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Nav and Radar PART B > Nav and radar Diagrams > Flashcards

Nav and radar Diagrams Flashcards

1
Q

sketch a diagram showing Range discrimination

A
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2
Q

sketch a diagram showing Bearing discrimination

A
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3
Q

sketch a diagram showing Indirect echoes

(ship diagram)

A
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4
Q

sketch a diagram showing Indirect echoes

(radar diagram)

A
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5
Q

sketch a diagram showing multiple echoes

(ship diagram)

A
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6
Q

sketch a diagram showing multiple echoes

(radar diagram)

A
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7
Q

sketch a diagram showing blind and shadow sectors

A
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8
Q

sketch a diagram showing side lobes

A
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9
Q

Use a sketch of a radar display to show how a Parallel Index line can be used to monitor the track of a vessel.

A
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10
Q

draw a diagram of DGPS monitoring station

A
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11
Q

Sketch the componets of a Radar

A
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12
Q

Describe with the aid of a diagram how an electromagnetic log calculates vessel speed

A
  • The transducer houses a coil through which an electrical current is passed This sets up a magnetic field around it.
  • (E.M.F.) is created.
  • Sensors pick up this E.M.F. which increases with increase in vessel speed.
  • The log measures the voltage which it converts to a speed and distance read out
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13
Q

sketch a diagram of a marine echo sounder

A
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14
Q

Draw a diagram showing a cross track error alarm

A
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15
Q

Sketch lines of magnetic force showing the earth’s magnetic field and how a compass needle indicates Magnetic North

A
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16
Q

sketch a digaram of a doppler log

A
17
Q

sketch the lines of a contur and safety depth

A
18
Q

Induced magnetism

A
19
Q

Sketch a diagram showing multi echoes on an echo sounder

A
20
Q

Sketch a petal diagram showing why deviation effects the ships head
(petal diagram)

A
21
Q

Sketch a diagram showing H - DOP

A
22
Q

Sketch a diagram showing H - DOP

A

Nav and Radar PART B (18 decks)

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