Radar Navigation. Test 9
Radar Navigation. Test 9
The number of cycles of a radio wave which pass a fixed point in a given time is called the _____
What is the closest point of approach of target A ?
Half the vertical distance between the crest and the trough of a radio wave is called _____
The horizontal distance between the adjacent crests of a radio wave is called _____
If your vessel, while proceeding north at 15 knots, observed by radar a stationary target, what would be the approximate direction and rate at which the pip would move on your PPI scope?
A radar with a wavelength of 3.2 cm would have a frequency of about _____
Target echoes appear along a line called the _____
How is attenuation affected when using waves of shorter wavelength?
To provide accurate target bearings the radar beam must be _____
A radar target is likely to give the poorest reflection if it's shape is _____
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