James,
I find an easy approach is to write the signal out as alternating i/q
binary if it's not already. That can be read into audacity as stereo
(File -> Import -> Raw), edited and written back out as raw data without
header (File -> Export -> Export Multiple, and choose Raw Headerless).
Do
hat sounds like "mwah mwah mwah mwah"
Attached is a .png of my flowgraph, hope it's not too large for the list
(about 100kB).
Appreciate any advice anyone might have.
Nathan
On 8/3/21 3:47 AM, Mike Markowski wrote:
Nathan,
When I was refreshing my gnuradio awareness - I hes
Nathan,
When I was refreshing my gnuradio awareness - I hesitate to use the word
"skills" :-) - I ran through the official tutorials and modified them
as needed to work with a usrp b210. On the page
https://udel.edu/~mm/gr/
about halfway down is the title "Gnuradio Official Tutorials" w
With thanks to Christophe for his excellent advice, removing
~/.cache/grc_gnuradio/cache.json fixed things up. After needing to do
this now & then, I have a new gr heuristic:
if (weirdnessReigns) { delete cache.json; }
Thanks, Christophe!
Mike
On 4/24/21 2:55 PM, Mike Markowski w
still get errors previously posted. Are there other files
gnuradio-companion is looking at that could be the culprit?
Thanks,
Mike
On 4/24/21 1:04 PM, Mike Markowski wrote:
Thanks for checking, Christophe. I agree that it's strange. I've been
away from gnuradio doing some cyclo
e Seguinot wrote:
This flowgraph is correctly build under GR 3.9.0.0 (no USRP source to
test further)
The error is quite strange, I think there is no "len_tag_name" parameter
in such a simple flowgraph
On 24/04/2021 16:35, Mike Markowski wrote:
I'm running gnuradio companion 3
I'm running gnuradio companion 3.8.1.0 (Python 3.8.6) on Ubuntu 2020.10.
After a few weeks away from gnuradio, today I get errors with the USRP
UHD Source, and previously working flowgraphs no longer build.
(Previously built flowgraph python files still run fine.) The attached
flowgraph doesn
Hi George,
You used differential encoding but forgot differential decode. I added
the block in the attached. (I disabled your file creation and displayed
to gui, easier for me to check.)
Little things are the hardest to spot. :-)
Mike Markowski
On 3/12/21 4:46 PM, George Edwards wrote
e bit stream plot and allow a second or two after changing
delay to see the effect.
Hope this helps,
Mike Markowski
On 3/12/21 10:37 AM, George Edwards wrote:
Hello,
I cannot get the combined Constellation Modulator/Decoder as shown below
to work. The figure below is an example from the o
lains
that it can't find cheetah even though cheetah v2.4.4 is in /usr/bin/.
Definitely not end of the world since is easy enough to not use anaconda
tree, but we also have other things like gpib control, etc., that would
be nice to not install twice.
Thanks!
Mike
re more or less
identical so that what pybombs does there works in the lab.)
Mike Markowski
On Mon, Feb 8, 2016 at 10:03 AM, Collins, Richard <
richard.coll...@axenterprize.com> wrote:
> Scratch that.
>
> Perhaps add this little nugget of info to the README? (for people like
installed pybombs, I defined the installation prefix when the
>> several prompts are asked at the beginning.
>>
>> Sent from my Cyanogen phone
>>
>> On Aug 3, 2015 4:39 PM, Mike Markowski wrote:
>> >
>> > I use gentoo at home and have no difficulty
I use gentoo at home and have no difficulty keeping gnuradio up to date.
At work we're on a standalone network (no internet) so occasionally bring
computers home to update them. Lately, I've been having trouble with
pybombs. Using a freshly installed ubuntu 15.04, then doing an
apt-get update
I've been getting these errors when trying to update gnuradio for a week
or so now. (I admit to not having tried to tackle them yet, hoping it
would cure itself!) Have any other gentoo'ers?
Thanks,
Mike
# emerge gnuradio
[...]
[ 36%] Building CXX object
gr-blocks/lib/CMakeFiles/gnuradio-blo
Tom,
I'm new to gnuradio, so let's see if any replies offer better advice.
But I did something similar to what you ask. In my case, the value of
the variable is a call to my python code. You can see what I did in the
top two examples at
http://udel.edu/~mm/gr/
Both grc file and my code
On 03/06/2015 03:30 PM, Martin Braun wrote:
Mike,
have you gone through our beginner's tutorials? [...]
Martin, I will revisit them. At this early stage, at each iteration I
absorb some more. Your note implies my answer is there, so off I go...
On 03/06/2015 04:08 PM, Iain Young, G7III w
direction regarding how to use existing blocks.
If I'm correct, what would be the best modulator to study - BPSK?
("Best," meaning easiest for someone new to gnuradio to understand.)
Thanks very much,
Mike Markowski
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Discuss-gnuradi
all users. For what it's worth, we saw a very similar issue several
version ago and the problem turned out to be very obvious in the full
build log. Likely there are some improper paths for QT getting
autodetected.
Thanks,
Zero_Chaos
On 02/18/15 16:13, Mike Markowski wrote:
[...] 'Ge
Just a followup to my own note. I did
ldd /usr/lib/libgnuradio-qtgui-3.7.6.1.so.0.0.0
and no library comes up as missing.
Thanks,
Mike Markowski
On 02/18/2015 04:13 PM, Mike Markowski wrote:
I was excited to successfully try an rtl-sdr GRC demo/tutorial and
decided to start following the
trellis -uhd -vocoder
-zeromq" PYTHON_TARGETS="python2_7" 0 KiB
Total: 1 package (1 reinstall), Size of downloads: 0 KiB
As I mentioned, all works well with RTL-SDR source, so I assume there is
a QT problem of some sort?
Thanks!
Mike Markowski
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https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
Bug: It is 'Alles klar, Herr Kommissar'. (Nicht 'all ist klar'.)
:-)
Mike
On 10/31/2014 02:07 PM, Jeff Long wrote:
On 10/30/2014 03:04 PM, Ryan Marlow wrote:
I've seen this comment for a while now in flowgraph.cc and most of the
time chose to ignore it. Today I saw it and decided to do a quic
On 08/28/2014 10:32 AM, Tom Rondeau wrote:
On Mon, 25 Aug 2014 20:50:42 -0400
Mike Markowski mailto:mike.ab...@gmail.com>>
wrote:
> I have experience in DSP but am completely new to Gnuradio and
> excited to get started. Because I'm also a ham [...]
I have experience in DSP but am completely new to Gnuradio and excited to
get started. Because I'm also a ham I am thinking of buying one of
1. lp-pan (US $250)
2. softrock Ensemble II (US $87)
and have a linux-only computer. With that tiny background, I wonder if any
list members would recomme
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