ATPL NAV revision test 3

In a vertical axis gyro at the south pole-

(C)
In a horizontal axis gyro at the south pole the drift and topple will be ?

Drift will be max and topple will be zero.
The min number of satellites required to eliminate gps clock error is ?

4 sats
The most significant gps error is caused by?

the ionosphere.
the minimum number of gps sats needed for accurate 3d gps fix is ?

4
The use of pseudo random code allows each satellite to ?

Transmit on the same frequency.
The GPS error called GDOP or PDOP is caused by?

A small distance between satellites.
GPS works on the principle of-

time difference.
The GPS pseudo-random code allows for-

Low power operations.
Which out of the two has a higher frequency, the C/A or the P code

The C/A code civil
GPS receivers can reduce the magnitude of GDOP error by?

by selecting the 4 best spaced satellites.
In relation to the the background noise a GPS signal is ?

Weaker.

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ATPL NAV revision test 3

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ATPL NAV revision test 3

Updated

2010-06-01T08:08:53Z

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