this new wide-coverage receiver might interest some on the
list. interesting specs.
the manufacturer is hobbyist-friendly, so it might be actually priced
somewhere in the range of reality...
-bernieS
http://radio.tentec.com/Commercial/RX400
RX-400 PRELIMINARY SPECIFICATIONS
FREQUENCY COVERAGE:
/products/index.cfm?gID=17&productID=685
-bernieS
At 03:39 PM 5/3/05 +0930, Berndt Josef Wulf wrote:
G'day,
If the price tag for the RX340 is any indication at US$3950.00, the RX400
definitely won't be a hobby friendly price rig.
cheeiro Berndt
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTE
hat future articles can benefit ;-)
-ed
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alue mm_val in M&M
implementation, but definitely makes its analysis more complicated.
Hope this is still useful to you. Cheers,
Ed
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::__1::vector >&, std::__1::vector >&) in sink_uc_impl.cc.o
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
make[2]: *** [gr-video-sdl/lib/libgnuradio-video-sdl.3.7.6git.dylib] Error 1
make[1]: *** [gr-vi
Hi:
I am having problems building gnuradio on armV7 that I cannot figure out. I am
using pybombs.
Here is a snapshot of the errors during the build:
Built target pygen_gr_vocoder_examples_6232c
[ 23%] Built target fcd_swig_swig_doc
[ 24%] Built target pygen_gr_fcd_python_fcd_2e9af
[ 24%] Built t
category tree.
Warning: Block key "qtgui_vector_sink_f" not found when loading category tree.
<<< Welcome to GNU Radio Companion 3.6.4.2 >>>
Showing: “"
As you can see I lost most of the QT stuff that I need.
Any Ideas on what I did wrong in the installation or configuration?
Thanks,
Ed
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spectrum. Its up to you.
But you'll be REALLY unpopular if you plop a 6 MHZ wide channel right
in the middle of the voice VHF band! Not to mention earning a visit
from the FCC (if you're in the US)!
@(^.^)@ Ed
On 11/17/15 5:07 PM, Rama V wrote:
Thanks for the reply Marcus. So thi
same,
except that you're looking for a correlation over a bigger chunk
of data (ie - a whole sync word) instead of over just one bit.
@(^.^)@ Ed
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Do you have four unique IP addresses assigned to the four USRPs?
If they all have the same default address, this could cause the four
packet streams to look like one stream, but the sequence numbers
wouldn't track, hence the ""s.
@(^.^)@ Ed
On 6/23/16 10:24 PM, Pavan
is
produced.
I'm sure I've missed something fairly basic, any help would be appreciated.
Thanks.
-Ed
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Kevin:
Thank you for the quick and complete reply, I appreciate the help!
-Ed
On Wed, Jun 29, 2016 at 11:04 AM, Kevin Reid wrote:
> On Jun 29, 2016, at 07:50, Ed Coleman wrote:
> > if __name__ == '__main__':
> > simpleTone().run()
> >
> > The code ab
Considering the simple flow graph attached, a random number is generated at
a sample rate of 32kHz. I’m seeking a method to ‘expose’ the floating
point number to external python code. This code would need to be updated at
every 'tic' of the sample rate. Initially I had considered using the probe
mples per second
out of this block and into an array in python so that I can manipulate the
data. It seems as though this may be a more in depth question than I
realized.
-Ed
-
Hi Ed,
to what do you need that number "delivered"? That's the interesting poin
rs with a chunk of workload at once; so possibly
> this isn't even a problem, because the program you want to use to work on
> that data might be expecting buffers of samples, too.
>
> Best regards,
>
> Marcus
> On 19.07.2016 22:11, Ed Coleman wrote:
>
> Hello Mar
Your flowgraph intrinsically has one symbol per sample in the data generation
portion. You need a resampler just ahead of the throttle to interpolate in
order to increase the number of samples per symbol.
@(^.^)@ Ed
Sent from my iPhone
> On Jul 21, 2016, at 3:15 PM, Olivier Goyette
>
.
Within the hier block I have a parameter block with the ID 'avgLength' and
the moving average block has a length of 'avgLength' and a scale of
'1.0/avgLength'. How do I pass the value of avgLength from the top block
into the parameter of the hier block?
Thanks in
I 'thought' that my reply would appear threaded within the discussion I was
reading (
https://lists.gnu.org/archive/html/discuss-gnuradio/2013-02/msg00336.html)
my apologies for any confusion
On Mon, Jul 25, 2016 at 3:35 PM, Ed Coleman wrote:
> This was a very helpful in
Thank you Marcus. I was overlooking the input fields in the property
settings for the hier block. As usual the answer seems simple once it is
explained.
-Ed
On Mon, Jul 25, 2016 at 4:36 PM, Marcus Müller
wrote:
> For lazy people: This is about generating hier blocks with GRC.
>
> E
ifo is still empty, push a FLAG into it
if(d_fifo.empty())
{
push_flag();
}
// Output a bit from the bitbuf in the low-order bit of the output byte
outbuf[i] = d_fifo.pop();
}
return noutput_items;
}
@(^.^)@ Ed
On 8/16/16 8:12 PM, Inspire Me wrote:
Hi Ed
Thank you for
On 8/16/16 11:28 PM, Inspire Me wrote:
Hi Ed
Much appreciated. You mentioned latency due to queued flags. This has
potential to cause us issues. I was wondering if it is possible to build
a block as a sort of switch that takes input from the standard HDLC
Framer but executues continuously, ie
cr-1a-reference/
@(^.^)@ Ed
Sent from my iPhone
> On Sep 6, 2016, at 4:34 AM, Marcus Müller wrote:
>
> Yes, you can :) Offering synchronization using external 10MHz and PPS signals
> is the purpose of the Octoclock-G !
>
> However, the B210's LOs will have a random phas
On 9/6/16 10:56 PM, Cinaed Simson wrote:
On 09/06/2016 02:05 PM, Ed Criscuolo wrote:
I've just ordered one of these SDR standalone radios,
It appears to be a radio - not a SDR.
No, it is an SDR internally, with a self-contained User interface
and sound output that makes it a complete
What about an RFNoC solution?
@(^.^)@ Ed
Sent from my iPhone
> On Sep 26, 2016, at 7:16 PM, Sylvain Munaut <246...@gmail.com> wrote:
>
> Hi,
>
>
>> It seems like a perfect fit for a poly phase filter - however this is
>> something that I believe needs to
Yep, that was me. I was getting to pipe-in with the same suggestion.
@(^.^)@ Ed
On 10/10/14 8:20 PM, Vanush Vaswani wrote:
I ran into this problem when doing 57.6kbps BPSK decoding, AX.25. The
only way I was able to fix it was to reduce GR_FIXED_BUFFER_SIZE in
flat_flowgraph.cc.
This is
our application we were able to strike that balance.
Your mileage may vary.
@(^.^)@ Ed
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e number
to gen up a timestamp value for the header?
@(^.^)@ Ed
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irection? Am I just missing
it or is there no "generic" header formatter capability?
@(^.^)@ Ed
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On 11/14/14 4:49 PM, Tom Rondeau wrote:
On Fri, Nov 14, 2014 at 3:14 PM, Ed Criscuolo
mailto:edward.l.criscu...@nasa.gov>> wrote:
I'm trying to use the Packet Header Generator block
(not the Default one) from within GRC to generate a
packet header formatted to my own sp
Thanks Kai.
Which OSX are you using: Mountain Lion, Mavericks, or Yosemite?
@(^.^)@ Ed
Sent from my iPod
On Dec 29, 2014, at 6:44 AM, Kai Garrels wrote:
> Dear all,
>
> not sure if this is still interesting: I managed to install gnuradio without
> X11 on Mac OS X using
e portions of the flowgraph that are dealing with packed or
unpacked data bits, as these are at a MUCH lower rate than the I/Q
samples going into the demodulator.
@(^.^)@ Ed
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My blood pressure spiked for the first sentence and a half! (then I
remembered the date)
@(^.^)@ Ed
On 4/1/15, 3:30 PM, Martin Braun wrote:
*Move to .NET*: This is probably the biggest change for now. Because of
our continuing troubles with SWIG, we decided to move to a different
platform
:build /usr/local/include/sys/Conf.h:28:12: fatal error: 'iosfwd'
file not found
:info:build # include
:info:build^
...
Is this a known problem?
@(^.^)@ Ed
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entical.
I may try editing my "myports.txt" file to omit all but the most recent
versions of each port and try again. Failing that, the only course
I see is to wipe everything again and start installing them one by one,
by hand. :((
Any suggestions would be welcome.
@(^.^)@ Ed
On 7/1/15
error: 'iosfwd'
file not found
:info:build # include
:info:build ^
...
Help!
@(^.^)@ Ed
On 7/2/15, 12:43 PM, Michael Dickens wrote:
Hi Ed - Sorry to hear of your troubles migrating / upgrading MacPorts.
Yes, it can be a real pain. If you stick with default varia
sine wave should have a single peak on the spectrum.
@(^.^)@ Ed
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I was using a different version
of Ubuntu that time, but I am not sure.
ED
|
--
RF, Microwave, Antenna, and Analog Design,
Development,Simulation, and Research Consulting
http://aeroconsult.com
Aerospace Consulting LLC
P.O. Box 536
Buckingham, Pa. 1891
know I installed usrp and also rtl-sdr files, but apparently not in
the correct place.
My directory structure is:
Any ideas where I went wrong, or how to fix this?
Ed
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erything that I installed using pybombs. How
do I get this into my setup without messing it all up? Using pybombs I
installed everything into ~/prefix/default
Ed
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="usb", ATTRS{idVendor}=="0bda", ATTRS{idProduct}=="2838",
GROUP="adm", MODE="0666", SYMLINK+="rtl_sdr"
But, when I try to run the example, I still get the above error. Any
ideas what I
UBSYSTEM=="usb", ATTRS{idVendor}=="0bda", ATTRS{idProduct}=="4014",
GROUP="adm", MODE="0666", SYMLINK+="rtl_sdr"
Ed
On 9/28/2017 4:20 PM, Federico 'Larroca' La Rocca wrote:
Hi,
I think you've forgotten to blacklist the dvbt dr
Micro R820T tuner
[R82XX] PLL not locked!
[R82XX] PLL not locked!
Ed
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, they should be back on the market soon. And, as a student
you can probably get one for $99. The worst case would be $150.
Ed
On 9/29/2017 4:18 AM, w xd wrote:
Hello guys,
Have some suggestion on the cheaper SDR platform for
us to use with the GNURADIO software? As a
get from the
above-mentioned web site.
Thanks,
Ed
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Hi Blake,
I saw that, and some other things, but I am wondering if that will work
in my case since I installed Gnuradio-companion using PYBOMBS. I believe
that results in a totally different directory structure, but I am not sure.
Regards,
Ed
On 11/21/2017 12:21 PM, Brashendeavours wrote
Forwarded Message
Subject: Re: [Discuss-gnuradio] How to get PlutoSDR Sink and Source
into Gnuradio in Linux Ubuntu 17.04
Date: Tue, 21 Nov 2017 13:18:42 -0500
From: Ed Troy
To: Brashendeavours
My setup is under ~/prefix/default
Actually, I had tried that
mbs install gr-iio
Please try these instructions and if any give you an error, post that.
gnuradio-companion gives me:
Inline image 1
Blake
On Tue, Nov 21, 2017 at 1:18 PM, Ed Troy <mailto:et...@aeroconsult.com>> wrote:
My setup is under ~/prefix/default
Actually, I had tr
l gr-iio
Please try these instructions and if any give you an error, post that.
gnuradio-companion gives me:
Inline image 1
Blake
On Tue, Nov 21, 2017 at 1:18 PM, Ed Troy <mailto:et...@aeroconsult.com>> wrote:
My setup is under ~/prefix/default
Actually, I had tried tha
What could cause that? I just confirmed that the notebook has internet
connectivity.
On 11/21/2017 2:41 PM, Brashendeavours wrote:
It looks like that error occurred because your PyBombs doesn’t a
connection to download gr-iio? “Unable to fetch”
On Nov 21, 2017, at 2:36 PM, Ed Troy
?
I’m not sure what to say at this point.
Start from absolute scratch?
I can delete and install gnuradio, and gr-iio on my Ubuntu 16.10
Desktop and VM, using PyBombs. Pluto gets installed.
Sent from my iPhone
On Nov 21, 2017, at 3:32 PM, Ed Troy <mailto:et...@aeroconsult.com>> wrote:
N
should find it! :)
Sent from my iPhone
On Nov 21, 2017, at 4:40 PM, Ed Troy <mailto:et...@aeroconsult.com>> wrote:
I did find a gr-iio.lwr file in home/.pybombs/recipes/gr-recipes/
along with many, many other *.lwr files in the notebook
On 11/21/2017 3:44 PM, Brashendeavours wrote
/blog/pybombs-the-what-the-how-and-the-why/
But, that did not work.
I would prefer to use Pybombs, but don't really care as long as I get a
working system.
Thanks,
Ed
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I could never get the Pluto modules to work with gnuradio under Ubuntu
17.04. So, I scrapped that and installed Ubuntu 16.04.3 LTS. Now, when I
try to install gnuradio, the following happens with the following
errors., primarily Internal compiler error
edtroy@ubuntu:~$ pybombs prefix init -a d
results indicated that the changes worked. And, I have
tried using the Pluto at higher frequencies to detect a WBFM signal, and
it still does not work properly. So, I know it has to be something with
my grc file.
What am I doing wrong?
Ed
Thu Nov 20 18:01:12 2014
options
results indicated that the changes worked. And, I have
tried using the Pluto at higher frequencies to detect a WBFM signal, and
it still does not work properly. So, I know it has to be something with
my grc file.
What am I doing wrong?
Ed
Thu Nov 20 18:01:12 2014
options
, perhaps they could publish the grc file?
Regards,
Ed
On 12/15/2017 8:33 PM, Kyeong Su Shin wrote:
Dear Ed Troy:
I don't have the PlutoSDR with me right now, so I cannot test it now,
but a few things to check:
-Make sure that your Pluto can go down to 90MHz alright; it is only
rated to opera
t, it
should work. I was able to get an RTL to "sort of" work a while ago,
although the audio quality was very poor with a lot of noise and breakup.
Regards,
Ed
On 12/18/2017 3:07 PM, Kyeong Su Shin wrote:
Dear Ed Troy:
Update: I was able to reproduce (..or maybe create a similar)
I have an fft plot and I want to put a marker on the peak signal. I
don't see any way to do this, but I'm sure it can be done. How is this
done? I have tried both WX and QT Gui.
Ed
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"THIS CAUSES A PROBLEM!". But that happened in 2013. I don't
think there was ever a way you could place your own marker via the
GUI. Do you remember anything more about the functionality you're
thinking of?
On Fri, Jan 19, 2018 at 2:46 PM, Ed Troy <mailto:et...@aeroconsu
nt to
1000. This will shut down after 1 millisecond.
@(^.^)@ Ed
On 3/27/18 7:41 AM, Priyanka Priyadarshini wrote:
Thanks for your reply. But where should I connect the input and output
port of this head block?
Thanks
On Tue, Mar 27, 2018 at 1:26 PM, Gilad Beeri (ApolloShield)
mail
If you just hit reply, it only goes back to the poster. You need to hit "reply
all" to get it to go back to the list.
@(^.^)@ Ed
Sent from my iPhone
> On May 11, 2018, at 1:40 PM, F salem wrote:
>
> Dear all
>
> I made alot of post but it didn't shown i
But this would only work well if there is enough gap time and/or preamble bits
and/or fill bytes between the packets. Otherwise, you will consume and discard
the beginning of the next packet.
@(^.^)@ Ed
Sent from my iPhone
> On Dec 31, 2018, at 4:52 AM, Daniel Estévez wrote:
>
Companion 3.7.2.1 >>>
===
Also, when I run a flowgraph, I see this in the output:
===
Executing: "/Users/edwardc/Work/gnu_radio/DAS_Test_01.py"
Warning: failed to XInitThreads()
Using Volk machine: sse4_1_64_orc
===
Are either of these signi
code, and indeed, there is no method by any name
for setting the loop_bandwidth attribute.
@(^.^)@ Ed
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into the USRP N210. You should probably rerun make and
make install on gnuradio as well to insure you are linked
to the new UHD libraries.
@(^.^)@ Ed
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I've seen it stated here on the list that the MPSK receiver
block will work for either QPSK or OQPSK (Offset QPSK).
Anyone know if it will work with Shaped Offset QPSK
(SOQPSK) or the ARTM defined SOQPSK-TG?
@(^.^)@ Ed
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>::operator[](boost::intrusive_ptr const&) in
square_ff_impl.cc.o
...
It would seem to be a boost problem. Port shows me as
having boost 1.55.0 installed.
The same exact module makes fine on a different system
running 3.7.2.1 under
ss several mutually
contradictory suggestions.
@(^.^)@ Ed
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Connect up a null sink and null source in parallel with the uhd blocks. Then
right- mouse on the uhd blocks and select "disable". This will gray-out the
blocks and not compile them, but will leave them there preserving all your
parameters.
@(^.^)@ Ed
Sent from my iPod
On Apr 8, 2
arameter error(s). Give you
a chance to confirm or cancel the enter, because you may want to
deliberately enter something that's wrong now but will be
fixed later (for instance a variable name that you haven't
created yet).
@(^.^)@ Ed
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When using a Freq. Xlating FIR filter with decimation and taps
both set to 1, what determines the practical lower limit
for the resolution of the freq change?
@(^.^)@ Ed
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output two
streams. Stream 0 will contain the index value in the vector where the
maximum value occurred."
I checked the code template for max (GR v3.7.3), and it doesn't even
seem to retain the index of the max it reports.
@(^.^)@ Ed
y block to it? Or will this cause a confusion
at link time, by creating two libraries with the same name?
@(^.^)@ Ed
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c I have to go through
to make this accessor available from python?
@(^.^)@ Ed
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On 6/6/14 1:50 PM, Martin Braun wrote:
You also need to add the accessor in the include/*.h file as a virtual
member function.
Thanks Martin. That did it, although I had to rerun cmake to get it
to propagate into the swig files.
@(^.^)@ Ed
On 6/6/14 2:30 PM, Ed Criscuolo wrote:
On 6/6/14 1:50 PM, Martin Braun wrote:
You also need to add the accessor in the include/*.h file as a virtual
member function.
Thanks Martin. That did it, although I had to rerun cmake to get it
to propagate into the swig files.
Guess I spoke too
On 6/6/14 3:20 PM, Tom Rondeau wrote:
On Fri, Jun 6, 2014 at 3:02 PM, Ed Criscuolo
mailto:edward.l.criscu...@nasa.gov>> wrote:
On 6/6/14 2:30 PM, Ed Criscuolo wrote:
On 6/6/14 1:50 PM, Martin Braun wrote:
You also need to add the accessor in the include/*.h f
On 6/6/14 3:50 PM, Tom Rondeau wrote:
On Fri, Jun 6, 2014 at 3:37 PM, Ed Criscuolo
mailto:edward.l.criscu...@nasa.gov>> wrote:
On 6/6/14 3:20 PM, Tom Rondeau wrote:
On Fri, Jun 6, 2014 at 3:02 PM, Ed Criscuolo
mailto:edward.l.criscu...@na
file processing.
@(^.^)@ Ed
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use it
a lot to interactively manipulate large quantities of logged data.
http://www.visualdatatools.com/DataGraph/
@(^.^)@ Ed
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Michael,
Thanks for the rapid response!
Did a sync and tried installing it, and got the following
error while it was working off the dependencies:
[eds-mac:edwardc] edwardc% sudo port
MacPorts 2.2.1
Entering interactive mode... ("help" for help, "quit" to quit)
[edwardc] > install gr-mac
-
I have a vector quantity (size 1024), and I want to do a calculation
on it such that v_out[i] = v_in[i] - v_in[i-1]
Is such a calculation possible in GRC? I haven't found any way to
get a hold of the individual elements of a vector.
@(^.^)
Will that preserve the absolute positions of the original vector
elements? The initial vector represents an FFT, so it's
important to me that I keep the same positions.
@(^.^)@ Ed
On 12/19/11 4:33 PM, Allen, Cam wrote:
I would probably try converting the vector to a stream, delay the s
I did a hand-contrived case with a simple 16-element vector, and it
seems to work.
@(^.^)@ Ed
On 12/19/11 4:58 PM, Allen, Cam wrote:
Hmm... I'm not sure about that. Seems reasonable to assume that the
stream-to-vector and vector-to-stream blocks would be inverses of each other.
Mostl
Yes, I can do my own blocks. It would be pretty trivial to do it
there. I just wanted to know if there was an easy way to do it
solely using GRC.
@(^.^)@ Ed
On 12/19/11 5:05 PM, Nowlan, Sean wrote:
If you're somewhat familiar with how to write/modify blocks, it probably
wouldn
short distance away, blasting out 100mW (+20dBm).
Am I right to be concerned? By my rough back-of-the-napkin
calculations, with 3dB antennas, and about 1 1/2 meters separation,
I should be between -20 dBm and -10 dBm at the receiver.
@(^.^)@ Ed
ng GR 3.3.0, I've also
looked at the GR 3.5.1 xml description for a GRC UHD_sink block, and
can't even find where the transmit enable is.
Any help on this?
@(^.^)@ Ed
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Has anyone built 3.5.1 release and UHD 3.3.2 on OSX 10.6 (Snow Leopard) yet?
@(^.^)@ Ed
Sent from my iPod
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7; , required by 'UHD', not found.
==
This error message is incorrect. libusb-1.0-0 WAS installed. What
was actually missing was libusb-1.0-0-dev. Installing that package
allowed gr-uhd to be configured.
@(^.^)@ Ed
On 1/11/12 4:59 PM, Josh Blum wrote:
I dont think this is a tarball of the source tree. Rather, its a tarball
produced by autotools with only files listed by makefile.ams or
generated in autotools.
But what of the future? If autotools goes away in favor of cmake, does
this mean that tarballs wi
nce. The
reveive side of this flowgraph (not discussed) runs at
4 Msamples/sec and needs all the performance it can get.
So, my question (finally!) is:
Is there any way to selectively adjust the buffer size for
particular connections on the flowgraph, while leaving the
others at the
kHz wide signal partially out of
the passband.
@(^.^)@ Ed
Sent from my iPod
On Jan 12, 2012, at 9:46 PM, ke0ee wrote:
>
> We at the Deep Space Exploration Society are desiring to use an SDR-14 with
> GNU Radio because we want to use a Linux version. The SDR-14 software was
> only av
ncy! (1.04 ms/sample x 32k samples).
@(^.^)@ Ed
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so I don't know how fast
this setup will go, but it's worth pursuing.
@(^.^)@ Ed
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I know this is a stupid question, but I've been bitten by this before:
Are you SURE you're cabled to the Tx/Rx connector and not Rx2?
@(^.^)@ Ed
On 2/10/12 4:30 PM, Reginald Cornwallice wrote:
Hello All,
I'm having an issue with the transmit power on N210 + WBX not being ab
access it.
@(^.^)@ Ed
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can see some working applications when this
Nyquist theory is not respected. How come?
GnuRadio uses complex (I & Q) samples. This results in twice the data
per sample, satisfying the Nyquest criterion.
@(^.^)@ Ed
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the simulation to provide
a real-time "pacing", you will need to add a throttle block
(only one!) to each flowgraph to keep it from consuming all
cpu cycles.
@(^.^)@ Ed
On 3/8/12 11:09 AM, Nick Foster wrote:
On Thu, Mar 8, 2012 at 4:41 AM, ketlin Pedron mailto:pedron.ket...@gmail.c
to the build page on the wiki. The build
page on the wiki simply has a link that takes you back to the
3.6.1 README!
Any suggestions or help would be appreciated.
@(^.^)@ Ed
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assic interface, you directly set
the decimation factor, so you had to know the hardware sample rate in order to
know what sample rate you would end up with.
@(^.^)@ Ed
Sent from my iPod
On Jul 11, 2012, at 8:36 AM, Jamie Wo wrote:
> Hi Nick,
>
> Thanks for your reply.
>
&g
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