Stasys Tamošiūnas

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a Faculty of Physics, Vilnius University, Saulėtekio 9, LT-10222 Vilnius, Lithuania E-mail: stasys.tamosiunas@ff.vu.lt b Institute of Materials Science and Applied Research, Vilnius University, Saulėtekio 9, LT-10222 Vilnius, Lithuania c Semiconductor Physics Institute, A. Goštauto 11, LT-01108 Vilnius, Lithuania d Department of Radio Communication,(More)
Seasonal and daily variations of radio refractivity have been analyzed in the localities of Lithuania. The method proposed in the Recommendation of International Telecommunication Union (ITU) has been used. The local meteorological data have been used in calculation of radio refractivity. The values of radio refractivity have been determined in Vilnius,(More)
Humidity remains in the atmosphere even on bright days. Water of all three states can be found naturally in the atmosphere: liquid (rain, fog, and clouds), solid (snowflakes, ice crystals), and gas (water vapour). Water in any state is an obstacle in the link of the electromagnetic wave. When the wave passes through the water particles, a part of its energy(More)
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