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ionospheric refraction

См. также в других словарях:

  • Ionospheric reflection — Ionospheric reflection: Of electromagnetic waves propagating in the ionosphere, a redirection, i.e., bending by a complex process involving reflection and refraction of the waves back toward the Earth. Note: The amount of bending depends on the… …   Wikipedia

  • ionospheric refractive index — jonosferos lūžio rodiklis statusas T sritis radioelektronika atitikmenys: angl. ionospheric refractive index vok. ionosphärischer Brechnungsindex, m rus. индекс ионосферной рефракции, m pranc. indice de réfraction ionosphérique, m …   Radioelektronikos terminų žodynas

  • indice de réfraction ionosphérique — jonosferos lūžio rodiklis statusas T sritis radioelektronika atitikmenys: angl. ionospheric refractive index vok. ionosphärischer Brechnungsindex, m rus. индекс ионосферной рефракции, m pranc. indice de réfraction ionosphérique, m …   Radioelektronikos terminų žodynas

  • Transit (satellite) — Transit 2A with GRAB 1 atop during launch preparations The TRANSIT system, also known as NAVSAT (for Navy Navigation Satellite System), was the first satellite navigation system to be used operationally. The system was primarily used by the U.S.… …   Wikipedia

  • DXing — is the hobby of tuning in and identifying distant radio or television signals, or making two way radio contact with distant stations in amateur radio, citizens band radio or other two way radio communications. Many DXers also attempt to receive… …   Wikipedia

  • Low-power broadcasting — Contents 1 United States 1.1 FM radio 1.1.1 LPFM classes 1.1.2 …   Wikipedia

  • Ionosphere — The ionosphere is a part of the upper atmosphere, comprising portions of the mesosphere, thermosphere and exosphere, distinguished because it is ionized by solar radiation. It plays an important part in atmospheric electricity and forms the inner …   Wikipedia

  • Non-line-of-sight propagation — Non line of sight (NLOS) or near line of sight is a term used to describe radio transmission across a path that is partially obstructed, usually by a physical object in the innermost Fresnel zone. Many types of radio transmissions depend, to… …   Wikipedia

  • Radio propagation — is a term used to explain how radio waves behave when they are transmitted, or are propagated from one point on the Earth to another. [ H. P. Westman et al, (ed), Reference Data for Radio Engineers, Fifth Edition , 1968, Howard W. Sams and Co.,… …   Wikipedia

  • telecommunications media — Introduction       equipment and systems metal wire, terrestrial and satellite radio, and optical fibre employed in the transmission of electromagnetic signals. Transmission media and the problem of signal degradation       Every… …   Universalium

  • List of radio propagation topics — This is a list of radio propagation terms. NOTOC A a index A index aa index active prominence active prominence region (APR) active region active surge region (ASR) active dark filament (ADF) AE index Air Force Geophysics Laboratory (AFGL) arch… …   Wikipedia

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