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Road Repair via Satellite


A Texas toll road operator has turned to the sky for solutions to a very down-to-earth problem: roadway maintenance. 

The key to the approach is interferometric synthetic aperture radar (InSAR),  which creates high-density measurements by using radar signals from Earth-orbiting satellites. InSAR imagery permits the monitoring of data representing a wide area at all times of day or night, in any weather conditions. 


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