chapter 1

Question 1

what is found in the antenna sub system of satellite

Answer 1

2m uhf helix

Question 2

benefits of SatCom

Answer 2

global fast expandable reliable

Question 3

what is an orbit

Answer 3

an orbit is a regular, repeating, curved path that an object in space takes around another one due to gravity

Question 4

what does LEO stand for

Answer 4

Low earth orbit

Question 5

altitude range for LEO satellities

Answer 5

160 and 200 km

Question 6

Disadvantage for LEO

Answer 6

multiple satellites needed for earth coverage

Question 7

Advantage for LEO

Answer 7

Inexpensive to launch

Question 8

what does GEO stand for

Answer 8

Geostationary Orbit

Question 9

advantage for GEo

Answer 9

large coverage areas

Question 10

What does MEO stand

Answer 10

Medium earth orbit

Question 11

WHat is the MEo orbit altitude

Answer 11

2000 to 357860km

Question 12

which Satcom SHF band is used for military and Air traffic Control purposes

Answer 12

X band (8-12Ghz)

Question 13

purpose of comms satelites

Answer 13

relay the signal around the curve of the earth to get comms with widely seprated points

Question 14

A satelite is a self-contained comms system that can recieve signals and retramsit them with with a use of ?

Answer 14

Transponder

Question 15

what components make up a satelitle

Answer 15

Antena , transponders, the power system, solar panels, the propulsion and fuel