Before communications satellites, such signals had to be relayed via earth-based relay towers which ... The idea of geosynchronous satellites is to find an orbit over the equator in which the ...
communications – satellite television and phone calls ... They orbit above the equator. These orbits are much higher than polar orbits (typically 36,000 km) so the satellites travel more ...
approximately 36,000 kilometres above the Earth's equator. The GSAT-20, also known as GSAT-N2, is India's most advanced communication satellite to date. Weighing 4,700 kg, it carries a high ...
It will be manoeuvred to a position 36,000km above the equator ... type of satellite, had it been operational earlier this month, could have reacted quickly to provide emergency communications ...