VOR Flashcards

1
Q

OPERATION FREQUENCY

A

~108.00- 117.975 MH
This overlaps wiht the instrmetn landing system ILS which utilises frequency with ODD decimal up to 111.95MHz

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2
Q

Works on the principle of phase difference between two transmission

A

~refernce phase (RP)
~varaible phase(VP)

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3
Q
A

Phase diffence :is used to determine radial

Angular difference between corresponding points of two cycles of equal wavelength ,measures in degree

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4
Q
A

~on 90 radial,the reference phase leads the varaible phase by 90
~on 270 radila,the refence phase lags the variable

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5
Q

Conventional vor

A

~clockwise rotaion
~RP >freqwuency modulated
~vp» amplitude modutlated

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6
Q

Doppler vor

A

~anticlockwise rotation
~rp :amplitude modulated
~vp: frequency modu

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7
Q

Types of vor

A

~conventional VOR(CVOR) first generation with a rotating antenna
~doppler VOR (DVOR): second genration with a fixed antenna which utilises
~en route
~terminal
~test vor (VOT) emits a signal used to test vor indicators

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8
Q

Vors emit an A9W singal

A
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9
Q
A

Failure of the vor station to remain within limits may cause

~removoal of ident
~removal of navigation from the carrier wave
~termination of transmission
~

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10
Q
A

Rmi
Obi/cdi
Hsi

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