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Communications satellites are nothing but radio transmitter/receivers ('transceivers').

Whether it's a direct-to-home TV satellite, an orbiting satellite carrying amateur radio (OSCAR),

or a Hubble Space Telescope, people on the ground transmit radio to it, and the satellite either

repeats the same information back down to other people, or performs some operations of its own

and then reports its results by radio to the people down below waiting for the report.

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What is an elliptical satellite?

An elliptical satellite is a type of satellite that orbits Earth in an elliptical path, meaning its distance from Earth varies throughout its orbit. This results in the satellite moving closer to and farther from Earth as it completes its orbit. Elliptical satellites are commonly used for applications like communication and remote sensing.


What is the down link frequency to earth?

The downlink frequency to Earth, in the context of communication satellites or spacecraft, refers to the frequency at which data is transmitted from the satellite to Earth. The specific frequency used can vary depending on the satellite system and the communication protocol being employed. Generally, downlink frequencies for satellite communication are in the microwave frequency range, typically between 1 to 50 GHz. The choice of downlink frequency is influenced by factors such as transmission range, atmospheric absorption, and regulatory requirements.


What 's the difference between satellite and terrestrial?

IN COMMUNICATIONS: Satellite uses satellite (orbiting) relay-stations in Space but Terrestrial uses cable or antenna-to-antenna signals based entirely on Earth to broadcast your television, radio or cell-phone :) ++++ IN ASTRONOMY: Terrestrial means Earth- (or planet-) bound; a Satellite is any natural or man-made object that orbits a planet. The Moon is a satellite of the Earth.


What type of satellite is used to monitor clouds cover and air temperature?

Meteroligical satellite


What type of wave has the longest wavelength?

Radio waves are amongst the shortest. Gamma and X rays are shorter. The long wave lengths are at the other end of the electromagnetic spectrum. These are called 'infra red,

Related Questions

What type of Electromagnetic radiation used in satellite?

Gamma rays


What type of electromagnetic waves are used in satellite TV?

Satellite TV uses microwaves, which are a type of electromagnetic wave. These microwaves travel between the satellite in space and a receiver on the ground to transmit television signals.


What type of antenna is used for satellite communication?

parabolic


What type of energy is used for communication systems?

Electromagnetic energy


Which kinds of electromagnetic waves are used for communication?

Electromagnetic waves used for communication include radio waves, microwaves, and light waves (in the form of lasers). These waves are commonly used in technologies such as radio communication, satellite communication, Wi-Fi, and fiber optic communication.


Which type of electromagnetic waves is used MOSTLY in communication?

Radio waves are most commonly used in communication due to their ability to travel long distances and penetrate obstacles easily. They are used for various purposes such as radio broadcasting, cell phone signals, Wi-Fi networks, and satellite communication.


Which type of electromagnet radiation is used in satellite communication networks?

Microwaves. These poke through the ionosphere to reach the satellite


What is microwave satellite communication?

It is communication with a satellite orbiting the planet using microwaves, a type of electromagnetic wave of lower frequency than light but higher frequency than radio waves. Microwaves are often used in this way as they can penetrate the earth's atmosphere, but can travel a long enough distance to reach the satellites, unlike x ray waves.


What are radio waves and how are they used in communication?

Radio waves are a type of electromagnetic radiation that can carry signals over long distances. In communication, radio waves are used to transmit information through radio and television broadcasts, cell phone calls, and Wi-Fi connections. They are also used in radar systems for navigation and in satellite communication for broadcasting and data transmission.


Uses of satellite?

There are several uses of satellites which depends on the particular type. In most cases, they are used for space exploration, communication of signals, navigation and astronomical ventures among others.


What type of radiation is used in mobile phone communication networks?

radio waves (part of the electromagnetic spectrum)


What is agila2?

Communication Satellite, launch and used by Philiipines