Radio Astronomy, Technology, and the Noisy World Classroom Exercises in Radio Frequency Interference

What is radio astronomy?

The Radio Sky

The Optical Sky PerseusAuriga Taurus Camelopardus

What emits radio waves? Recipe for Radio Waves Hot Gases Spectral lines Electrons and magnetic fields

Big Point: Any accelerating charge emits radio waves!

Big Point # 2: Celestial Objects at Enormous Distances Appear “dim” watt/m 2 /Hz !!

The Rest of the Story: What else emits radio waves?

The Observatory in Green Bank

The Rest of the Rest of the Story Satellites!

The GBT: Why does it look so funny?

The GBT October, 1999