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low Earth orbiting satellites

HORIZON PLANE AND COMMUNICATION DURATION FOR LOW EARTH ORBITING (LEO) SATELLITE GROUND STATIONS

HORIZON PLANE AND COMMUNICATION DURATION FOR LOW EARTH ORBITING (LEO) SATELLITE GROUND STATIONS

... (Low Earth Orbiting) satellites only when the satellite is in their visibility ...LEO satellites which do move too fast over the ...the satellites motion detection, the ...

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The Range and Horizon Plane Simulation for Ground Stations of Low Earth Orbiting (LEO) Satellites

The Range and Horizon Plane Simulation for Ground Stations of Low Earth Orbiting (LEO) Satellites

... (Low Earth Orbiting) satellites only when the satellite is in their visibil- ity ...LEO satellites move too fast over the ...for low Earth orbiting sat- ellites as ...

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The Downlink Adjacent Interference for Low Earth Orbiting (LEO) Search and Rescue Satellites

The Downlink Adjacent Interference for Low Earth Orbiting (LEO) Search and Rescue Satellites

... environmental satellites provide con- tinuous coverage of Earth, supplying high-resolution global meteorological, oceanic and space observation ...these satellites are part of the international ...

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Automatic planning and scheduling of active removal of non-operational satellites in low earth orbit

Automatic planning and scheduling of active removal of non-operational satellites in low earth orbit

... In this paper two novel strategies to automatically design an optimized mission to de-orbit up to 10 non-cooperative objects per year are proposed, targeting the region within 800 and 1400 km altitude in LEO. The ...

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Atmospheric influences on infrared-laser signals used for occultation measurements between Low Earth Orbit satellites

Atmospheric influences on infrared-laser signals used for occultation measurements between Low Earth Orbit satellites

... already low (see, ...near-polar orbiting satellites as in the ACCURATE concept, the receiver will be shielded from this strong signal to protect the ...

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Sodium and Potassium Signatures of Volcanic Satellites Orbiting Close-in Gas Giant Exoplanets

Sodium and Potassium Signatures of Volcanic Satellites Orbiting Close-in Gas Giant Exoplanets

... even Earth-mass exomoons around hot Jupiters could be tidally-stable on ∼ Gyr ...the low tidal Q values used in the literature (Barnes & O’Brien (2002); Weidner & Horne (2010)) pre- viously set to ...

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Comparative Study Of Leo, Meo & Geo Satellites

Comparative Study Of Leo, Meo & Geo Satellites

... military Earth observation satellites, communication satellites, weather satellites, navigation satellites, and research ...the Earth orbiting satellites namely ...

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The role of high resolution geomagnetic field models for investigating ionospheric currents at low Earth orbit satellites

The role of high resolution geomagnetic field models for investigating ionospheric currents at low Earth orbit satellites

... Low Earth orbiting geomagnetic satellite missions, such as the Swarm satellite mission, are the only means to moni- tor and investigate ionospheric currents on a global scale and to make in situ ...

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Modulated Wave Frequencies in the Solar System and Universe

Modulated Wave Frequencies in the Solar System and Universe

... on orbiting frequencies. Satellites having two orbiting frequencies in the Solar system are particularly “peppered” with rings as a low frequency modulates a high one producing along with the ...

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Electrodynamic Tether System for Propellantless De-Orbiting

Electrodynamic Tether System for Propellantless De-Orbiting

... of low Earth orbit—from 200 to 2,000 kilometers above the surface has become littered with tens of thousands of objects, including defunct satellites, rocket motors, explosion debris and ...

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Elevation Variation with Low Earth Orbiting Search and Rescue Satellites for the Station Implemented in Kosovo

Elevation Variation with Low Earth Orbiting Search and Rescue Satellites for the Station Implemented in Kosovo

... SARSAT system detects and locates distress beacons (406MHz) activated at distress location. System calculates the location of distress event using Doppler processing techniques. Processed data are on-board stored and ...

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SATELLITE COMMUNICATION AND ITS APPLICATIONS

SATELLITE COMMUNICATION AND ITS APPLICATIONS

... The basic purpose of satellites for mobile communication is to cover maximum area of the earth surface. This area is termed as footprint of that satellite. Within the footprint, communication with that ...

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Neutrinos from CERN, Reaching Too Early to Gran Sasso, Do Not Exceed the Velocity of Light  They in Fact Reveal the True Physical Mechanism of Gravity

Neutrinos from CERN, Reaching Too Early to Gran Sasso, Do Not Exceed the Velocity of Light They in Fact Reveal the True Physical Mechanism of Gravity

... In 2011 neutrinos from CERN in Geneva-CH were announced to reach to the OPERA Lab in Gran Sasso-IT 60 ns earlier than light. In reality, the velocity of the neutrinos was compared, not with the measured one-way velocity ...

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Precipitation products from the hydrology SAF

Precipitation products from the hydrology SAF

... We have presented an overview and explanation of the EUMETSAT Satellite Application Facility on Support to Op- erational Hydrology and Water Management, which is the main European effort concerning use of satellite ...

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EQUILIBRIUM POSITIONS OF A CABLE-CONNECTED SATELLITES SYSTEM UNDER THE INFLUENCE OF SOLAR RADIATION PRESSURE, EARTH'S SHADOW, EARTH'S OBLATENESS AND AIR RESISTANCE: ELLIPTICAL ORBIT

EQUILIBRIUM POSITIONS OF A CABLE-CONNECTED SATELLITES SYSTEM UNDER THE INFLUENCE OF SOLAR RADIATION PRESSURE, EARTH'S SHADOW, EARTH'S OBLATENESS AND AIR RESISTANCE: ELLIPTICAL ORBIT

... γ is a shadow function which depends on the illumination of the system of satellites by the sun rays. If γ is equal to zero, then the system is affected by the shadow of the earth. if γ is equal to one, ...

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Two transiting earth-size planets near resonance orbiting a nearby cool star

Two transiting earth-size planets near resonance orbiting a nearby cool star

... circles ) . Solar system planets are indicated as cyan squares. The green curves indicate expected planet mass – radius curves for pure iron, water, and rock compositions according to models by Zeng & Sasselov ( 2013 ...

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Effect of UV radiation on the spectral fingerprints of Earth like planets orbiting M stars

Effect of UV radiation on the spectral fingerprints of Earth like planets orbiting M stars

... For clear sky models, the vegetation red edge ( VRE ) surface feature is detectable in low-resolution spectra owing to the order-of-magnitude-increased VRE re fl ectance between 0.7 and 0.75 μ m for all M grid ...

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Strong XUV irradiation of the Earth sized exoplanets orbiting the ultracool dwarf TRAPPIST 1

Strong XUV irradiation of the Earth sized exoplanets orbiting the ultracool dwarf TRAPPIST 1

... relatively low flux compared to the canonical saturated value might then re- flect the known decrease in stellar activity to spectral types later than M6 ...

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A super-Earth and two Neptunes orbiting the nearby Sun-like star 61 Virginis

A super-Earth and two Neptunes orbiting the nearby Sun-like star 61 Virginis

... short-term, low-amplitude brightness variability in solar-type stars due to rotational modulation of the visibility of surface magnetic activity (spots and plages), as well as longer term variations associated ...

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Console Application to Predict Satellite Position for Novice Learner

Console Application to Predict Satellite Position for Novice Learner

... that Low Earth Orbit (LEO) satellite such as the International Space Station can be seen with the naked eyes? We can see it if the size of satellite is large and has a good viewing condition during tracking ...

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