RTL-SDR

📻 🚀

Turns your Realtek RTL2832 based DVB dongle into a SDR receiver

First configuration

sudo apt-get update -y
sudo apt-get install cmake make libusb-1.0-0-dev -y

# Optional (for examples)
sudo apt-get install sox
sudo apt-get install netcat

Installation and compile

git clone https://github.com/ArticSeths/rtl-sdr.git
cd rtl-sdr
mkdir build
cd build
cmake ../
make

# optional
sudo make install

Optional cmake params

-- For install udev rules (to be able to use the dongle as a non-root user), use -DINSTALL_UDEV_RULES=ON

-- For building with kernel detach, use -DDETACH_KERNEL_DRIVER=ON

cmake ../ -DINSTALL_UDEV_RULES=ON -DDETACH_KERNEL_DRIVER=ON

How to use (Examples)

If you didn't use a optional make install, you need to specified the route of compilation like this: /root/rtl-sdr/build/src/rtl_fm ...

-- Play FM

You need install sox

rtl_fm -f 91.0e6 -M wbfm -s 256000 -r 22050 - | play -r 22050 -t s16 -L -c 1  -

Explained: Record the FM frequency 91.0, with sample rate at 256k, resampling at 22050 and play it with play (sox)

-- Stream over TCP

You need install netcat

rtl_fm -f 91.0e6 -M wbfm -s 256000 -r 22050 - | sox -traw -r 22050 -es -b16 -c1 -V1 - -tmp3 - | socat -u - TCP-LISTEN:8080

Explained: Record the FM frequency 91.0, with sample rate at 256k, resampling at 22050, format with sox to mp3 and set listener to port 8080 over TCP with socat (netcat)

See more info

http://sdr.osmocom.org/trac/wiki/rtl-sdr