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M13-4 Omega VLF System

Total questions: 7

Worksheet time: 4mins

Name
Class
Date
1.

What does VLF stand for in Omega VLF system?

a)

VLF stands for Very Large Frequency in Omega VLF system.

b)

VLF stands for Variable Low Frequency in Omega VLF system.

c)

VLF stands for Very Long Frequency in Omega VLF system.

d)

VLF stands for Very Low Frequency in Omega VLF system.

2.

How does the Omega VLF system provide navigation?

a)

The Omega VLF system provides navigation through satellite signals

b)

The Omega VLF system provides navigation through the use of very low frequency radio signals transmitted from a network of ground-based stations.

c)

The Omega VLF system provides navigation through underwater sonar technology

d)

The Omega VLF system provides navigation through magnetic compasses

3.

What is the frequency range of the Omega VLF system?

a)

0.1 Hz to 20 kHz

b)

1 Hz to 40 kHz

c)

10 Hz to 50 kHz

d)

0.01 Hz to 30 kHz

4.

What are the advantages of using the Omega VLF system for navigation?

a)

The Omega VLF system has limited coverage

b)

The Omega VLF system provides accurate navigation over long distances, is less affected by weather conditions, and offers global coverage.

c)

The Omega VLF system is highly affected by weather conditions

d)

The Omega VLF system is only accurate for short distances

5.

What causes the Diurnal Effect in the Omega VLF navigation system?

a)

Solar flares

b)

Magnetic interference

c)

Satellite malfunction

d)

Ionosphere's daily variation in electron density.

6.

How is the accuracy of the Omega VLF Navigation system increased to less than 1 nm?

a)

Using outdated receiver technology

b)

Reducing the number of ground stations

c)

Differential Omega

d)

Relying solely on satellite signals

7.

What causes the changes in the waveguide show in the figure within the Omega VLF Navigation system?

a)

Diurnal Effect

b)

Ground conductivity

c)

Solar Activity

d)

Fluid ingress in the waveguide