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The Northrop Grumman TESAR synthetic
aperture radar which provides all-weather surveillance capability has
a maximum resolution of 0.3 m' (1ft.) Other payload options, which can
be selected to meet mission requirements, include a laser designator
and rangefinder, electronic support and countermeasures and a moving
target indicator (MTI). TESAR provides strip-mapping continuous
variable-resolution imagery from 1 meter to 0.3 meter (1 foot). The
imagery is processed on-board the aircraft, compressed and sent to
ground control station where it is scrolled over the SAR display
workstation and saved for later use. As the imagery scrolls by, the
operator has the ability to select 1,000 by 1,000 pixel image patches
for exploitation on another workstation. TESAR was first deployed on
the US Air Force Predator UAV and
later, on the Army Gnat - both produced by General Atomics.
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