In a satellite communication system, what is a key advantage of using satellites for data transmission?

The key advantage of using satellites for data transmission is their ability to transmit over long distances with fewer physical obstructions. Satellites are positioned high above the Earth's surface, typically in geostationary orbits, enabling them to provide line-of-sight communication over vast areas. This positioning eliminates many of the barriers that terrestrial communication systems face, such as buildings, mountains, or other physical obstructions that can degrade signal quality.

In addition, the wide coverage area provided by a satellite means that a single satellite can service large regions, including remote or rural areas where traditional wired or wireless communication infrastructure may be inadequate or non-existent. This long-distance capability also allows for global communication links, facilitating international data transmission without the need for multiple relay stations on the ground.

This advantage is particularly significant in applications where infrastructure is limited or where rapid deployment of communication systems is necessary, such as in disaster recovery or military operations.