Just put 50 Ohm dummy loads onto the connectors and check for a signal, then
you see if it is leakage or not :)
Ralph.
> -Original Message-
> From: discuss-gnuradio-bounces+ralph=schmid@gnu.org
> [mailto:discuss-gnuradio-bounces+ralph=schmid@gnu.org] On Behalf Of
> gang li
> Sent:
hello,
Can anyone tell me the c++ source for "WBFM Receive" Block?
Thanks
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hello, I build gnuradio by source, my gnuradio version is 3.6.3,and only
one test faild
The following tests FAILED:
120 - qa_ctcss_squelch (Failed)
Errors while running CTest
when I try to open the "uhd_wbfm_receive.grc", it print error:
Loading: "uhd_wbfm_receive.grc"
>>> Error: Block key "u
On 02/08/2013 07:26 PM, Biniyam Zewede wrote:
>
>
> Hello everyone, I am trying to sense a transmitted signal using a
> usrp. I typed the following command (/usrp_spectrum_sense.py 440M
> 450M --fft 512) and worked a couple of times. But when I try it
> today, it tells me that there is no devic
Hello everyone,
I am trying to sense a transmitted signal using a usrp. I typed the
following command (/usrp_spectrum_sense.py 440M 450M --fft 512) and worked a
couple of times. But when I try it today, it tells me that there is no device.
(even though I connected a usrp). part of the mess
Yes. I am doing full duplex on the same frequency, transmitting from
TX/RX and receiving on RX2 at the same time. When I put the antennas
far way from each other, the received signal amplitude is very low.
And when I change the distance between them, i found the received
signal amplitude is kind of
On 02/08/2013 04:10 PM, gang li wrote:
When the signal received on RF2 port has a very weak strength, the
energy leaked from TX to RX will dominate in the total received
energy. I have observed this in my experiments. Are there any ways to
measure the leaked signal so i can compensate it? I am th
When the signal received on RF2 port has a very weak strength, the
energy leaked from TX to RX will dominate in the total received
energy. I have observed this in my experiments. Are there any ways to
measure the leaked signal so i can compensate it? I am thinking a way
of by connecting the RF1 and
On 02/08/2013 12:32 PM, Sajjad Safdar wrote:
Hi,
I am installing gnu radio from built script but it is not completely
installed and gives the error as shown in screenshoot.
Best Regards,
SAJJAD SAFDAR
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Well, I am not a programmer but a RF guy, but why not just changing this
with search and replace?! :)
Ralph.
> -Original Message-
> From: Josh Blum [mailto:j...@joshknows.com] On Behalf Of Josh Blum
> Sent: Friday, 08 February, 2013 19:18
> To: Ralph A. Schmid, dk5ras
> Cc: discuss-gnurad
Hi,
Yep, only the USRP stuff.
I already had removed the headers and in fact everything that looked like
gnuradio and USRP, without any change, still the same problem.
Ralph.
> -Original Message-
> From: Josh Blum [mailto:j...@joshknows.com] On Behalf Of Josh Blum
> Sent: Friday, 08 Feb
I'm playing around with the new gr_pdu_to_tagged_stream/gr_tagged_stream_to_pdu
blocks. Is there something that can translate between the new tag format and
the standard tx_sob (start of burst)/tx_eob (end of burst)/tx_time tags?
I guess it's possible to write a packet scheduler if you fix a tim
On 02/08/2013 04:18 AM, Ralph A. Schmid, dk5ras wrote:
> Hi,
>
> I got the error by installing the latest release, should be 3.6.3, although
> in the output sometimes the 3.6.4 repository was mentioned. And as I have
> told there already is a partial install of 3.4.2 that is necessary for the
>
Well, thats probably the issue, size_t is an unsigned int
namespace swig {
template <> struct traits {
typedef value_category category;
static const char* type_name() { return"unsigned int"; }
};
namespace swig {
template <> struct traits {
typedef value_category category;
s
On Fri, Feb 08, 2013 at 09:32:56AM -0800, Sajjad Safdar wrote:
> Hi,
>
> I am installing gnu radio from built script but it is not completely installed
> and gives the error as shown in screenshoot.
Please don't screenshots when a copy & paste of the command line is more
useful.
Don't forget to i
Installing gnuradio-3.6.3 on Mandriva 2011_x64 with boost-1_53_0
Make test was successful except for qa_volk_test_all (Failed)
Output of LastTest.log is:
RUN_VOLK_TESTS: volk_32fc_32f_multiply_32fc_a
sse completed in 0s
generic completed in 0s
orc completed in 0s
offset 2 in1: 0.0993798 in2: -0.0
One more thing: the FFT in the "uhd_fft" is mirrored around the central
frequency.
--
View this message in context:
http://gnuradio.4.n7.nabble.com/N210-SBX-High-peaks-at-center-frequency-tp39489p39490.html
Sent from the GnuRadio mailing list archive at Nabble.com.
Hi list,
I'm using a N210 + SBX daughterboard (vert 2450 antenna). Currently I'm
using the "uhd_fft" to check the spectrum at all wifi channels. Strange is
that a peak with almost 0dB appears in every frequency I try.
Also, I changed the code from usrp_spectrum_sensing to output the sum of the
ma
On Feb 7, 2013, at 5:42 PM, Josh Blum wrote:
> On 02/07/2013 05:25 PM, mepard wrote:
>> Using just Gnu Radio Companion, is there a way to get the A and B
>> inputs of an Ettus LFRX (or BasicRX) in an N210 as independent
>> channels?
>
> Setup the source block for 2 channels.
>
> Set the subdev/
Here it is...600kB packed, so I put it onto my server...
http://dk5ras.dyndns.org/tmp/gnuradio_core_generalPYTHON_wrap.zip
Ralph.
> -Original Message-
> From: discuss-gnuradio-bounces+ralph=schmid@gnu.org
> [mailto:discuss-gnuradio-bounces+ralph=schmid@gnu.org] On Behalf Of
> Jos
Hi,
I got the error by installing the latest release, should be 3.6.3, although
in the output sometimes the 3.6.4 repository was mentioned. And as I have
told there already is a partial install of 3.4.2 that is necessary for the
openbts package. So I just may remove this and install the newer vers
Tom Rondeau writes:
> Hi Timo, no you're not missing anything. The constellation plotter is a
> next/3.7 thing only. It must have slipped past when creating those
> examples. That was a real headache, actually, trying to get scripts for
> both versions that made sense. I rely so much these days on
On 02/08/2013 02:08 AM, Ralph A. Schmid, dk5ras wrote:
> Hi,
>
> On a relatively fresh installed Kubuntu 12.04 LTS 32bit x86 with all updates
> the build of gnuradio fails. I am using the build script, but also the
> manual build fails in a similar way. Already installed on the machine is a
> pa
Hi,
On a relatively fresh installed Kubuntu 12.04 LTS 32bit x86 with all updates
the build of gnuradio fails. I am using the build script, but also the
manual build fails in a similar way. Already installed on the machine is a
partial gnuradio 3.4.2 for OpenBTS support, together with USRP1 drivers
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