Digital is a disaster. No digital radio has the correct time and they don't even agree with each other.
An antenna collects radiation from a desired direction incident upon an area, called its collecting area, and focuses it on a receiver. An antenna is normally designed to maximize its response in the direction in which it is pointed and minimize its response in other directions.
The ability for consumers to receive broadcast over the air signal is their right.
Right now, there could well be messages from the stars flying right through this room. Through you and me. And if we had the right receiver set up properly, we could detect them. I still get chills thinking about it.
My ear barely caught signals coming in regular succession which could not have been produced on earth.
I don't believe consciousness is generated in the brain any more than television programs are made inside my TV. The box is too small.
A radio telescope pointing at the sky receives radiation not only from space, but also from other sources including the ground, the earth's atmosphere, and the components of the radio telescope itself.
