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ATPL - Radio Navigation > Frequency Summary > Flashcards

Frequency Summary Flashcards

Frequencies of all the radio aids, radars, satellites, etc

1
Q

Frequency range of VDF?

A

118.0 - 136.0MHz

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2
Q

Frequency range of NDB?

A

190kHz - 1750kHz

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3
Q

Frequency range of VOR?

A

108 - 118MHz

Shared with ILS between 108 and 112MHz VOR has even number after decimal place

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4
Q

Frequency range of DME?

A

962 - 1213MHz (Approx 1000MHz)

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5
Q

Frequency range of ILS Localiser?

A

108 - 111.950MHz

Odd number after decimal place as it’s shared with ILS

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6
Q

Frequency range of ILS glideslope?

A

328.6 - 335.4MHz

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7
Q

Frequency of inner marker carrier wave?

A

75MHz

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8
Q

Frequency of modulation of inner marker?

A

3000Hz - 6 dots a second

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9
Q

Frequency of modulation of middle marker?

A

1300Hz - dots and dashes

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10
Q

Frequency of modulation of outer marker?

A

400Hz - Two dashes per second

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11
Q

Frequency of middle marker?

A

75MHz - Carrier wave not modulation

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12
Q

Frequency of outer marker?

A

75MHz - Carrier wave not modulation

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13
Q

Frequency range of MLS?

A

5031 - 5091MHz

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14
Q

Frequency range of DME/P (MLS)?

A

962 - 1213MHz

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15
Q

Frequency range of very long range surveillance primary radar?

A

50 - 300MHz

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16
Q

Frequency of a short range primary radar?

A

Approx 40GHz

17
Q

Frequency of an Airborne Weather Radar (AWR)?

A

Typically 9GHz

18
Q

What’s the frequency of an SSR interrogation?

A

1030MHz

19
Q

What’s the frequency of an SSR response?

A

1090MHz

20
Q

NAVSTAR link frequencies?

A

L1 - 1575.42MHz

L2 - 1227.6MHz

21
Q

GLONASS link frequencies?

A

L1 - 1.6GHz

L2 - 1.2GHz

22
Q

Galileo frequencies?

A

1164 - 1215MHz
1260 - 1300MHz
1559 - 1591MHz*
*Shared with GPS on non-interference basis

ATPL - Radio Navigation (2 decks)

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