Hi,
for anyone who wants to meet up with fellow SDR devs, the 8th Karlsruhe
Workshop on Software Radio will be held March 12/13, here in Karlsruhe,
Germany. The program can be found here [0].
After the workshop we'll hold a 3-day hackfest here at the CEL [1] - 2
1/2 days to be exact, that is
This is what I see in /var/log/messages when I plug it in.
Feb 16 10:19:56 debianvm kernel: [ 485.160978] usb 2-2.2: new full-speed
USB device number 6 using uhci_hcd
Feb 16 10:19:56 debianvm kernel: [ 485.432177] usb 2-2.2: New USB device
found, idVendor=04d8, idProduct=fb31
Feb 16 10:19:56
The first part looks o.k. I don't know anything about MTP devices, but
after some googeling I suppose there is an udev misconfiguration.
Please look, if there exists a rule file for MTP devices that is
triggered by the funcube dongle.
-- Volker
Am 16.02.2014 16:21, schrieb Mike Harpe:
On Sun, Feb 9, 2014 at 6:14 PM, Jordan Johnson jwllmjohn...@gmail.com wrote:
Traceback (most recent call last):
File /home/ushio/top_block.py, line 13, in module
from grc_gnuradio import wxgui as grc_wxgui
ImportError: cannot import name wxgui
So,
Hi,
I'm exploring the LF spectrum ( 500 kHz) using a USRP N210+LFRX+active loop
antenna, and GR 3.7. I'm pulling my hair out trying to down convert the USB as
I can't get the LSB rejected. My GRC flow graph is here:
https://dl.dropboxusercontent.com/u/49570443/test.grc.png
It is based on
Hi Lou - the diagram you sent isn't going to perform a single-signal conversion.
Taking just the real part of the received signal (and throwing away the
imaginary part)
gets rid of information that distinguishes negative frequency components from
positive frequency components. After that point
Hi Guys,
If a block keeps some internal state, can the forecast method return
different values for the same number of noutput_items depending on its
internal state? Will the forecast method be called before the flow
graph is started?
Miklos
___
Tom,
Thanks for that link. The LFRX board has two separate inputs. I'm only using
the one hooked to the I ADC, so the Q ADC is just noise, thus I discard the
imaginary output of the UHD source. The UHD source center frequency is set to
0 Hz, so I'm direct sampling with no downconversion in
Tom,
OK I got it fixed after looking at your link. See diagram below:
https://dl.dropboxusercontent.com/u/49570443/test.grc_fixed.png
I was using the Delay block to give me a 65 sample delay to account for the
delay in the Hilbert. This will not work as I assume there is more delay in
the
Application that reproduces segfault:
http://pastebin.com/Fw0y7qM9
debug backtrace: http://pastebin.com/FjnHu6Cs
patch that fixes it for me, although I'm sure theres a better place to fix
it: http://pastebin.com/4gSW57Wt
Thanks,
Matt.
___
Hi Miklos,
yes, a forecast might be different for different situations.
Greetings,
Marcus
On 02/16/2014 07:12 PM, Miklos Maroti wrote:
Hi Guys,
If a block keeps some internal state, can the forecast method return
different values for the same number of noutput_items depending on its
internal
Hi list,
I recently posted the source code and hardware design files for a ADS-B
UAT/FIS-B receiver and decoder to Google code. There's also a python
script that contains the algorithms to decode the FIS-B weather radar
data. Perhaps they might be useful to someone working on ADS-B with
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