Tracking objects using radio frequency signals has been possible since the __________.

Name: Tracking objects using radio frequency signals has been possible since the __________.
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Question

Quizplus · Accepted Answer

Radio frequency signals were used to track objects in the 1920s, specifically in the field of aviation with radar technology. While radio frequency technology has advanced significantly since then, the statement only asks for when it became possible.

Tracking Objects Using Radio Frequency Signals Has Been Possible Since