>> Any ideas why i cant find this network on any mobile device (smartphone,
>> laptop)?
It is probably the difference between passive vs active scanning. To
save time and consequently power, most battery powered wifi devices
use active scanning where the station sends a probe request and
expects
> Dont think /sw is a common install prefix.
Once upon a time /sw was the default install prefix for external
packages on MacOSX with the fink distro (apt/dpkg) ... but I have no
idea what macports defaults and that seems to be the more popular way
to install on MacOSX in the GNURadio community.
On Wed, Mar 28, 2012 at 12:46 PM, mario behn wrote:
> Actually what should go into the value field of Function Probe?
Hopefully the attached grc file will clarify things
Value can be anything you want, it is used as the initial value,
overridden when the function probe is called at poll rate
Ja
On Sat, Feb 25, 2012 at 3:16 PM, shea_watson wrote:
>
> Hello,
>
> I'm using Ubuntu 11.10, UHD 003.004.000, the USRP N210, and the TVRX2 card.
>
> I am trying to use both the receive channels at once but I am getting a
> strange error.
>
> Below is my code:
>
> self.Add(self.wxgui_f
On Wed, Feb 08, 2012 at 06:39:24PM -0500, Nazmul Islam wrote:
> Hello,
>
> I am running the benchmark_tx.py codes and looking at the spectrum of the
> signals using uhd_fft.py. I am using the latest image of GNU radio
> (GNUradio 3.5) and I have XCVR2450 daughterboards. I ran the
> benchmark_tx.py
On Tue, Oct 25, 2011 at 2:02 PM, Tom Rondeau wrote:
> On Tue, Oct 25, 2011 at 4:53 PM, Jordan Otomo
> wrote:
>>
>> On Oct 25, 2011, at 1:38 PM, Tom Rondeau wrote:
>>
>> > That FAQ does list all of the install directories; I was just a bit more
>> > explicit in my email about where they are (subdi
On Tue, Jul 19, 2011 at 11:20 AM, Josh Blum wrote:
>
>
> On 07/19/2011 07:37 AM, Eng.Ziedan wrote:
>> Dear all
>> i have a usrp1, RFX2400 and WBX and i have a coaxial cable from the wifi
>> card to the rfx2400 TX/RX port
>> i want to pass the stream from the wifi card to the rfx2400 then to the w
On Tue, Jul 19, 2011 at 06:00:36PM +0200, Eduardo Lloret Fuentes wrote:
> Hello,
>
> I would like to ask if someone could tell me how much of the USRP2's FPGA
> resources are consumed by the firmware (the ZPU) and the FPGA (DSP
> operations) images. Or, in other words, how much of the resources is
On Sun, Jul 17, 2011 at 8:52 AM, Mike Jameson wrote:
> Hi Guys,
>
> I have just received my shiny new TVRX2 and have been trying to get it to
> work with the UHD and my USRP1 (serial < 500). My DBSRX works fine with this
> setup.
>
> The symptoms look similar to the issue I had with my WBX which I
On Thu, Jul 7, 2011 at 6:23 AM, Eng.Ziedan wrote:
> Dear all
> i have a usrp and i have installed the uhd and gnuradio 3.2
gnuradio 3.2 does not have the UHD blockset, you need to install
gnuradio from source to use UHD:
http://code.ettus.com/redmine/ettus/projects/uhd/wiki#Gnuradio-UHD
It look
On Thu, Jun 23, 2011 at 5:32 AM, Ralf Wierse wrote:
>> -Original Message-
>> From: Jason Abele [mailto:ja...@ettus.com]
>> Sent: Thursday, June 23, 2011 1:04 PM
>> To: Ralf Wierse
>> Cc: discuss-gnuradio Discussion Group
>> Subject: Re: [Discuss-g
On Thu, Jun 23, 2011 at 3:16 AM, Ralf Wierse wrote:
> OK, first simple reason discovered.
> UHD can only be used for one device - either UHD_usrp_sink or source.
>
> How can UHD be used for both devices in parallel?
You have to access both source and sink from the same process, but
then it is pos
On Sat, May 7, 2011 at 7:04 AM, sumitstop
wrote:
>
> Does XCVR2450 and RFX2400 have software controllable channel filter as in
> DBSRX2 ?
XCVR2450 does, though with fewer bandwidth settings than DBSRX2,
RFX2400 does not have a software controlled analog channel filter
http://www.ettus.com/uhd_do
> Objective : we need to make this desired frequency only dependant on the NCO
> frequency and independant on the the VCO frequency, so first we should know
> how gnuradio control these two values so that we could develop a method to
> make it only dependant on NCO frequency.
take a look at uhd::t
am pretty sure that the upsampling in FPGA is messed up or the upconversion
> setting in the transmitter has to be done in different way. Any advice
> please?
>
> Kind regards,
> Yahia Tachwali
>
> From: Jason Abele [ja...@ettus.c
On Fri, Apr 8, 2011 at 10:22 AM, Tachwali, Yahia wrote:
> Hello Guys,
>
> I am experiencing some problems in transmitting/receiving at frequencies
> around 900MHz for WBX board. While, I am able to do so cleanly at
> 900MHz, other center frequencies are not.
>
> The signal bandwidth : 50 KHz
> The
> Even setting ADC-digital = 6.0, ADC-digital-fine = 0.5 and setting the
> WBX-PGA0 to same value used with libusrp2
> the result is not the same as in I'm losing something like 20 dB.
> Is this expected ?
Missing 20dB sounds like maybe you have the other antenna port
selected. Have you tried swa
On Fri, Mar 18, 2011 at 10:10 AM, devin kelly wrote:
> Hello,
>
> I've created a spectrum sensor with the USRP2, my python script uses the
> same idea as usrp_spectrum_sense.py found in gnuradio. That is, it tunes,
> takes an FFT, records, retunes, etc.
Could you post a flowgraph or tell us what
>>> However, the WBX has enough internal leakage between tx and rx that we
>>> gave up on single-daughterboard full duplex.
>>>
>>
>> Just a heads up, you had not tried WBX without C1 installed on the
>> grand-daughterboard, or even without the grand-daughterboard at all,
>> just using J202 and J20
> However, the WBX has enough internal leakage between tx and rx that we gave
> up on single-daughterboard full duplex.
Just a heads up, you had not tried WBX without C1 installed on the
grand-daughterboard, or even without the grand-daughterboard at all,
just using J202 and J201 on the main WBX
On Sun, Mar 6, 2011 at 10:44 PM, Alaa Salaheldin
wrote:
> Peace on you all
> please I want to know what's the maximum output bandwidth that a
> WBX daughter board could handle, in it's data sheet the IQ demodulator have
> a demodulation bandwidth of 240 MHZ but after that demodulator th
On Mon, Feb 28, 2011 at 11:18 AM, Julián David Vásquez Gutiérrez
wrote:
> Hello: I need to use a external clock for the openBTS project and I found an
> inconsistency. I don't know if the changes are for the UDH driver.
>
> In gnuradio:
> http://gnuradio.org/redmine/wiki/gnuradio/OpenBTSClockModif
> The version of GNUradio that I'm using is GNURadio 3.2svn
>
I think there was some work in 3.3 for this sort of issue, but thats
just from memory, as I mostly use UHD these days.
Things you might look for:
python -c "from grc_gnuradio import usrp as grc_usrp;
help(grc_usrp.simple_usrp.simple_si
> The gain seems to be varying with around 2 Hz frequency.
Quite possible, the WBX transmit has an analog power control loop
formed by the ADL5386. The "gain" setting on WBX transmit is really
more of a setpoint for the power control loop than gain
Jason
On Wed, Feb 23, 2011 at 9:25 AM, Yan Nie wrote:
> Dear all,
> I'm really sorry about the last uncompleted email. I elaborated the method
> lock() and unlock() to completely pause the flow graph without transmitting
> any signal, even if the carrier wave, but the continuous carrier wave still
> sh
> But now we see a solid orange light ON with no blinking and the green light
> is OFF. The ping requests are not being returned but the N210 stays
> connected to the PC. Is there anyway to reset the device? My colleague is
> not able to remember if he could have possibly burnt some incompatible/wr
>> Any suggestions for how I can (easily) capture from both Rx's
>> simultaneously?
>>
use gnuradio-companion (grc) ... its a nice graphical way to create
your flowgraph
If you are not using the UHD driver for your USRP, then you are looking for the:
[USRP] -> USRP Dual Source
[Sink] -> File Sin
On Fri, Jan 21, 2011 at 6:29 AM, Achilleas Anastasopoulos
wrote:
> I just got an E100 from a colleague.
> After connecting a monitor through the HDMI and a keyboard/mouse
> through the USB OTG
> I booted up and the linux login screen comes up.
>
> what is the root password that comes from Ettus?
>
On Thu, Dec 9, 2010 at 5:15 AM, Ed Criscuolo
wrote:
> Since the RFX2200 does not seem to be supported by GR 3.3.0, I switched
> over to the latest git source and tried it. It seems to be broken
> with respect to the RFX2200. Probing the USRP now detects the card's
> name correctly (Flex 2200 Rx
On Wed, Dec 8, 2010 at 5:12 PM, Ed Criscuolo
wrote:
> I just tried to use a new RFX2200 daughterboard in a USRP1 with
> the latest stable release GnuRadio 3.3.0, and it didn't recognize it.
> Usrp_probe reported a Name of "Unknown (0x002C)".
>
> What's the deal here? Do I need to go to the latest
On Thu, Dec 2, 2010 at 9:03 AM, Sanjay Singh
wrote:
> I have done complete new installation of Ubuntu 9.04 Jaunty and installed
> Binary packege of GNURADIO(3.2.2).
> Can any one tell me why wbx_ng daughterbord ID is missing.
>
Because GNUradio 3.2.2 was released before the WBX ... you will need
2010/11/16 Ming Wah :
> Hi,
>
> We bought several LP0410 antennas, but not sure how to connect them to the
> daughter board.
>
> The LP0926 has a male SMA connector to it, but the LP0410 doesn't. That
> means we need to buy an SMA connector and solder it to the LP0410. My
> question is what kind
On Sat, Nov 13, 2010 at 10:41 AM, tom_wgs wrote:
>
>
> tom_wgs wrote:
>>
>>
>>
>> tom_wgs wrote:
>>>
>>> Hi all
>>> ...
>>> ..
>>> Thank you for your time and any help would be very much appreciated.
>>> Tom
>>>
>>
>> I have attached a couple additional plots showing the results of taking
>> 128 c
On Mon, Nov 8, 2010 at 7:06 AM, Sanjay Singh
wrote:
> What is the difference between WBX_NG and WBX_LO.
> If we see in the daughter boards ID's, there are two ID's available for WBX.
> Which is the right EEPROM ID for WBX daughter board ?.
Sanjay,
The WBX_LO was a never-released design internal
On Mon, Nov 1, 2010 at 11:52 AM, Eric Blossom wrote:
> On Mon, Nov 01, 2010 at 05:36:35PM +0100, Jorge Miguel wrote:
>> Hello,
>>
>> I will rephrase former question.
>
> Jorge, I don't know the answer to your question, but I do that the
> answer is in the source code that is associated with the XC
On Sun, Oct 31, 2010 at 6:45 PM, Steven Clark wrote:
> The 100mW transmit spec, is that at +0dB gain, or at +25dB gain (max)?
Max
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> I used a signal generator and a spliter to provide two identical 100MHz ref.
> clocks for the boards.
The ref clock needs to be 10MHz rather than 100MHz
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> Why do I receive a sine wave when I transmit a constant?
Probably because the 100MHz reference clocks of your two USRP2s are
slightly different
Here are a few suggestions for being sure that you are locking to your
10MHz reference clock:
If you have not modified the generated python code from
> My incoming signal has a bandwidth of 1MHz while the DBSRX daughter board that
> I am using has a low pass filter bandwidth of 60MHz. Is it possible for me to
> adjust
> the low pass filter bandwidth in USRP2?
If you are using the UHD, it is fairly easy to adjust the bandwidth
(4M-33M), there i
On Mon, Oct 11, 2010 at 11:05 AM, Jason Abele wrote:
> On Mon, Oct 11, 2010 at 10:34 AM, Jorge Miguel wrote:
>> My simple questions are:
>> Does XCVR2450 work in full duplex mode?
>
> Yes, although with one synthesizer, it will be on the same frequency
> for rx and tx
&g
On Mon, Oct 11, 2010 at 10:34 AM, Jorge Miguel wrote:
> My simple questions are:
> Does XCVR2450 work in full duplex mode?
Yes, although with one synthesizer, it will be on the same frequency
for rx and tx
> If yes: Does anybody know the isolation between tx and rx (Whole daughter
> board: trans
On Fri, Oct 8, 2010 at 4:17 PM, Steve Mcmahon wrote:
> I have a Rev 4 USRP2 board with a WBX daughterboard. I want to write a simple
> loopback test from the "TX/RX" port to the "RX2" port, just to transmit a
> simple
> 1 MHz + 3 MHz multi-tone signal, modulated up to 2.2 GHz, and then receive it
On Tue, Oct 5, 2010 at 5:46 AM, SergeNJ wrote:
> If I want use one Antenna for RX-TX on WBX ?
> I tried RXTX input and it have a lot less level on RX than RX2 ... in
> software i choose TXRX but always better level on RX2
> why?
Serge,
That should not be the case, but it is always possible t
>
> Can someone please tell me what the Vref is for the USRP2 ADC, or what the
> full range is peak to peak?
>
Sharif,
The USRP2 ADC has a 2Vpp input range
Jason
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On Tue, Sep 14, 2010 at 9:24 AM, Vincent W wrote:
> Hi,
>
> I'm trying to do some signal reconstruction and in testing and developing a
> concept design, I wanted to attenuate a test signal and hook it up directly to
> the RX port of my USRP2 through either the Basic RX or LFRX daughter board
> (
On Fri, Sep 10, 2010 at 09:38:06PM -0400, Scott Storck wrote:
> On Fri, Sep 10, 2010 at 5:11 PM, Jason Abele wrote:
>
> > On Fri, Sep 10, 2010 at 03:59:34PM -0400, Scott Storck wrote:
> >
> > > The other option that would work for me is connecting antenna 0 to WBX
On Mon, Sep 13, 2010 at 11:03 AM, Matthias Wilhelm
wrote:
> can someone tell me what kind of fuse F101 is on the USRP2?
> There is some info on the web for the USRP1 (3A 0603), but not for version 2.
> The data sheet just mentions SMD-XXX.
Matthias,
FUSE 4A 32V FAST SMD 1206 1206COOPER
want 4 coherent RX using WBX, what you want is 4 USRP2's, 4 WBX's
and a GPSDO to supply 10MHz Refclock and PPS signals to all the USRP2's.
You would also need 4 separate Gigabit ethernet ports on your host PC.
Then, you will have 25Msps from each receiver.
>
> Thanks,
> Sc
On Fri, Sep 10, 2010 at 12:04 PM, Scott Storck wrote:
> I have a USRP and two WBX daughterboards. Is it possible to use 4
> independent RX antennas (all tuned to the same frequency) with this hardware
> setup?
Scott,
The WBX has only one (I/Q) receiver per daughterboard. The two
Antenna ports
> Furthermore there were no errors during the installation of the
> software (via package manager).I run out of ideasany suggestion?
Are you certain that Network Manager is not interfering with the state
of your ethernet interface? The default config likes to enable and
disable the interface
On Sun, Sep 5, 2010 at 2:20 AM, Elvis Dowson wrote:
> Hi,
> I'm trying to build the mb-gcc toolchain on Mac OS X 10.6.4, but it
> doesnt progress. Without a mb-gcc, gnuradio configure doesnt proceed with
> building support for the USRP2, so I can't try out the UHD drivers on Mac OS
> X.
E
On Wed, Sep 01, 2010 at 03:08:53PM -0400, Marcus D. Leech wrote:
> On 09/01/2010 12:51 PM, Jason Abele wrote:
> >>I'll need to do some re-soldering and burn-db-eeprom with USRP1 and
> >>hopefully this
> >>should fix the problem:
> >>http://gnuradio.
> I'll need to do some re-soldering and burn-db-eeprom with USRP1 and hopefully
> this
> should fix the problem:
> http://gnuradio.org/redmine/wiki/1/USRPClockingNotes
Also, since you use UHD, you can change the daughterboard ID of a
daughterboard on a USRP2 from your host PC using:
/share/uhd/u
On Mon, Aug 30, 2010 at 8:15 AM, Federico Battaglia
wrote:
> Hi everyone,
> in testing the USRP I came across several warnings. Can someone tell me what
> they mean and if they are irrelevant?
> Thanks in advance who will answer ...
That message usually means you either have an unrecognized
daugh
On Fri, Aug 20, 2010 at 2:52 AM, Amee Shah wrote:
> Hello all,
>
> Currently, I have the following hardware setup:
>
> Receive Antenna --> Preamplifier --> RF In (USRP2 + DBSRX)
>
> I was wondering if I could use USRP2 to supply power (12- 14V) to the
> preamplifier? If yes, can someone tell me h
On Wed, Aug 11, 2010 at 11:37 AM, Moeller wrote:
> Call "usrp2_probe" to check if the board ID is 13 now. If it is still 2, the
> burning had no effect.
Moeller has a very good tip here, we use different daughterboard id's
to let the software know if the resistor modification has been
performed.
On Fri, Aug 6, 2010 at 9:54 AM, MarcW wrote:
> We are trying to transmit a carrier using a USRP2 board (done using the
> USRP2 constant source example in the UHD branch) and then measure the
> received power by using the FFT via another USRP2 board directly connected
> to it. However, the fft show
On Wed, Aug 4, 2010 at 1:47 PM, Florian Eugen wrote:
> I just entered into the world of GNU Radio. I bought an USRP + WBX +
> LP0410 (400MHz - 1GHz). I managed to install GNU Radio (v. 3.2.2) on a
> Windows XP SP3
Florian,
Welcome. Unfortunately, your next step will be to upgrade to GNU
R
On Fri, Jul 23, 2010 at 6:52 PM, rui qian wrote:
> Hi all,
> I want to use tunnel.py with usrp1+xcvr2450 to create a network
> interface, and I set the frequent to 5.0G.
> The tx is ok, but it can't receive anything.
> I google the reason about it, someone say that the gnuradio_r10853
> can fix th
On Fri, Jul 9, 2010 at 12:05 PM, Catalin Patulea
wrote:
> This question is addressed mostly to Jason Abele since I see he's been
> working on this code recently.
Catalin,
Unfortunately, I am not a good person to ask about this, my name
appears on that line solely because I fixed a
On Wed, Jun 23, 2010 at 11:27 AM, Yan Nie wrote:
> Is it possible to change the sampling rate of D/A converter to 64MHz? I saw
> the sampling rate of D/A converter is defined in usrp_basic.cc, which is
> fpga_master_clock_freq() * 2. Is it possible to make the master clock
> frequency not multiply
On Tue, Jun 15, 2010 at 06:48:39PM +0100, Charles Brain wrote:
> >
> >Does your code set the transmit gain on the WBX?
> >
> >Eric
>
> Yes to 25. I checked the range and set it to maximum.
>
> - Charles
Charles,
In my test with USRP2 and UHD here in the lab, I am able to get similar
power outpu
On Mon, Jun 14, 2010 at 11:03 AM, Jason Abele wrote:
>>>> Hi All,
>>>>
>>>> Has anyone measure the power level coming out of their WBX board?
>>>>
>>>> Measured on a Gigatronics 8541 microwave
>>>> power meter connecte
>>> Hi All,
>>>
>>> Has anyone measure the power level coming out of their WBX board?
>>>
>>> Measured on a Gigatronics 8541 microwave
>>> power meter connected directly at the back of the USRP2 I am getting
>>> (with a CW carrier)
>>>
>>> 100 MHz about 35 mW
>>> 1.3 GHz about 15 mW
>>>
>>> Ettus q
On Tue, Apr 27, 2010 at 6:34 PM, Kyle Zhou wrote:
>
> Matt Ettus wrote:
>>
>> On 04/27/2010 05:29 PM, Kyle Zhou wrote:
>>>
>>> So far, I have tried another two computers with ubuntu 9.10 fresh
>>> installation but exactly the same problem.
>>> Is anyone having the same issue on WBX?
>>> Kyle
>>
>>
On Mon, May 24, 2010 at 6:09 AM, gabriele pirazzi
wrote:
>
> Anyone can clarify this issue:
> to correct configure the DBSRX for USRP2 is requested the USRP1 or following
> the instruction in
> http://gnuradio.org/redmine/wiki/gnuradio/USRP2DBSRXModification in
> sufficient?
yes, if you want to u
On Mon, May 17, 2010 at 10:23 AM, Xiukui Li wrote:
> Hi All,
> Does anyone have any idea to configure WBX + USRP1 to work as a GPS
> receiver? Is there any jumper on the WBX daughterboard that can be set up to
> power the external active GPS antenna (2.5-5V DC)?
>
The WBX does not have a DC Bias
On Thu, May 06, 2010 at 06:12:33PM -0500, Evan Chen wrote:
> Hello everyone,
>
> I just got the USRP2+WBX recently. And I used the famous "usrp2_fft.py" as a
> starting point.
>
> The problem I met is that the curve plotted by the usrp2_fft.py seemed to be
> abnormal. Sometimes, the amplitude of
On Thu, May 06, 2010 at 08:23:49PM +0200, Gaetano Mendola wrote:
> On Thu, May 6, 2010 at 8:15 PM, Josh Blum wrote:
> > On 05/06/2010 07:17 AM, Gaetano Mendola wrote:
> >>
> >> Hi all,
> >> in order to use the new WBX daughterboards, do I have to get the new
> >> libusrp2 from git ?
> >>
> >
> > T
Steve,
If you have GNUradio trunk installed, did you update your SD card with
a firmware from:
http://gnuradio.org/releases/usrp2-bin/trunk/
You'll need txrx_wbx.bin
Jason
On Fri, Apr 23, 2010 at 10:56 PM, Steve Glass wrote:
> Hi,
>
> I've just received my USRP2 and WBX. Using the Ettus SD Ca
On Wed, Mar 17, 2010 at 04:09:09PM -0700, Damien Serant wrote:
>
> Hi everybody,
>
> I received few days ago my new URSP2 with the WBX daugtherboard and i have
> some questions.
> First there is two input: one labeled Tx/Rx and the other Rx2. Why is there
> two Rx input and which one i have to u
On Tue, Mar 16, 2010 at 04:34:44PM -0500, John Orlando wrote:
> Hi all,
> Just looking through the WBX daughterboard code in the latest git repo
> for adding support for the USRP2 (which can be found at
> usrp2/firmware/lib/). I noticed that in adf4350.c, there is a #define
> for INPUT_REF_FREQ th
On Thu, Feb 18, 2010 at 06:44:02PM -0500, Marcus D. Leech wrote:
> On 02/18/2010 02:22 PM, Johnathan Corgan wrote:
> > On Thu, 2010-02-18 at 14:02 -0500, Marcus D. Leech wrote:
> >
> >
> >> Where are the latest txrx.bin files that support WBX?
> >>
> > The WBX code for USRP2 has not been me
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