Name: 1502E05_NE.tif

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Description: Ayres Associates provided Pulaski County, Illinois with digital, 4-band orthoimagery services in 2022. The aerial imagery was collected on March 1st using a Microsoft Vexcel UltraCam M1 sensor mounted in a fixed-wing aircraft equipped with Inertial Measurment Unit (IMU) and Airborne GPS. Aerial imagery was collected to support 0.25 foot ground sample distance (GSD) orthoimagery to meet ASPRS Level II horizontal accuracy specifications at 1"=50' map scale. The 3-inch pixel orthoimagery was produced to meet or exceed a horizontal accuracy of 0.7 feet root mean square error (RMSE), which equates to 1.2 feet at 95% confidence level. Resultant orthoimagery was rectified to a DEM created from the latest available LiDAR. Orthoimagery was delivered as GeoTiff and MrSID tiles, and a project wide MrSID mosaic. The total project area covers approximately 211 square miles.

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