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PPL (A) > Radio Ops > Flashcards

Radio Ops Flashcards

1
Q

What does wave length refer to?

A

The distance between two consecutive pulses of radio transmission

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2
Q

What does radio frequency refer to?

A

The number of pulses of radio transmission per second

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3
Q

If wave length is short, frequency is?…

A

High

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4
Q

If wave length is long, frequency is?…

A

Low

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5
Q

Pulses of radio transmission travel at what speed?

A

The speed of light

300,000,000 m/sec

186,000 miles / sec

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6
Q

Navigation aids such as Non-Directional Beacons (NDB) travel in which bandwidth?

A

Upper spectrum of low frequencies and lower spectrum of medium frequencies

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7
Q

Low frequency radio transmissions send most of their energy through what form?

A

Ground waves

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8
Q

High frequency radio transmissions send most of their energy through what form?

A

Sky waves

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9
Q

What layer of the atmosphere can affect the sky wave component of medium-high frequency radio transmission due an acquired static charge?

A

The ionosphere

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10
Q

Why are high frequency radio transmissions refereed to as ‘Line of Sight?’

A

Because they travel in a straight line and cannot follow the Earth’s curvature

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11
Q

What factors can affect the propagation of radio transmission?

A

Power of the transmitter

Nature of the terrain

State of ionosphere

Sun spot activity

Spurious radio transmission from nearby electrical equipment

Lightning associated with thunderstorms

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12
Q

What is the arbitrary bandwidth for High Frequency (HF) radio transmission?

A

3MHz - 30MHz

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13
Q

What is the arbitrary bandwidth for Very High Frequency (VHF) radio transmission?

A

30MHz - 300MHz

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14
Q

What is the arbitrary bandwidth of Ultra High Frequency (UHF) radio transmission?

A

300MHz - 3000MHz

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15
Q

Air Traffic Control and aircraft use which bandwidth to communicate?

A

VHF radio

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16
Q

When aircraft are out of VHF range, what bandwidth is employed for radio communication?

A

HF radio

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17
Q

Aerodrome Weather Information Service (AWIS) broadcasts on which bandwidth?

A

VHF

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18
Q

Aircraft operating in the vicinity of uncontrolled aerodromes (or unmanned towers) must maintain a listening-watch on what broadcast?

A

Common Traffic Advisory Frequency (CTAF)

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19
Q

What is squelch and how is it managed on a VHF radio?

A

Squelch is the naturally occurring background noise (hiss) heard on the VHF bandwidth. Most of which comes from outer space!

Squelch can interfere with clear and concise radio communication.

Squelch can be minimised by adjusting the ‘Squelch Control’.

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20
Q

What is the phonetic word for the letter ‘A’?

A

Alpha

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21
Q

What is the phonetic word for the letter ‘B’?

A

Bravo

22
Q

What is the phonetic word for the letter ‘C’?

A

Charlie

23
Q

What is the phonetic word for the letter ‘D’?

A

Delta

24
Q

What is the phonetic word for the letter ‘E’?

A

Echo

25
Q

What is the phonetic word for the letter ‘F’?

A

Foxtrot

26
Q

What is the phonetic word for the letter ‘G’?

A

Golf

27
Q

What is the phonetic word for the letter ‘H’?

A

Hotel

28
Q

What is the phonetic word for the letter ‘H’?

A

Hotel

29
Q

What is the phonetic word for the letter ‘H’?

A

Hotel

30
Q

What is the phonetic word for the letter ‘I’?

A

India

31
Q

What is the phonetic word for the letter ‘J’?

A

Juliett

32
Q

What is the phonetic word for the letter ‘K’?

A

Kilo

33
Q

What is the phonetic word for the letter ‘L’?

A

Lima

34
Q

What is the phonetic word for the letter ‘M’?

A

Mike

35
Q

What is the phonetic word for the letter ‘N’?

A

November

36
Q

What is the phonetic word for the letter ‘O’?

A

Oscar

37
Q

What is the phonetic word for the letter ‘P’?

A

Papa

38
Q

What is the phonetic word for the letter ‘Q’?

A

Quebec

39
Q

What is the phonetic word for the letter ‘R’?

A

Romeo

40
Q

What is the phonetic word for the letter ‘S’?

A

Sierra

41
Q

What is the phonetic word for the letter ‘T’?

A

Tango

42
Q

What is the phonetic word for the letter ‘U’?

A

Uniform

43
Q

What is the phonetic word for the letter ‘V’?

A

Victor

44
Q

What is the phonetic word for the letter ‘W’?

A

Whiskey

45
Q

What is the phonetic word for the letter ‘X’?

A

X-Ray

46
Q

What is the phonetic word for the letter ‘Y’?

A

Yankee

47
Q

What is the phonetic word for the letter ‘Z’?

A

Zulu

48
Q

How should the number ‘9’ be pronounced during aviation radio communication?

A

Niner

NIN er

49
Q

What is a mayday call, when should you make it and what must it include?

A

Distress message

Emergency situation - ie: complete engine failure

Mayday, Mayday, Mayday! 
Who you are
What you are
Where you are
What has happened
What you intend to do - ie: attempting forces landing in a cleared field
50
Q

What is a pan call, when should you make it and what must it include?

A

Urgency call - ie: passsenger becomes seriously ill and requires medical attention; boat in distress etc

PAN, PAN, PAN 
Address station - ie: Jandakot, Townsville etc 
Who you are
What you are
Where you are
Concern or assistance required

PPL (A) (2 decks)

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