/swradio0 - show up
5) DMESG output is below
My hunch is this:
Something is grabbing the interface
And that is stopping GNU radio from using it.
Sort of stuck Any suggestions?
duane@duane:~$ dmesg
[ 1390.155412] usb 3-7: new high-speed USB device number 14 using
waterfall graph?
Given that scale - Would a 40hz change be visible?
As an aside...
Clifford Stolls TED talk Video talks about this indirectly
He's using a microphone + oscilloscope - to display the audio wave form.
https://www.ted.com/talks/clifford
Hi,
I've been working towards an FSK demodulator scheme using GNU radio (more
specifically, the signals are GFSK)
I've read through this example:
https://nccgroup.github.io/RFTM/fsk_receiver.html
Specifically it talks about the "add_const" block, the value of which was
determined by trial and
erform apt-get update, etc - thus the proxy is
configured correctly.
The problem is GIT based URLs are blocked/filtered, for example:
duane@linux:~/gr-src/aa$ git clone git://git.osmocom.org/gr-osmosdr
Cloning into 'gr-osmosdr'...
fatal: unable to connect to git.osmocom.org:
git.osmo
Hi,
I'd like to report an issue with the script: build-gnuradio - and a few of the
other git sub-modules.
Problem statement #1
I'm behind a proxy that effectively "blocks" the GIT protocol - I can
clone via HTTP, or HTTPS - but not via git://
Possible work arounds:
I know abo
paul> I'm a bit confused by your calculation. Nyquist for complex data
is equal to the analog bandwidth so you only need a sample rate of 25.6
MSPS as stated.
Thanks, i did not know this rule about complex samples.
Paul>> short (16 bit integers) [about] 100MB/sec.
Ok thanks.
_
duane> It seems like a perfect fit for a poly phase filter - however
this is
duane> something that I believe needs to be done in hardware (128
channels *
duane> 200khz = about 60mhz sample rate this will not go over a USB
cable, and
duane> I doubt I can get this bandwidth into
Hi,
I need to decode about 128 channels at the same time
Details are:
2-GFSK modulation, 25khz devation, channel separation is 200khz
It seems like a perfect fit for a poly phase filter - however this is
something that I believe needs to be done in hardware (128 channels *
200khz = about 60mh
Hi,
I've captured some data - and I am trying to decode this at a packet
level.
I am confused about the "binary slicer" - and how to do stuff with it.
What I am expecting ... and looking for is this:
The transmission is FSK, baud rate: 50K, Modulation GFSK (+/- 25khz),
The data packets look l
Hi -
I've setup a front end, and captured about 10 to 20 seconds worth of
data to a file sink (750M data file)
The transmitted data is a small 8millisecond bursts, followed by a very
long delay.
I would like to have some means to 'zoom in and slice out' a few bits of
data so I can do more work
ind a way to create a *COMMON* - decoder that will work with a
number of front ends
It seems I have to do “surgery” on my flow graph every time… Yuck.
Can somebody point me to some examples?
-Duane
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>>> out0[:] = [x * 1 for x in in1]
?? IS THIS A TYPO - meaning "in0"
out1[:] = [x * 1 for x in in1]
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