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Robert Unknown
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Decks in this class (59)
Wave Motion | Polarisation
Em radiation consists of and fiel...,
E is the _ field h is the __ field 2,
The electric field arises from ___ 3
14
cards
Wave Motion | Calculations
Lambda 1
1
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How it Works
The sound wave is known as the __...,
The carrier wave is known as the ...,
The sound wave is known as the _f 3
6
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How it Works | The Transmitter
The modulator combines the signal...,
Modulation is the process of impo...,
An unmodulated signal travels ___...
24
cards
How it Works | The Receiver
The receiver must provide __ and ...,
The receiver will pick up __ the ...,
To get audio output from a direct...
13
cards
How it Works | Bandwidth
Bandwidth is the ___ of a signal 1,
It should be ensured that the sig...,
Official bandwidth is the differe...
3
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How it Works | Emissions
The simplest method of transmitti...,
Telephony is the modification of ...,
The first letter describes the ty...
3
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How it Works | Propagation
The ionosphere begins at about __...,
The nitrogen ionises at ___ levels 2,
The oxygen ionises at ___ levels 3
109
cards
Antenna
Aircraft radios use __ channels w...,
Antennas radiate em waves which c...,
The ___ acts a dielectric between...
20
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Antenna | Directionality
Dipoles can cannot achieve a smal...,
A rod slightly __ than the antenn...,
A slightly __ rod placed just les...
20
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Antenna | Transmitting Signals
When __ is applied to one end of ...,
The end of the antenna is a point...,
With the end of the antenna being...
6
cards
Antenna | Receiving Signals
The antenna catches a selection o...,
The signal passed on to the radio...,
The signal is amplified and impro...
4
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Doppler
Doppler is the change of ___ that...,
Radio waves __ when directed to a...,
Compressed wavelengths have ___er...
5
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Radio Navigation
Positions can be given as 4 ways 1
1
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VOR
Vors are ground based short range...,
The usable frequency range for vo...,
Low powered vors and localisers o...
8
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VOR | Theory of Operation
There is a _ hz omniphase signal ...,
The variphase signal is a __ hz t...,
To ease separation the reference ...
14
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VOR | Problems
Vor is __ subject to static and i...,
Transmissions don t depend on ___ 2,
Dodgy areas are __ and at __ abeam 3
5
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VOR | Doppler
The frequency can ___ as the dist...,
Removes ___ errors and allows use...,
Range is ___ 3
7
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ADF/NDB
The adf allows the aircraft to pi...,
Ndbs use __ waves modified by __ ...,
If the needle is hunting and the ...
15
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ADF/NDB | Limitations
Local thunderstorm activity is li...,
As a result of night effect the n...,
Night effect is strongest ___ 3
19
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ADF/NDB | Use
If underlined on the chart the nd...,
If not underlined on the chart th...,
If underlined on the chart it mea...
12
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ADF/NDB | Tracking
When drifting the needle will alw...,
When tracking outbound the needle...
2
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TACAN
A __ based military nav system op...,
Tacan stands for ___ 2,
When a tacan is colocated with a ...
4
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RNAV
If a radial distance is not recei...,
Rnav can use __ _ and or __ to up...,
Rnav does not use ___ 3
8
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RNAV | Standards
B rnav is ___ rnav 1,
P rnav is __ rnav which is also r...,
Rnav 1 and rnav 5 are used ____ 3
48
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RNAV | Approaches
Most rnav approaches default to a...,
An rnp apch to lnav minima is a _...,
An rnp apch to lnav vnav minima i...
8
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RNAV | Flight Paths and Terminators
An rf is limited by the ___speed ...,
First letter v means 2,
First letter c means 3
19
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RNAV | Short Range Systems
__ __ is the simplest form of rnav 1,
The vor does not have to be in ra...,
___ limit the rate of change of v...
7
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RNAV | Long Range Systems
Theses are systems which don t re...,
Ins is a ___ range nav system 2,
The two current gnss are __ and __ 3
122
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Direction Finding | VDF
Direction finding is the process ...,
Vdf stands for ___ 2,
The full vfd range is between __ ...
12
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Radar
Radar stands for ___ 1,
It works on the basis that __ __ ...,
Radar uses _hf 3
42
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Radar | Calaculations
It takes _ _ seconds for a radio ...,
The radar speed is ___m per micro...,
With the time delay being dt the ...
27
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Radar | Moving Target Identification
Strong radar returns from station...,
Mti uses ___ to elimate returns f...,
Only returns which show __ __ wil...
4
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Radar | Secondary Surveillance Radar
This improves on primary radar by...,
An interrogation ground station s...,
A transponder is carried that rec...
55
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Radar | Weather Radar
Weather radar is only a ___ means 1,
The primary purpose of weather ra...,
Wx radar is required on aircraft ...
34
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DME
Dme measures the difference betwe...,
The aircraft is the first to tran...,
The 50 microsecond delay exists t...
24
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DME | X and Y Channels
Dme stations use ___ rather than ...,
Co located means that they are wi...,
When the dme callsign ends in a z...
15
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DME | Errors
Theoretically __ aircraft can use...,
The ground station will only repl...,
Where the ground distance is less...
6
cards
ILS
Guidance down to the decision hei...,
The vhf localiser is a degree wid...,
The localiser beam is ___ft wide ...
20
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ILS | The Localiser
The localiser consists of two ove...,
The left lobe is a2 modulated at ...,
The right lobe is a2 modulated at...
15
cards
ILS | The Glidepath
Glidepath transmissions are hf be...,
The upper glidepath lobe is __ hz 2,
The lower glidepath lobe is ___ hz 3
15
cards
ILS | Markers and Beacons
The beacons are at _ hz 1,
The outer marker is found at _ nm...,
You should expect to cross the ou...
21
cards
ILS | Gradients
To guarantee obstacle clearance t...,
The obstacle free path is based o...,
You must be able to climb to ___f...
3
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ILS | Range and Coverage
Localisers will extend _ degrees ...,
Localisers will extend _ degrees ...,
Localisers will extend _ degrees ...
5
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ILS | Flight Computer
Rate of descent 1,
At __kts roc rod gradient 2,
Height on glideslope 3
3
cards
ILS | MLS
An mls uses a ___ to indicate the...,
The azimuth transmitter of a mls ...,
Mls is in the hf band with _ hz f...
13
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RNAV | GBAS
Gbas is aka 1,
Laas is an ___ 2,
Local reference receivers are loc...
9
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RNAV | LAAS
Laas is _hf 1,
Laas is supplied to the aircraft ...,
Laas can correct signals to about...
4
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RNAV | GLS
Gls is a ___ based approach 1
1
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RNAV | SBAS
Sbas satellites are __ which can ...
1
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Misc
Fading can occur ___ 1,
Fmc uses a __ __ to determine the...
2
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EFIS | Colours
Off route waypoints or naviads ar...,
Along track waypoints are coloure...,
On the awr light concentration or...
19
cards
VOR | DVOR
Dvor is ___ 1,
Dvor provides ___ over a cvor 2,
Cvor is ___ 3
8
cards
ILS | Signal Errors
Scalloping would present itself a...
1
cards
ITU | Classification
The first part of the classificat...,
The second part of the classifica...,
The third part of the classificat...
5
cards
RNAV | Satellites
The two bands up which satellites...,
L1 operates at __ hz 2,
L2 operates at __ hz 3
11
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Radar | Weather Radar Practical Operation
When sby is selected ____ 1,
When test is selected ___ 2,
When wx is selected ___ 3
8
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VOR | Types
Vors found enroute and used for a...,
High powered vors are allocated f...,
Tvors are ___ 3
6
cards
DME | Search Mode
In search mode the interrogator t...,
When the dme enters tracking mode...,
The prf of tracking mode is to pp...
3
cards
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Radio Navigation
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