Here are some interesting papers and resources on radio and radar astronomy projects for beginners:
Beginners can start with simple setups to detect cosmic and planetary signals. Detailed guides and PDF manuals are available from organizations like the Society of Amateur Radio Astronomers (SARA) Build a Homebrew Radio Telescope radio and radar astronomy projects for beginners pdf
Verdict: Stick to passive radio for your first year. Move to radar only after mastering doppler shift. Here are some interesting papers and resources on
"That," Leo said, checking his star charts, "is the Cygnus A galaxy. It’s a radio galaxy about 600 million light-years away. It’s shooting jets of plasma out of its poles." Get an RTL-SDR (V3 or better)
Goal: Detect radio bursts from Jupiter (often influenced by its moon Io) and the Sun.