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KerberosSDR Demo Software

Installing the software
Install Dependencies via apt:

sudo apt update
sudo apt install python3-pip python3-pyqt4 build-essential gfortran libatlas3-base libatlas-base-dev python3-dev python3-setuptools libffi6 libffi-dev python3-tk pkg-config libfreetype6-dev php7.2-cli

Uninstall any preinstalled numpy packages as we want to install with pip3 to get optimized BLAS.

sudo apt remove python3-numpy
Install Dependencies via pip3:

sudo pip3 install numpy
sudo pip3 install matplotlib
sudo pip3 install scipy
sudo pip3 install cairocffi
sudo pip3 install pyapril
sudo pip3 install pyargus
sudo pip3 install pyqtgraph
sudo pip3 install peakutils 
sudo pip3 install bottle

Install RTL-SDR-Kerberos Drivers

Our Kerberos RTL-SDR driver branch contains code for slightly modified Osmocom RTL-SDR drivers that enable GPIO, disable dithering, and disable zerocopy buffers which seems to cause trouble on some ARM devices.

sudo apt-get install libusb-1.0-0-dev git cmake 

git clone https://github.com/rtlsdrblog/rtl-sdr-kerberos

cd rtl-sdr-kerberos
mkdir build
cd build
cmake ../ -DINSTALL_UDEV_RULES=ON
make
sudo make install
sudo cp ../rtl-sdr.rules /etc/udev/rules.d/
sudo ldconfig

echo 'blacklist dvb_usb_rtl28xxu' | sudo tee --append /etc/modprobe.d/blacklist-dvb_usb_rtl28xxu.conf

Now reboot the Pi.
Test 4x Tuners

At this stage we recommend first testing your four tuners with rtl_test. Open four terminal windows, or tabs, and in each window run "rtl_test -d 0", "rtl_test -d 1", "rtl_test -d 2" and "rtl_test -d 3". Ensure that each unit connects and displays no errors.
Install KerberosSDR Demo Software

First unzip or clone the software

git clone https://github.com/rtlsdrblog/kerberossdr
sh setup_init.sh

Now you can run the software by typing

./run.sh


Full software tutorial at www.rtl-sdr.com/ksdr