The output power of Basic TX is about 0.5 mW, and it is too low for air
transmit. Your gain booster sounds just fine, and it should do the
trick. But can you tell what frequency you are trying to transmit and
does your booster operate on that frequency? Also, it would be good idea
to use /usrp_sig
Dear All:
I want to use Basic TX to transmission signal by 100m distance.
But I can't reach the distance.
Have any way to help it?
In hardware I added the gain booster (30dBm)
But I only got 5 m.
They be caused by hardware? or the software can help?
Thanks in advance.
Mei-Wen Li (Emily)
Anyone have any positive experience with 192KHz sound cards/USB-2.0
external that work with
Linux, and that support the full 192KHz rate on input?
--
Principal Investigator
Shirleys Bay Radio Astronomy Consortium
http://www.sbrac.org
___
Discuss-
On Tue, Mar 23, 2010 at 6:44 PM, Gregor Dschung wrote:
>>
>> make clean
>> ./bootstrap
>> ./configure
>> make && make check
>> sudo make install
>>
>> Eric
>>
>
> At first that wasn't successful. Then I've taken a deeper look into
> the make process:
> gr-qtgui/src/lib/Makefile.am
> [...]
>
Dear all,
I'm reading the receiver part of gr-sounder project. As my undering, in the
FPGA configuration of this project, the received signal directly goes to the
sounder module, after being demuxed into I and Q signals by adc_interface
module. I didn't see any module of the FPGA configuration
Hi everyone:
I am trying to implement a USRP testbed, where a transmitter sends video
and the receiver displays it in real-time. I've been playing around with
benchmark tx/rx and am now
able to transmit files between the USRPs (I use USRP2s and XCVR2450s).
The question is what would be the bes
Can I use this block on the output of a bandpass filter that doesn't
downconvert to baseband, or must
the data always be basebanded?
I have an application (a VLF receiver application) it uses the audio
subsystem to sample from
around DC to around 40KHz or so, and carves off up to 4 narrowband
>
> make clean
> ./bootstrap
> ./configure
> make && make check
> sudo make install
>
> Eric
>
At first that wasn't successful. Then I've taken a deeper look into
the make process:
gr-qtgui/src/lib/Makefile.am
[...]
if BUILD_QT
%_moc.cc : %.h
$(QT_MOC_EXEC) -DQT_SHARED -DQT_NO_DEBUG
I don't know that much about this, but I am also interested in getting
a lot of USRP2s working coherently. I currently have approximately the
same setup as you do, but I am also curious about how to expand it.
Please let us know how you advance on this front.
The solution that I am playing with ri
On Tue, Mar 23, 2010 at 09:54:37AM -0700, ValentinG wrote:
>
> Dear all,
> We have 12 USRP2 boards which we would like to synchronise and run in a
> phase array system as an expansion of the 4 element system we currently have
> running using the VRT branch of GNURadio.
>
> Currently we use a 4 po
On Fri, Mar 19, 2010 at 07:28:19PM +1000, Andrew Rich wrote:
> Hello
>
> I am installing gnuradio on openSUSE.
>
> I got this far and then got stuck:-
>
> 1) gcc - YAST
> 2) python and python devel - YAST
> 3) SWIG - YAST
> 4) FFTW3F -devel YAST
> 5) ccpunit - YAST
> 6) I am now stuck on "boost
On Fri, Mar 12, 2010 at 11:17:13AM +0100, Sergio Benco wrote:
>
> I'm interested in extracting samples from USRP to perform some spectrum
> analysis on them. I use an USRP and a XCVR2450 to receive signals in the
> ISM 2.4GHz band. My setup in GRC is a USRP (decim 64, gain 0dB, baseband
> 2.405GHz
Hello
I am trying to wrap my head around the interprocess workings of USRP and
gnuradio
The FPGA contains a program that accepts commands from a C++ module ?
What is the logical presence of the hardware on LINUX ? is it at the /dev/USB
device ?
Are any other USRP's on ethernet ?
I am gatheri
Hi all,
I have posted some of the implementation of the MAC protocols used in
"Enabling MAC Protocol Implementations on Software-defined Radios":
http://www.andrew.cmu.edu/user/gnychis/nychis_nsdi09.pdf
I have not yet posted the host implementations, but I am getting around to
posting the high pe
On a fresh openSUSE 11.2, if have installed gnuradio a few days ago.
After the installation, rpm -qa --last gave me
python-Cheetah-2.4.0-1.3 So 21 Mär 2010 23:41:46 CET
python-lxml-2.2.2-2.1 So 21 Mär 2010 23:38:17 CET
python-wxGTK-2.8.10.1-2.pm.3.1
Thanks!
I'll try to make a custom app and see if I can get this working.
David Cabrejos
Josh Blum-2 wrote:
>
> Ahh I see. The rule is, one process per usrp. Only one process can have
> the usb handle, send/recv, and handle control per usrp device.
> Therefore, you will have to make a custom
Ahh I see. The rule is, one process per usrp. Only one process can have
the usb handle, send/recv, and handle control per usrp device.
Therefore, you will have to make a custom app that combines the
utilities of tunnel.py and spectrum_sense.py
-Josh
On 03/23/2010 09:52 AM, drcabrejos wrote:
On 03/15/2010 10:24 PM, Per Zetterberg wrote:
4.) Do the PLL's on the daugherboard tune every time a C++ or Python
program
is run or every time the board is powered on? i.e. for phased arrays
will we
just need to calibrate every time the board is powered on or every
time we
take a given stre
On 03/23/2010 01:26 AM, Krishna S wrote:
Hi ,
i have ordered two RFX2400 daughterboards for my USRP2. While it is yet
to arrive, i have few questions bothering me,
To use 2.6GHz or 2.7GHz frequency, i have to remove the ISM band Filter
in RFX2400 Daughter Board.
I have learn t form internet th
Dear all,
We have 12 USRP2 boards which we would like to synchronise and run in a
phase array system as an expansion of the 4 element system we currently have
running using the VRT branch of GNURadio.
Currently we use a 4 port PCIe Gb Ethernet Card to connect the USRP2 boards
to the host computer
Dear all,
We have 12 USRP2 boards which we would like to synchronise and run in a
phase array system as an expansion of the 4 element system we currently have
running using the VRT branch of GNURadio.
Currently we use a 4 port PCIe Gb Ethernet Card to connect the USRP2 boards
to the host computer
Josh,
Thanks for the prompt reply.
I tried using this command, but this command seems to be applied if I have 2
USRPs connected to a single computer.
On my case, I have 2 computers and 1 USRP connected to each computer.
Each USRP have 2 RFX2400 daughterboards.
I'm trying to run both programs
On 03/23/2010 07:46 AM, drcabrejos wrote:
Hi All,
I have 2 (two) USRP1 and 2 (two) RFX2400 connected to each USRP1.
What I want to do is to have communication between the devices and scan for
the spectrum simultaneously.
If running programs one by one, all works great.
Running both at the s
Hi All,
I have 2 (two) USRP1 and 2 (two) RFX2400 connected to each USRP1.
What I want to do is to have communication between the devices and scan for
the spectrum simultaneously.
If running programs one by one, all works great.
Running both at the same time, gives me an error saying that the US
Hi every one ;
I listen music in my beagle board now
I use file sink
self.gr_wavfile_sink_0 = gr.wavfile_sink("dosya.wav", 1,32000 , 8)
than I play with alsa tools
aplay -t wav -c 2 -r 32000 -f S16_LE -v dosya.wav
On Thu, Mar 18, 2010 at 1:27 PM, Philip Balister wrote:
> On 03/18/
Hi,
I am trying to synchronize two USRP2's using GPS receiver of 10MHz and 1
PPS.
recently ,i ran into some problem with 1 PPS output from GPS receiver, but
output clock 10 MHz seems to be perfectly alright.
1) Do i really need 1 PPS input along with 10MHz Clock for USRP2?
2) Is it no
Hi ,
i have ordered two RFX2400 daughterboards for my USRP2. While it is yet to
arrive, i have few questions bothering me,
To use 2.6GHz or 2.7GHz frequency, i have to remove the ISM band Filter in
RFX2400 Daughter Board.
I have learn t form internet that some minor hardware modificati
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