<a target="_blank" rel="noopener noreferrer" href="https://www.youtube.com/watch?v=0ue0TChGSDE&t=185s">https://www.youtube.com/watch?v=0ue0TChGSDE&t=185s</a><br>this is easy project with simple 8 blocks How to Build your Own Spectrum Analyzer software using GNU-RADIO Companion under Win10 easy and simple !
what i use : 1- wx gui main block
2- wx gui slider block : id= rf_gain default value=10 min=0 max=40
3- wx gui slider block : id= frequency def.v=868.4e6 min= 25e6 max= 1750e6 num steps= 1000
4- wxgui slider block : id= bandwidth def.v=2.4e6 min=1e6 max=3e6
num steps=100
5- osmocom source block : sample rate=bandwidth ch0 frequency=frequency iq balance mode= auto ch0 gain mode=auto
ch0 rf gain= rf_gain
6- throttle block : sample rate=bandwidth
7- wx gui fft sink block : sample rate=bandwidth baseband freq= frequency fft size=1024 ref.rate=15 average= on 8- wx gui waterfall sink : sample rate=bandwidth baseband freq= frequency fft size=1024 fft.rate=15 average= on dynamic range=100