Antenna-feeder devices are used on spacecraft, which are part of various on-board systems and complexes. One such system is a radio communication channel for transmitting target information. A model of the aerial array of the radio data communication of target information from waveguide transmitters is developed and its characteristics are determined.
The ionosphere is the ionized part of Earth's upper atmosphere, from about 60 km to 1,000 km altitude, a region that includes the thermosphere and parts of the mesosphere and exosphere. The ionosphere is ionized by solar radiation. It plays an important role in atmospheric electricity and forms the inner edge of the magnetosphere. It has practical importance because, among other functions, it influences radio propagation to distant places on the Earth. The region below the ionosphere is called neutral atmosphere, or neutrosphere. In this paper aspects of design antennas for radio occultation method of ionosphere diagnostics are presented.
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