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Question 68-1 : Global navigation satellite system gnss/gps. the simultaneous reception of 4 satellites provides ? [ Result map ]

Time, latitude, longitude, altitude.


Question 68-2 : Global navigation satellite system gnss/gps. the instant speed given by an airborne gps is the ?

Ground speed.

exemple 72 Ground speed.

Question 68-3 : Global navigation satellite system gnss/gps. gps global positioning system is a satellite navigation system that can give you a position. the gps ?

It provides your position on earth surface, provided that you receive at least 3 satellites.

exemple 76 It provides your position on earth surface, provided that you receive at least 3 satellites.

Question 68-4 : Global navigation satellite system gnss/gps. gnss/gps ?

A provides world wide coverage.

exemple 80 A provides world-wide coverage.

Question 68-5 : Global navigation satellite system gnss/gps. which of the following geometric satellite constellations provides the most accurate gnss/gps position fix ?

3 satellites with a low elevation above the horizon and an azimuth of 120° from each other together with a fourth directly overhead.

exemple 84 3 satellites with a low elevation above the horizon and an azimuth of 120° from each other together with a fourth directly overhead.

Question 68-6 : Global navigation satellite system gnss/gps. the geodetic reference system for the satellite navigation system gps is ?

Wgs84

exemple 88 Wgs84

Question 68-7 : Global navigation satellite system gnss/gps. what is the minimum number of gnss/gps satellites required to obtain an accurate 2d position fix ?

3.

exemple 92 3.

Question 68-8 : Global navigation satellite system gnss/gps. what are the effects, if any, of shadowing by parts of the aircraft e.g. airborne camera on the reception of signals from gnss/gps satellites ?

It may prevent the reception of signals.

exemple 96 It may prevent the reception of signals.

Question 68-9 : Radio theory. when raising the frequency of an electromagnetic wave. the ?

Wavelength decreases.

exemple 100 Wavelength decreases.

Question 68-10 : Radio theory. with regard to radio waves propagation, a cycle is defined as ?

A complete series of values of a periodical process.

exemple 104 A complete series of values of a periodical process.

Question 68-11 : Radio theory. how is the unit 'hertz' hz defined ?

The number of electromagnetic oscillations per second.

exemple 108 The number of electromagnetic oscillations per second.

Question 68-12 : Radio theory. the 'amplitude' of an electromagnetic wave is defined as the ?

Maximum deflection in an oscillation or wave.

exemple 112 Maximum deflection in an oscillation or wave.

Question 68-13 : Radio theory. diffraction is the process by which ?

Radio wave travel over and around obstacles.

exemple 116 Radio wave travel over and around obstacles.

Question 68-14 : Radio theory. frequency is defined as the ?

Number of cycles occurring in one second in a radio wave expressed in hertz hz.


Question 68-15 : Radio theory. wavelength is defined as the ?

Physical distance travelled by a radio wave during one cycle of transmission.



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