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line of sight sensor

Definition/Scope: A line of sight sensor is one in which the transmitter and receiver can "see" each other. If an object breaks that line of sight then the alarm is tripped and security forces notified.

Broader Terms:

Force Protection

Narrower Terms:

active sensor
passive sensor

Related Terms:

listening post
observation post

CALL Homepage >> Thesaurus Last Updated: Sept 17, 2008