December 2011
Beginner
256 pages
7h 10m
English
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CHAPTER 7Getting the Signals: Aim and Synchronize the Dish
Think about it: you’re pointing a parabola-shaped dish toward the sky, hoping to align the center of the dish with a small satellite floating in space about 23,000 miles above the equator. It seems like a nearly impossible undertaking. Fortunately, communications satellites that relay television signals back to Earth are maintained in an orbit position relative to the Earth that does not change much. This path is called a geostationary orbit. To receive the signals from any one satellite, you need to aim the dish as close as possible in the direction of the stationary satellite.
If you are standing anywhere in the Northern Hemisphere, facing the North Pole, the sun appears to rise up ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.