The satellite transponder typically works in either the C-band (4-8GHz) or the Ku-band (12-18GHz) and these are for the downlink (from the satellite to the earth station).
Recent trends in satellite communication include the rise of mega-constellations, such as SpaceX's Starlink and OneWeb, which aim to provide global high-speed internet coverage. There's also a growing emphasis on small satellites and CubeSats, which are more cost-effective and versatile for various applications. Additionally, advancements in technologies like optical communication and artificial intelligence are enhancing data transmission rates and optimizing satellite operations. Finally, the integration of satellite communication with 5G networks is set to improve connectivity, especially in remote areas.
The first agency to govern communication systems in the United States was the Federal Communications Commission (FCC), established in 1934. It was created to regulate interstate and international communications by radio, television, wire, satellite, and cable. The FCC aimed to ensure that communication services were available to all Americans and to promote competition and innovation in the communications sector.
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In cellphones, communications takes place via radio waves to a satellite, or via an underground cable network.
Herman potocnik
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The first Indian communication satellite was named "Rohini" and it was launched on April 19, 1980. It was part of the INSAT series of satellites and played a key role in revolutionizing communication and broadcasting services in India.
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Research or propaganda. Sputnik 1 was the first artificial satellite in space. Extreemly expensive propaganda! It was the first step by the USSR to putting a man in space.
Why Fresnel zone affecting satellite and ground communication?
Com = Communication, Sat = Satellite
Way back in the 1960's. The first communication satellite - Telstar - was launched on October 27th 1962.
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INSAT-1A was India's first communication cum weather satellite, launched in 1982.