A Radar Installation Operates at 9000 MHz with an Antenna

question 31

Multiple Choice

A radar installation operates at 9000 MHz with an antenna (dish) that is 15 metres across.Determine the maximum distance (in kilometres) for which this system can distinguish two aircraft 100 metres apart.

• A)7.4 km
• B)370 km
• C)3700 m
• D)37 km
• E)740 km

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Definitions:

Metatarsal I

Refers to the first bone of the metatarsal bones in the foot, connecting the ankle to the toes.

Metacarpal I

The first bone in the series of five metacarpal bones of the hand, associated with the thumb, providing support and facilitating movement.

Subpubic Angle

The angle formed below the pubic symphysis, varying in width between sexes and used in determining skeletal sex.

Thickness

Thickness refers to the measurement of an object from one surface to its opposite surface.