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  • By Jami Harmon, GSSI Antennas used with ground penetrating radar (GPR) come in different shapes and sizes. The largest antennas typically radiate the lower frequencies necessary to detect the deepest targets. The smallest antennas radiate the highest frequencies that provide the greatest resolution required to detect small, shallow targets. The “best” antenna for a job

  • On the heels of the first definitive signs of the ozone layer recovery in 2018, an international team of scientists discovered that production and emission of a banned, potent ozone-depleting chemical is on the rise again. A new research finding, published in Nature on May 23, locates the source region for about half of those

  • U.S. Geological Survey (USGS) and independent scientists gathered in Auburn, Maine, to evaluate the use of sensor-mounted unmanned aircraft systems (UAS), or drones, to gauge stream stage, velocity, bathymetry and discharge. The technology is being evaluated and modeled to determine whether it will support the fast, accurate and safe measurement of rivers, especially when they

  • In the aftermath of natural disasters, capturing image data is a critical information resource for disaster management, supporting the response effort to deliver emergency infrastructures and supplies, risk assessment, damage assessment for cost estimation, structural analysis, and beyond. After Hurricane Michael in 2018 and a devastating tornado in Alabama in 2019, Site Tour 360 visited

  • Scientists at NASA’s Jet Propulsion Laboratory (JPL) in Pasadena, Calif., have been working on the tricky problem of CubeSat transmission antennas, which must be small enough for these diminutive devices yet still transmit data through the huge expanses of space. “It’s like pulling a rabbit out of a hat,” said Nacer Chahat, a specialist in […]

  • New Real-Time Maps Transform Forecast Data into Vivid Pictures of U.S. River Flows REDLANDS, Calif.—August 25, 2016—Smart-mapping leader Esri today released a beautiful, robust new collection of Web maps that forecast NOAA stream-flow data throughout the continental U.S. Esri’s multiscale visualization of the National Water Model enables forecast water flows in real time at high […]

  • January 7 — Federal Aviation Administration (FAA) Administrator Michael Huerta today announced the public release of the B4UFLY mobile application following an initial beta testing period.

  • Ordnance Survey (OS) and Dennis Maps have signed an agreement for Britain’s mapping agency to acquire a 25%.

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