Comment by Joel_Mckay

Would recommend getting a Ham technician license, as it will prepare you to understand the LNA and filter hardware.

Best regards =3

https://www.youtube.com/watch?v=g5uV6zI_978

https://github.com/AP-HLine-3D/HLine3D

https://www.rtl-sdr.com/buy-rtl-sdr-dvb-t-dongles/

https://github.com/byggemandboesen/H-line-software