Planes Over Head

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Planes Over Head

Radio Navigation - Radar Principles

There are 10 questions. Each question carries 1 mark. All the best!

What is interval between two pulses called? *

1 point

Pulse Recurrence Period

Pulse Recurrence Rate

Purse Recurrence Frequency

Pulses per second

Which of the following doesn't affect range of the radar? *

1 point

Atmospheric conditions

Aircraft shape and size

Automation of the aircraft

Transmission power

Find theoretical range if aircraft is at FL100 and radar station is at sea level. *

1 point

125 nm

200 nm

100 nm

250 nm

Primary radar uses *

1 point

Multiple frequencies

Two frequencies

Depends on situation

One frequency

Which of the following frequencies are used by radars? *

1 point

VHF and below

All frequency bands

HF and above

VHF and above

RADAR stands for *

1 point

Radio Detection and Ranging

Radio And Detection At Random

Radio Detection and Rain

Radio Acquiring and Detection at Range

What is the relation between PRI and PRF? *

1 point

PRI = 1/PRF

PRI = PRF x 100

PRI + PRF = Total time

PRI = PRF

DME uses what radar principle? *

1 point

Primary Radar

Both Primary and Secondary Radar

Secondary Radar

Depends on condition

If the PRF is 250 PPS. What is the PRI of the transmission? *

1 point

1000µs

2000µs

4000µs

500µs

How is range dependent on power? *

1 point

Range varies as root of power

Range varies as 4th root of power

Range varies as 3rd root of power

Range has no relation with power

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