Future Technologies

Question 1

Galileo satellite system belongs which country?

Answer 1

Europe

Question 2

How many satellites does Galileo want?

Answer 2

30

Question 3

How does Galileo work

Answer 3

Signals are sent to the ground containing the time and receivers measure how long it took to reach them and from this calculate distance from satellite and receiver

Question 4

How many satellites are needed to calculate Position time and speed?

Answer 4

4

Question 5

What will Galileo do for aviation?

Answer 5

Provide additionally safety during The landing phase

Question 6

Is Galileo military or civil?

Answer 6

Civil

Question 7

What is the existing positioning system in Europe?

Answer 7

EGNOS

Question 8

What is EGNOS

Answer 8

A network of ground stations that act as a GPS signal filter. Improving and retransmitting the signals via geo stationary satellites.

Question 9

How accurate is EGNOS?

Answer 9

To within 2 metres

Question 10

EGNOS approaches will be cheap as they do not need any ground structure. True or False?

Answer 10

True.

Question 11

What doesEGNOS stand for?

Answer 11

European 
Geostationary 
Navigation 
Overlay 
System

Question 12

What is EGNOS

Answer 12

A satellite augmentation system

Question 13

EGNOS improves positioning by using how many satellites?

Answer 13

3