EVERYDAY SCIENCE

Detailed explanation-1: -Satellites offer flight phone communications on airplanes, They are the main conduit of voice communication for rural areas and the areas where the phone lines are damaged after a disaster, and they provide the primary timing source for cell phones and pagers.

Detailed explanation-2: -The purpose of communications satellites is to relay the signal around the curve of the Earth allowing communication between widely separated geographical points. Communications satellites use a wide range of radio and microwave frequencies.

Detailed explanation-3: -Importance of satellite communication:-Monitoring of natural calamities. Surveillance of border areas. The INSAT (series) is a multipurpose system for telecommunication, meteorological observation, and various other programs. They are used for relaying signals to television, telephone, radio, and mobile phone.

Detailed explanation-4: -The main components of a satellite consist of the communications system, which includes the antennas and transponders that receive and retransmit signals, the power system, which includes the solar panels that provide power, and the propulsion system, which includes the rockets that propel the satellite.