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Communication satellites receive signals from antennae on the Earth's surface, or from other satellites, amplify the signals, and beam them back to Earth. Because they are hundreds or thousands of miles up, their signals can cover a larger area than most radio or television signals broadcast on the surface, because of the Earth's curvature. (Radio waves don't go around corners well.)
Some communications satellites are in quite low orbits, around 150 miles high. Others are in "geostationary" orbits at about 22,500 miles, where their rotation around the Earth is the same speed as the Earth's rotation, so that they stay above a particular spot all the time. Most broadcast satellites for TV, phone service and satellite radio are geostationary.
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How have communications satellites changed people's lives?
Communications satellites have revolutionized people's lives by enabling instant global communication and access to information. They facilitate television broadcasts, internet connectivity, and mobile communication, bridging distances and fostering real-time interaction. This technology has transformed industries, enhanced education and entertainment, and played a crucial role in emergency response and disaster management. Overall, satellites have made the world more interconnected and accessible than ever before.
How do television networks use communacations satellites?
Television networks use communications satellites to transmit signals over long distances, enabling the delivery of content to a wide audience. Satellites facilitate the broadcasting of television programs, allowing networks to reach viewers in remote and rural areas where traditional cable or terrestrial signals may not be available. They also support live events and international broadcasts by relaying video and audio signals in real-time. Overall, satellite technology enhances the reach and quality of television programming.
How can you use constructive communications strategy promote honest communications?
Constructive Communications Strategy how can you explain it
How you contact or initiate communications with customers?
how do you contact or initiate communications with customers?
When was Mudra Communications Limited created?
Mudra Communications Limited was created in 1980.
Which layer of the atmosphere do communications satellites orbit?
Most communications satellites operate outside of the earth's atmosphere. The GPS satellites are about 23,000 miles from the surface of the earth.
What are the artificial satellites of the Earth?
All the satellites, communications, exploratory, military etc. are artificial satellites of Earth.
What impact did the satellites have on modern life?
Satellites increased the speed of global communications.
What Layer of the atmosphere do communications satellites orbit?
thermosphere
What provides access to communications when there is no traditional network?
satellites
How does satellites and rockets effect your everyday life?
They improve communications.
How many geostationary communications satellites are in service today?
300
Why do the US army use satellites?
Reconnaissance, communications, topography.
Where do communications satellites orbit?
Communication satellites orbit around the Earth.Communication satellites orbit around the Earth.Communication satellites orbit around the Earth.Communication satellites orbit around the Earth.
What kind of satellites help people stay in touch and relay important information around the globe?
Communications satellites, abbreviated as "comsats".
What are the 5 types of artificial satellites?
The five major types of artificial satellites are: research, communications, weather, navigational, and applications. Please see the related links.
What poses the greatest hazard to communications satellites?
orbital debris.
