electromagnetic field detector Articles

  • The importance of including the natural variability of lightning strength in assessment of thunderstorm range uncertainty

    A method of estimating lightning distance from a single-site lightning detector is to measure the change in electrostatic field produced by the lightning strike. This can be measured directly using slow-response antennas or indirectly by identifying features of the electromagnetic (radio) signal. Other techniques are used, but tend to suffer from increased range uncertainty due to increased ...

  • Radiation Monitors and Meters

    Light Description and Applications The light meter is a portable unit designed to measure visible, UV, and near-UV light in the workplace. (The CTC has a UV light meter available through its loan program, ALEP.) The light meter is capable of reading any optical unit of energy or power level if the appropriate detector has been calibrated with the meter. The spectral range of the instrument is ...

  • Pre-Colombian artifacts case study

    Cordillera de Mérida mountain range, Northeastern Colombia A pipeline is planned to transport oil from the Cordillera de Mérida mountain range of northeastern Colombia west towards the Pacific Ocean. An archeological investigation is being conducted by others along the proposed pipeline route to determine potential areas of historical significance. As part of ...


    By GeoView, Inc.

  • Buried debris case study

    Saufley Field, Escambia County, Florida GeoView was tasked with performing a geophysical investigation at a military base in the southeastern United States. The purpose of the investigation was to locate a reported debris burial pit. The burial pit was reported to be 60 feet (ft) in length and up to 10 ft deep. Historical records indicated that the pit  contained buried drums and ...


    By GeoView, Inc.

  • QuadOa and OGI: how EPA regulations are changing the way we look at gas leaks

    Earlier this year, the Environmental Protection Agency (EPA) published Regulation 40 CFR, Part 60, Sub-part OOOOa, commonly known as Quad Oa, and finally brought optical gas imaging (OGI) firmly into the mainstream. This presents a major shift in the way fugitive emissions are regulated, and the technology that can be used.  Detecting and acting on gas leaks is naturally a major ...

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