 |
 |
|
 |
 |
| Communications lines can be easily set up anywhere
The radio wave reaches the destination regardless of the topography, allowing communication with islands, mountainous regions, and sites for temporary events. *Simultaneous communication to more than one place is possible. (Broadcasting) |  |
| A wide area can be covered.
A single communications satellite can cover the whole of Japan *A set of three communications satellites can cover the entire world. |  |
| Resistant to disasters
ince few equipment is required on the ground, the communications satellite system is not sensitive to natural disasters such as earthquakes. |  |
| Transmission involves a short time lag
|
