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Observed property

prefLabel	ESPAS Observed Property
definition	Observed Property describes the Phenomenon for which the Observation result provides an estimate of its value.
hasTopConcept	Virtual Height of a Plasma Layer Kappa Index of Particle Velocity Distribution Top Frequency of Reflections from Plasma Layer Temperature Ratio International Sunspot Number Resonance Frequency Range Spread of Echo trace Photon Flux Neutral Wind Velocity Neutral Temperature Altitude of Constant Atmospheric Pressure Minimum Frequency of Reflections from Plasma Layer Standard Maximum Usable Frequency Magnetic Field Standard M-Factor Ratio LOCATION Ion Temperature Ion Flux Ion Drift Velocity Ion Density Ion Composition Frequency Spread of Echo Trace Electron Temperature Electron Flux Electron Drift Velocity Electron Density Electric Field Travel Time of EM Wave Echo Electrostatic Wave Electromagnetic Wave Cutoff Frequency Critical Frequency Collision Frequency Blanketing Frequency