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      GeophysicsData AnalysisIonosphereElectromagnetic Waves
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      PhysicsEnergyIonosphereElectric Fields
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      GeologyGeophysicsMagnetic fieldSeasonality
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      Signal ProcessingMultidisciplinaryGPSSatellite Communication
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      Mechanical EngineeringAerospace EngineeringGlobal Positioning SystemSpace
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      X RaysIonosphereTotal Electron ContentGeomagnetic field
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      GeomaticsIonosphereSolar ActivityTotal Electron Content
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      DecompositionNavigationIonosphereSpace Weather
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      Data AnalysisIonosphereElectron DensityData Center
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      MagnetohydrodynamicsAtmospheric ModelingMultidisciplinaryMagnetic field
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      Solar PhysicsIonosphereRoot-Mean Square ErrorElectron Density
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      ElectronicsIonosphereArtificial Neural NetworkElectrical And Electronic Engineering
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      Mechanical EngineeringAerospace EngineeringSpaceIonosphere
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      MultidisciplinarySeasonalityIonospherePower Law
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      Remote SensingMultidisciplinaryIonosphereNew Mexico
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      PhysicsStatistical AnalysisAtmospheric ModelingMultidisciplinary
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      Mechanical EngineeringAerospace EngineeringNonlinear dynamicsSpace
Twelve year long observations of natural magnetic field variations in the frequency range 5-50 Hz at Arrival Heights, Antarctica, are summarized in mean diurnal spectra. The observed central frequencies of the Schumann resonances are used... more
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      Magnetic fieldIonosphereTime DependentSchumann resonances
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      MultidisciplinaryIonosphereGeophysical
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      Data AnalysisQuantum MechanicsMultidisciplinaryIonosphere
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      EngineeringMolecular PhysicsOrganic ChemistryChemical Physics
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      Radio AstronomyLow FrequencyIonosphereSpace vehicles
Swarm, a satellite constellation to measure Earth's magnetic field with unpreceded accuracy, has been selected by ESA for launch in 2009. The mission will provide the best ever survey of the geomagnetic field and its temporal... more
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      Earth SciencesMagnetic fieldIonosphereMathematical Sciences
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      Higher Order ThinkingIonosphereRadio FrequencyPhase Distortion
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      ManagementEcological EngineeringOptical EngineeringBiochemistry
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      Finite ElementMultidisciplinaryIonosphereElectromagnetic Waves
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      Mechanical EngineeringAerospace EngineeringRemote SensingScience Education
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      IonosphereMathematical SciencesPhysical sciencesSpectrum
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      Signal ProcessingMultidisciplinaryIonosphereElectron Density
We report initial measurements of ionospheric propagation parameters, particularly the total electron content (TEC), using the recently launched FORTE satellite. FORTE, which orbits the Earth at an altitude of 800 km and an inclination of... more
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      Data AnalysisMultidisciplinaryTime series analysisIonosphere
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      Quantum MechanicsMultidisciplinaryIonosphereSteady state
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      MultidisciplinaryIonosphereAtomic OxygenTotal Electron Content
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      Quantum MechanicsMasersLow FrequencyExperimental Research
A combination of all-sky imagers (ASTV) and meridian-scanning photometers (MSP) was used to identify the optical signature of the growth phase, onset, expansion, and recovery of 33 auroral substorms in the Alaskan sector. The discrete... more
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      MultidisciplinaryIonosphereMagnetospheric PhysicsGeophysical
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      MultidisciplinaryIonosphereMagnetospheric PhysicsBalance
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      Mechanical EngineeringAerospace EngineeringSignal ProcessingPerformance
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      MagnetohydrodynamicsQuantum MechanicsMultidisciplinaryMagnetic field
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      Magnetic fieldPlanetary and Space ScienceIonosphereLow Energy Buildngs
NRTK<sup>1</sup> is an efficient method to achieve precise real time positioning from GNSS measurements. In this paper we attempt to improve NRTK algorithm by introducing a new strategy. In this strategy a precise relocation... more
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      Interpolation (Geostatistics)IonosphereEarth RotationOrdinary Kriging
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      Atmospheric ScienceIonospherePrediction Model
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      MultidisciplinaryIonosphereNew MexicoWave propagation
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      Mechanical EngineeringAerospace EngineeringSpaceGPS
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      Mechanical EngineeringAerospace EngineeringTime SeriesTemporal Resolution
Previously, we studied the ionospheric effects of the sequence of geomagnetic storms on September 9–14, 2005 using a global self-consistent model “Thermosphere-Ionosphere-Protonosphere” (GSM TIP). Differences between the predicted and... more
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      IonosphereNumerical SimulationGeomagnetic fieldTime Dependent
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      Distributed ComputingIonosphereBit Error RateLeast Mean Square
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      Channel CodingCodingIonosphereEqualization
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      Remote SensingData AnalysisEarthGround Penetrating Radar
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      Plasma PhysicsRadioMultidisciplinaryIonosphere
The refractive index of an ionized medium in a magnetic field is complex. The formula for the refractive index is the cornerstone of the theory useful to establish the background study for radio wave propagation in uniform magneto-plasma.... more
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      Magnetic fieldIonosphereRefractive IndexAnisotropic media
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      Time SeriesParameter estimationIonosphereSatellite Data