orbiting radio beacon ionospheric satellite

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• ORBIS — Orbiting Radio Beacon Ionospheric Satellite ( > IEEE Standard Dictionary ) …   Acronyms

• ORBIS — Orbiting Radio Beacon Ionospheric Satellite ( > IEEE Standard Dictionary ) …   Acronyms von A bis Z

• ARGOS (satellite) — ARGOS Artist s rendition of ARGOS Operator AFRL, NRL, STP Bus Boeing Mission type …   Wikipedia

• Coherent electromagnetic radio tomography — The Coherent Electromagnetic Radio Tomography (CERTO) is a radio beacon which measures ionospheric parameters in coordination with ground receivers. CERTO provides global ionospheric maps to aid prediction of radio wave scattering. CERTO was… …   Wikipedia

• P91-1 ARGOS — Infobox Spacecraft Name = ARGOS Caption = Artist s rendition of ARGOS Organization = AFRL, NRL, STP Major Contractors = Bus = Mission Type = Space environment Flyby Of = Satellite Of = Earth Orbital Insertion Date = Orbits = Decay = Launch =… …   Wikipedia

• History of radar — The history of radar starts with experiments by Heinrich Hertz in the late 19th century that showed that radio waves were reflected by metallic objects. This possibility was suggested in James Clerk Maxwell s seminal work on electromagnetism.… …   Wikipedia

• Liste der Explorer-Missionen — Die Liste der Explorer Missionen führt chronologisch geordnet alle Satelliten auf, die im Explorer Programm der NASA realisiert wurden. Dabei werden auch die Satelliten genannt, die aufgrund des Versagens der Trägerrakete keine Umlaufbahn… …   Deutsch Wikipedia

• Differential GPS — Transportable DGPS reference station Baseline HD by CLAAS for use in satellite assisted steering systems in modern agriculture Differential Global Positioning System (DGPS) is an enhancement to Global Positioning System that provides improved… …   Wikipedia

• Antarctica — /ant ahrk ti keuh, ahr ti /, n. the continent surrounding the South Pole: almost entirely covered by an ice sheet. ab. 5,000,000 sq. mi. (12,950,000 sq. km). Also called Antarctic Continent. * * * Antarctica Introduction Antarctica Background:… …   Universalium