Ch. 3: Basic Radar Theory

Question 1

3 ATSU uses of radar?

Answer 1

PSR - Primary Surveillance Radar: bearing and distance to “target”

SSR - Secondary Surveillance Radar: as for PSR + ID and altitude

ASMR - Aerodrome Movement Surface Radar: ground movement on aerodromes

Question 2

2 remote radar sensing systems?

Answer 2

Ground based weather radar systems

Satellite based radar

Question 3

What kind of weather radar systems do aircraft use?

Answer 3

Airborne weather radar systems

Question 4

Upon what named technique is PSR systems based?

Answer 4

Pulse and echo technique

Question 5

6 factors affecting maximum achievable radar range?

Answer 5

Frequency used

Height of antenna

Height of aircraft

Pulse repetition frequency (PRF)

Pulse length

Power of pulse

Question 6

PSR use?

Answer 6

To detect targets that aren’t equipped with transponder for SSR

Question 7

How do modern radar systems generate a display?

Answer 7

Use inputs from various sensors.