In telecommunication, the term foreign instrumentation signals intelligence (FISINT) has the following meanings:
1. Intelligence information derived from electromagnetic emissions associated with the testing and operational deployment of foreign aerospace, surface, and subsurface systems.
2. Technical information and intelligence information derived from the intercept of foreign instrumentation signals by other than the intended recipients. Foreign instrumentation signals intelligence is a category of signals intelligence.
Foreign instrumentation signals include but are not limited to signals from telemetry, beaconry, electronic interrogators, tracking/fusing/arming/firing command systems, and video data links.
Famous quotes containing the words foreign, signals and/or intelligence:
“The condition every art requires is, not so much freedom from restriction, as freedom from adulteration and from the intrusion of foreign matter.”
—Willa Cather (1876–1947)
“The term preschooler signals another change in our expectations of children. While toddler refers to physical development, preschooler refers to a social and intellectual activity: going to school. That shift in emphasis is tremendously important, for it is at this age that we think of children as social creatures who can begin to solve problems.”
—Lawrence Kutner (20th century)
“But as these angels, the only halted ones
among the many who passed and repassed,
trod air as swimmers tread water, each gazing
on the angelic wings of the other,
the intelligence proper to great angels flew into their wings,
the intelligence called intellectual love....”
—Denise Levertov (b. 1923)