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  2. Ground-penetrating radar - Wikipedia

    en.wikipedia.org/wiki/Ground-penetrating_radar

    Ground-penetrating radar (GPR) is a geophysical method that uses radar pulses to image the subsurface. It is a non-intrusive method of surveying the sub-surface to investigate underground utilities such as concrete, asphalt, metals, pipes, cables or masonry. [ 1 ]

  3. List of ground-based radars used by the United States Marine ...

    en.wikipedia.org/wiki/List_of_ground-based...

    This is an incomplete list of ground-based radars operated by the United States Marine Corps since the service first started utilizing radars in 1940. [1] The Marine Corps' has used ground-based radars for anti-aircraft artillery fire control, long range early warning, Ground-controlled interception (GCI), ground directed bombing, counter-battery radar, short-range cueing for man-portable air ...

  4. Space-based radar - Wikipedia

    en.wikipedia.org/wiki/Space-based_radar

    The Cassini radar was a multimode system and could operate as Synthetic Aperture Radar, radar altimeter, scatterometer and radiometer. Sounding radars: these are low-frequency (normally, HF - 3 to 30 MHz - or lower) ground-penetrating Radars, used to acquire data about the planet sub-surface structure. Their low operating frequency allow them ...

  5. Ground-penetrating radar reveals splendor of ancient ... - AOL

    www.aol.com/news/ground-penetrating-radar...

    In a glimpse into the future of archeology, researchers have used ground-penetrating radar to map an entire ancient Roman city, detecting remarkable details of buildings still deep underground ...

  6. US Radar - Wikipedia

    en.wikipedia.org/wiki/US_Radar

    The frequency range for this type of ground penetrating radar equipment is 10-2300 MHz with a peak frequency between 100 and 1000 MHz and pulse duration of 0.2 to 4.0 ns. More than 50,000 lineal feet of data can be collected and stored in the US Radar unit before being transferred via USB port to a Windows-based operating system that processes ...

  7. NASA radar finds Cold War 'city under the ice' in Greenland

    www.aol.com/news/nasa-radar-finds-cold-war...

    The CIRES-led study used ground-penetrating radar to estimate the amount of waste under the ice. The team found that the waste at Camp Century covers about 136 acres, ...

  8. Geophysical imaging - Wikipedia

    en.wikipedia.org/wiki/Geophysical_imaging

    The types of geophysical imaging used include: diffusive electromagnetic, geoelectric, seismic tomography, and ground-penetrating radar. In fact, the first use of ground-penetrating radar was to determine a glacier's depth in 1929. [3] Two dimensional geophysical imaging techniques have recently allowed for 2D imaging of mountain permafrost. [6]

  9. A 16-year-old went missing 2 decades ago. Investigators used ...

    www.aol.com/16-old-went-missing-2-194312139.html

    Using “ground penetrating radar” to search below the surface, authorities found spots of different density than the surrounding soil, said Lerah Sutton of the University of Florida Naples ...

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