Defy the Radio Spectrum

Qspectrum

#git clone https://github.com/xmikos/qspectrumanalyzer.git
#less README.rst #--> Ubuntu
#apt install python3-pyqt5 python3-pyqtgraph

apt install python3-pip
pip3 install qspectrumanalyzer

which hackrf_sweep
qspectrumanalyzer 

File > Settings
settings/Backend: hackrf_sweep
settings/Sample rate: 20 Mhz

Frequency: 10 - 7250 Mhz
Bin size:  1000 kHz

-MAIN CURVE
MAX HOLD
AVERAGE
SMOOTHING

Spectrum Analyzer GUI for hackrf_sweep

Fetch hackrf-spectrum-analyzer

sudo apt install build-essential ant git libusb-1.0 libfftw3 libfftw3-dev openjdk-8-jdk

git clone --depth=1 --recurse-submodules https://github.com/pavsa/hackrf-spectrum-analyzer.git
cd hackrf-spectrum-analyzer/src/hackrf-sweep/
make -j8
build/hackrf_sweep_spectrum_analyzer.sh

Resources

https://github.com/miek/inspectrum/wiki/Build