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===== Main Installation =====

This is the install process for setting up a Flight Radar 24 ADS-B feed using a raspberry PI (V4) and a SDR-Blog VR Dongle. It also includes the install and mechanism to switch to an SDR++ server to allow remote clients to attach and listen to ATC audio remotely.


==== Initial PI setup ====

Using the PI imager software, you should image the PI and when prompted to select the image you need to select:  Raspberry PI OS (Other) --> Raspberry PI-OS (Legacy 32-bit) Lite

It is important you choose the 32 bit version, and choosing the Lite version means we get a Headless install without all the bloat.

You should also select any other customizations, you should select and enable SSH at least / WI-Fi and other settings.

After flashing the PI allow it to boot and connect to the network, you can then ssh to it (ssh account@hostname) 
Login and update the PI to the latest OS.

  sudo apt update
  sudo apt upgrade
  sudo apt dist-upgrade
  sudo reboot
  
The next step is to install the V4 Debian Drivers for the SDR-Blog VR USB Dongle 

==== Purge the previous driver: ====

You must run this as a user, not as root, (only sudo on the commands specified below.)

  sudo apt purge ^librtlsdr
  sudo rm -rvf /usr/lib/librtlsdr* /usr/include/rtl-sdr* /usr/local/lib/librtlsdr* /usr/local/include/rtl-sdr* 
  /usr/local/include/rtl_* /usr/local/bin/rtl_*

==== Install the RTL-SDR Blog drivers: ====

  sudo apt-get install libusb-1.0-0-dev git cmake pkg-config
  mkdir /opt/sdr
  cd /opt/sdr
  git clone https://github.com/rtlsdrblog/rtl-sdr-blog
  cd rtl-sdr-blog
  mkdir build
  cd build
  cmake ../ -DINSTALL_UDEV_RULES=ON
  make
  sudo make install
  sudo cp ../rtl-sdr.rules /etc/udev/rules.d/
  sudo ldconfig

==== Blacklist the DVB-T TV drivers. ====
  
  echo 'blacklist dvb_usb_rtl28xxu' | sudo tee --append /etc/modprobe.d/blacklist-dvb_usb_rtl28xxu.conf

==== Reboot ====

  sudo reboot
  
==== Set up the fr24 feeder software ====

  sudo wget -qO- https://fr24.com/install.sh | sudo bash -s
  
This will run the script and start the setup questions.
After you have answered these, you will need to run this command to allow the new fr24 user access to the USB dongle, otherwise you will get errors in the log and no data.

  adduser fr24 plugdev



sudo systemctl restart fr24feed
fr24feed-status




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