take, but overwriting it did.
Very Respectfully,
Dan CaJacob
On Thu, Apr 10, 2014 at 7:00 PM, Marcus D. Leech wrote:
> On 04/10/2014 04:1
Nick,
Are you going to release the non-coherent timing recovery improvement as a
separate block too (not baked into a GMSK hier block)? Thanks!
Very Respectfully,
Dan CaJacob
On Fri, Feb 28, 2014 at 11:51 AM, Nick Foster wrote:
> I'm working on a generalized CPM demod based on Ach
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