for (in gdb I assume)?
Memory leak? Run top in another window and watch the memory usage numbers.
I've seen lockups of this sort when multi-threaded python processes exit.
You might also like to take a look at what each thread is up to in gdb.
Mark
What does this mean in terms of using older non-UHD-native daughterboards such
as the DBSRX BasicRX?
To be honest, I haven't checked into the UHD driver, since the daughterboards I
have been working fine without it…
Best,
Mark
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On Oct 19, 2011
Thanks Robert,
I hadn't ever noticed it getting hot to the touch,
but I haven't tried running it w/ no fan top on either…
Best,
Mark
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On Oct 19, 2011, at 10:40 AM, Robert McGwier wrote:
Top on. Fire up the fastest card you have (widest band
Great, thanks for the clarification, Marcus (and Tom)…
Looking forward to the new developments!
Cheers,
Mark
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On Oct 20, 2011, at 12:01 PM, Marcus D. Leech wrote:
On 20/10/2011 11:58 AM, Mark Cetilia wrote:
What does this mean in terms
in advance,
mark
p.s. does anyone else have this same issue or is it just me? i'm wondering if
maybe it's just that my fan is defective…
20 dBA should be a whisper and mine seems to be much louder than that.
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On Oct 9, 2011, at 2:04 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
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On Oct 18, 2011, at 11:02 PM, Robert McGwier wrote:
Yes I have. I disconnected it. In my opinion, it is overkill for anything
going
ah yes, i feel it coming back, slowly.
thank you :)
m
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On Oct 9, 2011, at 3:39 AM, Mike Jameson wrote:
Hi Mark,
If you take off the top of the enclosure on the USRP1 then you don't even
need a fan!
Your sanity should then return
to have
an active loop for receiving, or if that's just for sending?
Apart from having built a square loop antenna
for receiving VLFs (from the Calvin R. Graf book),
I'm a total newbie when it comes to antennas,
so it all seems a bit daunting, as I'm sure you can imagine :)
Cheers,
Mark
replacement?
cheers,
mark
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—thanks again for all the help!
Cheers,
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On Oct 7, 2011, at 12:03 AM, Marcus D. Leech wrote:
On 06/10/11 11:51 PM, Mark Cetilia wrote:
Hi all,
Just curious if anyone might have some suggestions for a cheap (ideally
$100) portable antenna
looking decent for the price + form factor…
Anybody out there have experience with that antenna?
Other possible leads would be greatly appreciated as well.
Thanks so much!
Cheers,
Mark
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with endianness.
Any ideas / suggestions?
Cheers,
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On Sep 13, 2011, at 8:24 PM, Mark Cetilia wrote:
Thanks so much Marcus, this makes perfect sense…
Cheers,
Mark
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On Sep 13, 2011, at 7:45 PM
/ advice would be greatly appreciated…
Cheers,
Mark
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to Float, etc.)
but am just not getting my head around how GRC would handle this…
Cheers,
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On Sep 13, 2011, at 7:21 PM, Marcus D. Leech wrote:
On 09/13/2011 07:05 PM, Mark Cetilia wrote:
Hi all,
I would like to stream floating point
Hi all,
I want to know that if there is any possibility of having CATV on USRP ?
If yes please guide me.
Regards
Smith
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this a straightforward enough process, but not having written a GRC
block before,
I'm wondering if anyone might have pointers on where to begin, or might be
interested in a quick port.
Warm regards,
Mark
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, what to do, what's wrong.
One test file didn't report any error uhd_cc2420_txtest.py, and I can't figure
out why this code has this error.
Thank you very much.
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Thanks :)
On Tue, Jun 21, 2011 at 3:21 AM, John Andrews gnu.f...@gmail.com wrote:
http://vps.gnuradio.org/redmine/repositories/entry/gnuradio/gnuradio-examples/python/ofdm/gr_plot_ofdm.py?rev=ab6cf111c1d00b22d9016524b31cfcc6b09ffdc7
On Mon, Jun 20, 2011 at 1:21 PM, smith mark smith.mark1
...@corganenterprises.com wrote:
On Mon, Jun 20, 2011 at 11:03, smith mark smith.mark1...@gmail.comwrote:
As far as the result is concerned it seems right. But, I want to know that
whether this type of thing is conceptually right or not ??
It is functionally correct, as you noted, but using
Hi all,
I wanted to know that whether one can have multiple gr.top_block() or not?
for example
tb1=gr.top_block()
tb2=gr.top_block()
tb1.run()
tb2.run()
and have them running at the same time.
Regards
Smith
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Hi all
I want to plot the .dat files that are created by the benchmark_ofdm code.
But I didn't find the gr_plot_ofdm.py
file anywhere in the my gnuradio directory. I am using gnuradio 3.3.0. I did
find the plot_ofdm.m file but I want to
use python only. I downloaded gnuradio3.2.2 but didn't find
Hi
Thanks for the reply. I used tb1.start() and tb2.run() and I think that is
working. The two blocks don't have connections with each other.
The flow is like:
tb1=gr.top_block()
1. tb1.start()
2. Some variable declaration...
Repeat step 3 and 4, five times
3. A function that creates tb2 and
Hi
Thanks Achilleas, after doing this I got the desired result. One more
question please
What if I want to simulate a noisy channel? If my flow graph is like the one
shown below:
vector sourcetrellis encoder channel noiseviterbi or any
decoder---sink
Do I have to make any further
Hi everyone,
I want to implement convolutional coding using the trellis block. I don't
want to use any modulation scheme or anything else after the encoder. The
flow graph I want is shown below
vector sourcetrellis encoder viterbi or any decoder---sink
Part of the code is shown below
Hi everyone,
I am working on OFDM in gnuradio. I ran the benchmark_ofdm.py file.
Everything worked well, I want to ask one thing that I didn't see the last
packet on the terminal.
I set the packet size to 400 bytes and total number of bytes to be
transmitted to 1600. I should see 4 packets but i
\) but it's not working, so the problem is due to
paths. I downloaded UHD source code to D:\uhd. Maybe I set wrong some
parameters
in CMake.
Do you have any idea regarding this?
Thanks,
Mark.
From: Josh Blum j...@joshknows.com
To: Mark Colin markcoli
Hi Tom, Alex, and Josh,
We've started looking into logging for our modems as well. Currently we use
the python logging module for logging on the python side. We have started to
include the log4cplus library for logging in our blocks. We are starting with
each block having its own logger,
.
What could be the problem?
Thank,
Best Regards,
Mark.
From: Josh Blum j...@joshknows.com
To: Mark Colin markcoli...@yahoo.com
Cc: Discuss-gnuradio@gnu.org
Sent: Wed, April 27, 2011 3:13:39 AM
Subject: Re: Error when using UHD, GRC
On 04/26/2011 04:59 PM
anybody tell me what the problem could be?
Thank you very much.
Best regards,
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to this error but no success. Why it requires
other version? I installed latest versions from each installer.
Thanks,
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, NO? therefore I should see results from
uhd_usrp_probe and after thet this error. I'll have to check the source code
for
these examples.
Thank you very much.
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with paths, anyway that's not a good practice to use hardcoded things
into the application, maybe this is why it can't find the DLL files.
Thanks you very much Josh.
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Hi Josh,
excuse me, right now I checked your website and read about MSVC
redistributable
package from microsoft and the recomandation to install it to c:\program files
(x86). I will check if it's working with these changes.
Thanks,
Best regards,
Mark
).
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the result is the same as
before, no error, from ...\UHD\binuhd_find_devices.exe comes back to
...\UHD\bin, so it's a situation of everything is installed but nothing works.
Anyway thank you very much for the information.
Have a nice day.
Best regards,
Mark.
From
and
uhd_usrp_probe.exe nothing works. Initially I installed everything under Ubuntu
Linux, but no success, anyway I would like to work under windows. Could anybody
tell me what I've done wrong?
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but for me
and others who are starting to use UHD, GNURADIO it's quite difficult. If there
were such kind of tutorial this whole forum wouldn't be full of questions from
begginers related to different installation issues.
Thank you very very much for your answer.
Mark
at the Osmocombb project.
Mark
[1]
http://events.ccc.de/congress/2010/Fahrplan/attachments/1783_101228.27C3.GSM-Sniffing.Nohl_Munaut.pdf
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in receiving?
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Oops... I meant to send this to the list.
Begin forwarded message:
From: Mark J. Blair n...@nf6x.net
Date: March 3, 2011 6:38:46 PM PST
To: ranjini ram ranjinira...@gmail.com
Subject: Re: [Discuss-gnuradio] choice of antenna and daughter board
On Mar 3, 2011, at 6:15 PM, ranjini ram
On Feb 8, 2011, at 5:07 AM, Nick Othieno wrote:
Do I sense a Marie Curie in the making?
Remember, kids: It's not the volts that kill you. It's the amps.
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plenty of room in
the SDR user base for hardware with different feature sets and price points.
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block diagrams, but I'm
very interested in this project as the sort of device every community
workshop or school should be able to get hold of. I'm happy to
prototype PCBs and devices locally and help on the software
interfacing side.
Mark
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On Wed, Jan 12, 2011 at 7:17 AM, Moeller moelle...@gmx.de wrote:
You need a critical mass of developers to start a GNU-like open hardware.
Anybody interested?
It's a lot of work for a single person, but not so much in a shared effort.
I absolutely agree. Production costs may be high for an
, then I
wouldn't have released it in the first place.
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.
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equipment that has made it out to the hands of
collectors. A SDR setup seems like a natural way to handle receiving the code
burst and then either playing it back at low speed for manual decoding, or
automatically decoding the transmission at normal speed.
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. You're probably just
seeing 60 Hz power line noise, unless you're very close to a high-powered
transmitter. If there's a 100kW broadcast transmitter next door, then all bets
are off. :)
(*) or any other value you can get your hands on between around 25 and 500 ohms
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connectors on the WBX board are MMCX connectors.
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On Oct 17, 2010, at 11:27 PM, Ed Criscuolo wrote:
Is it possible to use a WBX daughtercard on a USRP1 with the
3.3 stable release of GnuRadio
Yes. I am presently using my WBX in my USRP with the 3.3 release of GNU Radio
via macports on my Mac.
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Web page
.
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On Sep 25, 2010, at 10:41 AM, dburg...@kestrelsp.com wrote:
We would have used 13 MHz, but the USRP-1 FPGA code fails to transmit for
clock rates below about 48 MHz.
Does anybody know why this is?
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GnuPG public key
I'm new here, but I can already tell that GNU Radio is Really Cool Stuff. Thank
you for your great contributions, and I welcome our new overlord!
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to a specific RF band?
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of effort and expense to make something just a little bit
smaller. Now, if you could make the equivalent of a USRP + WBX board about the
size of a pack of playing cards, and powered from the USB port, that would be
quite interesting!
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their EEPROM(s) may need to be reprogrammed.
There's some discussion of the EEPROMs here that might be helpful:
http://gnuradio.org/redmine/wiki/gnuradio/UsrpFAQDBoards
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Ah, I see. That sounds like a neat project.
On Aug 30, 2010, at 10:44, William Cox wc...@ncsu.edu wrote:
Mark,
Going from 36 sq-in to 18 sq-in is a big improvement for us. We'll be using
it on an underwater vehicle, and space is a premium. Your idea for a smaller
WBX board is cool
I am trying to burn additional SD memory cards using usrp2_card_burner.py. I
burned both the fpga and firmware images. In both cases the binaries seemed to
burn properly and passed verification, however, when I tried to power up the
USRP2 only light F was lit. Thanks for the help.
Images fpga
-v get_hash0
hash: ???7???g8!?_Md
~/gnuradio% usrper -v set_hash0 deadbeef
~/gnuradio% usrper -v get_hash0
hash: deadbeef
~/gnuradio%
While I don't know what any of those usrper commands are actually doing, at
least they seem to be not-crashing!
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On Aug 24, 2010, at 4:58 PM, Michael Dickens wrote:
Hi Mark - I'm glad you got it working; if you installed all of the background
dependencies with MacPorts, compiling GNU Radio should be as simple as:
[fix bootstrap]
./bootstrap
./configure
Should be... but isn't.
with no other
On Aug 23, 2010, at 11:52 AM, Michael Dickens wrote:
Hi Mark - I don't know where to point you exactly, since some tests work for
you while others don't. You're using --with-fusb-tech=libusb1, which
should work but hasn't been thoroughly tested (at least on OSX). Have you
tried
a cable problem since I can transmit and receive
signals with my USRP. Thanks for the suggestions!
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of complicated, but once you get
over the learning curve this knowledge will apply towards working with lots of
other open-source stuff, too.
Keep plugging along, and you'll get there!
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deciding not to build gruel.
By the way, you should only need to use sudo to run the final make install
step. None of the configuration and compilation steps before that should
require root privileges.
Good luck!
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quantity.
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thing when I connect my outdoor discone
antenna to my USRP. Both of them have thick feedlines (similar to RG8, LMR400,
etc.) terminated with male N connectors, and that's a lot of mass and leverage
to hang off a little SMA connector.
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, that would be even better. I've been thinking of
designing something along these lines, but I won't complain if you do the hard
work and I can just buy one from you. ;)
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needs.
Does that architecture sound reasonable? If so, would anybody like to save me
the trouble of designing and building it myself? ;)
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.
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here.
Have any of y'all seen these kinds of failures before?
Thanks in advance for any hints or suggestions.
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a response. Please Help.
Mark
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It amazes me how much people will pay for a piece of FR-4 and an SMA
connector.
-Mark
On Fri, Jan 15, 2010 at 10:32 AM, John Ewan je...@its.bldrdoc.gov wrote:
Another antenna to look at.
http://www.ramseyelectronics.com/cgi-bin/commerce.exe?preadd=actionkey=LPY41
Asked in IRC and was directed to the mailing list, so here it is. If you
google for GNU Radio, the links returned point to
http://gnuradio.org/tracwhich is now gone. It might be worthwhile to
add a redirect match for
/trac* so that people don't land at a default Apache 404 page.
Regards,
-Mark
with a block compiled for an ARM platform
using openembedded and bitbake. It seems to compile just fine and I have put
all the necessary files in the /usr/include and /usr/lib on the platform. I
am looking at any input from this list as to where the problem might be...
Thanks
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. Is it a file that changes often
from one version of gnuradio to the other ? Does it depend on the version of
swig ?
Thanks
On Wed, Jun 24, 2009 at 3:36 PM, Eric Blossom e...@comsec.com wrote:
On Wed, Jun 24, 2009 at 12:10:29PM -0400, Mark Porter wrote:
Hi all,
I have compiled a custom block
blocks...
does it only involve changing the makefiles to reflect the new target
platform ?
Thanks,
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there are a multitude of RPM
dependencies to work out with 10.
Boost 1.35 RPM and 1.37 RPM is available to download, but to upgrade other RPMs
due to there dependency needs is too laborious at this time.
Mark
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Sure,
The RBF was loading properly, except that my test decimation value (256) was
invalid for the new RBF, which was not clear to me. I thank you for your
help in eliminating causes.
Mark
On Fri, May 22, 2009 at 2:45 PM, Eric Blossom e...@comsec.com wrote:
On Fri, May 22, 2009 at 02:30:19PM
) gives the same file size as the stock design,
suggesting they
provide the same data rate over USB since I'm doing a straight file sink.
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project have to come from the exact same gnuradio version
as the one running on the device (I have release 3.1.3 on Quartus and
3.1.3+svn10302 r6.1 on the device itself) ?
Thanks
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machine (only using fpga files in /usrp/fpga/...), std.ihx from same version
as the one used to compile verilog.
Thanks for your input
Mark
On Fri, May 22, 2009 at 1:08 PM, Sebastiaan Heunis sheu...@gmail.comwrote:
Mark
Have you made sure that the .rbf is in /usr/local/share/usrp/rev4?
Also
Issue fixed thanks.
On Fri, May 22, 2009 at 1:28 PM, Mark Porter markporter...@gmail.comwrote:
Thanks for the pointers.
I had already put my RBF where the others are (/usr/share/usrp/rev4) and
the others (e.g. std_4rx_0tx.rbf) are working.
I fixed my file permissions, it is still
to the
multi-channel scrambling *e.g.* I0, Q0, I1, Q1, etc.
Could you confirm/infirm that my proposed design is valid ? Will the extra
block delay affect the functioning of the system ?
Thank you,
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Johnathan,
So your DSSS code is not yet public? How did you manage waveform
synchronization among multiple USRPs?
Thanks.
Mark
On Jan 29, 2009, at 5:36 PM, Johnathan Corgan wrote:
On Wed, Jan 28, 2009 at 9:31 AM, Mir Ali mirmurt...@gmail.com wrote:
I want to know if ever any work
I've got a small update on this.
To read the tap devices on OS X, just issue the os.open command.
self.tap_fd = os.open(/dev/tap0, os.O_RDWR)
Once this open is completed, you can setup the interface with
ifconfig. Spawning this off into a subprocess with popen works well
inside the
can point out what's wrong that would be helpful.
Mark
On Jan 6, 2009, at 8:22 AM, Michael Dickens wrote:
Mark Kuhr kuhr...@auburn.edu wrote:
Has anyone gotten tun/tap running on OS X 10.5 so they can tunnel
packets to the USRP?
tun/tap has been mentioned before on this list, but I know
some time here. If anyone has any experience
with this, any advice would be appreciated. I'm just tying to connect
the USRP to some upper layer functionality.
Thanks.
Mark
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http
directory `/home/mcpetzold/gnuradio/gr-atsc/src'
make[1]: *** [check-recursive] Error 1
make[1]: Leaving directory `/home/mcpetzold/gnuradio/gr-atsc'
make: *** [check-recursive] Error 1
Thanks,
Mark C. Petzold, Ph.D.
Associate Professor
Department of Electrical and Computer Engineering, ECC 211
St
Don,
I'm glad people smarter about these things than me are ready to help. That did
the trick. It seems to be installed properly now.
Mark
-Original Message-
From: Don Ward [mailto:[EMAIL PROTECTED]
Sent: Sunday, September 14, 2008 6:49 PM
To: Petzold, Mark C.; discuss-gnuradio
Hi,
I looked for you on Reunion.com, but you weren't there. Please connect with me
so we can keep in touch.
-Mark
Do You Know Mark?
YES - Connect with Mark, and see who's searching for you
http://www.reunion.com/showInviteRegistration.do?uid=278237227
NO - I don't know Mark
http
going to be crazy, you have to get paid for it or
else you're going to be locked up. Hunter S. Thompson
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Mark
Just curious if anyone used their gnuradio/USRP platform this past
Field Day? If yes, I'd like to hear in what capacity. For those of
you who may not know what FD is
http://en.wikipedia.org/wiki/Field_Day
--
Mark
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getting is
RuntimeError: can't open usrp1
I get this error when I run the gnuradio-examples/usrp/usrp_oscope.py script
This I suspect may be a path problem the second error I get is
ImportError: No module named ephem
When I run usrp_ra_receiver.py.
Any suggestions.
Mark Rader
Interface:Usb_claim_interface: failed interface 2.
Next it tells me usrp_basic_rx: cant open rx interface.
Does anyone have any ideas? My suspicission is that the device wants all
slots to be filled.
Mark RAder
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Eric was kind enough to spend time with me to produce an overview podcast of GNU Radio, targetted at teh curious or newcomer.It's my first recorded podcast, so the audio quality is not what I would have hoped, but I believe it is usable.
http://www.petrovic.org/blog/2006/10/18/gnu-radio-podcast/--
Pascal,
Thanks for the tip, I'll add that to version 0.2. I can tell that you are much less linux impaired than I!
Best regards,
Mark SullivanOn 9/26/06, Pascal Charest [EMAIL PROTECTED] wrote:
On 9/22/06, Mark Sullivan [EMAIL PROTECTED]
wrote:
(...)
INSTALLING SDCC
Log on to your account
accurately. The upside is that I know a lot
more about the code now than when I started.
Best regards,
Mark SullivanOn 9/24/06, Matt Ettus [EMAIL PROTECTED] wrote:
Mark Sullivan wrote: When I inject a signal at a -45 dBm level on the RX-B sma connector on a Basic RX daughtercard, I see a copy
carrier. This isn't sounding like software.
Best regards,
Mark SullivanOn 9/22/06, Eric Blossom [EMAIL PROTECTED] wrote:
On Fri, Sep 22, 2006 at 05:38:54PM -0400, Mark Sullivan wrote: When I inject a signal at a -45 dBm level on the RX-B sma connector on a Basic RX daughtercard, I see a copy
a 50 ohm termination on the unconnected sma
connector helps a little bit. I see no copy of the signal from either
input of the other Basic RX daughtercard. Any thoghts, anyone?
Best regards,
Mark Sullivan
Here is a walkthough I put together for Suse10.1. I found a few gotchas not described
thoughts?
Best regards,
Mark Sullivan
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