FIELD: radio engineering, communication.
SUBSTANCE: stationary unit of territorial radio HF band contains in its structure additional sets of receive and transmit antennas radio, as well as hardware and software systems ionospheric sounding, determining spatial parameters of radio and determining the operating frequency range, providing maintenance sessions fashion 1F2 without fading multipath in around HF range.
EFFECT: increase in the radius of the territorial unit to radio coverage area 3000 km, exclusion of signal fading due to multipath in large coverage area, expanding the range of operating frequencies of the service area of the node.
3 dwg
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