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Inspec keywords: ionospheric techniques; radiowave propagation; Global Positioning System; monitoring; ionospheric electromagnetic wave propagation; radio receivers; ionospheric measuring apparatus; electron density; dipole antennas
Subjects: Atmospheric, ionospheric and magnetospheric techniques and equipment; Satellite communication systems; Single antennas; Radiowave propagation; Instrumentation and techniques for aeronomy, space physics, and cosmic rays; Asia; Ionospheric electromagnetic wave propagation