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ATPL Nav > Radio Naviagtion Aids > Flashcards

Radio Naviagtion Aids Flashcards

1
Q

Polarisation relates to:

A

Orientation of ELECTRIC field

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2
Q

Vertically polarised signal is best receiver by a

A. Vertical antenna
B. Horizontal antenna

A

A. Vertical antenna

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3
Q

VOR errors

A
V
G
A
S
A

Airborne equipment error (+/-2 degrees)

Vertical polarisation error

Ground station error (+/-2 degrees)

Aggregate error (total of all errors (+/-5 degrees)

Site/Terrain effect error (bending/scalloping of signals due to obstacles [+/- 2 degrees])

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4
Q

NDB Errors

M
I
N
T
C
H
A
T
A 
Mountain effect
Interference
Night effect
Terrain effect 
Coastal refraction 
Height effect
Aircraft interference
Thunderstorms
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5
Q

NDB loop antenna resolves

A. Aural null
B. 180 degree ambiguity

A

A. Aural null

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