git clone https://github.com/mryndzionek/sdr_rec.git
cd sdr_rec
git submodule init
git submodule update
cd external/liquid-dsp
./bootstrap.sh
./configure --prefix=$PWD/build
make
make install
cd ../rtl-sdr
mkdir project
cd project
cmake -DCMAKE_INSTALL_PREFIX=$PWD/../build ..
make
make install

-- UPDATING FROM EXISTING CHECKOUT --

cd sdr_rec
git pull origin master
git submodule update

• rtl_asgram - asgram_rx app converted to rtl-sdr

    Usage: rtl_asgram [OPTION]
    Run receiver, printing ascii spectrogram periodically
  
    h     : help
    f     : center frequency [Hz], default: 100 MHz
    b     : bandwidth [Hz],        default: 800 kHz
    G     : gain [dB],             default:  0 = auto
    p     : ppm_error,             default:  0
    n     : FFT size,              default:  64
    o     : offset                 default: -65 dB
    s     : samplerate,            default: 2048000 Hz
    r     : FFT rate [Hz],         default:   10 Hz
    L     : output file log size,  default: 4096 samples
    F     : output filename,       default: 'rtl_asgram.dat'
    d     : device_index,          default: 0
  

If you have questions, contact Mariusz Ryndzionek at:

mryndzionek@gmail.com