5581 to 5592 of 14094 results
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Comparisons of EISCAT and dynasonde ionospheric measurements: simple to moderately structured plasma densities
Read more of: Comparisons of EISCAT and dynasonde ionospheric measurements: simple to moderately structured plasma densitiesPlasma densities obtained from EISCAT’s UHF incoherent scatter system are compared with profiles inverted from the digital ionograms of a co-located dynasonde. Excellent agreement is found for the bottomside ionosphere […]
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A large-scale ionospheric depletion by intense radio wave heating
Read more of: A large-scale ionospheric depletion by intense radio wave heatingA large (100 km N/S), stable, smoothly‐structured and significant depletion (15% in number density) of the daytime Tromsø F‐region was produced inadvertently during a Heater polarisation and beam‐forming procedure. We […]
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The Location of Impurities in Antarctic Ice
Read more of: The Location of Impurities in Antarctic IceAnalysis of an ice sample with an estimated age of 125 years, from the Antarctic Peninsula, using a scanning electron microscope with a cold stage and an X-ray micro-analysis facility, […]