NAVEDTRA 14189A Module 17 Chapter 4 Flashcards
What are the two types of communications satellites?
Passive and active
A typical satellite communications operational link consists of a satellite and what two other components?
Earth terminals
A satellite in a synchronous orbit can cover how much of the surface of the earth?
Approximately one-half
What areas of the earth are not normally covered by satellites?
The extreme polar regions
What was the major operational limitation of early communications satellites?
The lack of suitable power sources
Satellite orientation in space is important for what two reasons?
To allow maximum solar cell exposure to the sun and satellite antenna exposure
to earth terminals
Why is satellite acquisition and tracking important?
To ensure earth terminal antennas are always pointed towards the satellite
