Technology
Satellites used for broadcasting are usually in a geostationary orbit 37,000 km (23,000 miles) above the Earth’s equator.
Author: Brown Todd
The first semi-electronic TV systems
In early 1907, M. Dickman designed, manufactured and conducted laboratory studies of semi-electronic TV.
Advantages and disadvantages of satellite TV
The most important and sought-after benefit of satellite TV is a stable and high-quality signal in high definition.
Acquaintance with cable television
The main distinguishing characteristics of cable television networks are that they involve broadband (typically 0.5-1 GHz total bandwidth)
Delivery of digital signals
There are currently three ways to deliver digital programming to consumers. Digital signals are: (1) broadcast over radio waves;
How cable television works
The earliest cable systems were essentially strategically placed antennas with very long cables connecting them to subscribers’ televisions.