Question #0fa4e

1 Answer
May 27, 2016

Answer:

It is used to determine locations of objects and can be used to calculate a 3-dimensional location when multiple sources are used.

Explanation:

The term RADAR is an acronym for RA dio D etection A nd R anging. It uses primarily microwave frequencies, although lower radio frequencies may also be used. Knowing the location of potential obstructions as well as a vessel's specific location with respect to fixed objects or other moving ones is indispensable to safe navigation at sea or in the air.

See also:
https://en.wikipedia.org/wiki/Radar
for further examples and general discussion of mechanisms.