Synthetic aperture radar may soon be used for reconnaissance on small UAVs

June 30, 2005 Researchers at the United States National Nuclear Security Administration’s Sandia National Laboratories flew what is probably the world’s smallest fine-resolution synthetic aperture radar (SAR) recently, making real-time images from the 6-kilometer range with a resolution of four inches. It was a first for the 25-pound instrument that may soon be used for reconnaissance on near-model-airplane-sized unmanned aerial vehicles (UAVs).

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