FIELD: satellite navigation. SUBSTANCE: invention can be used to determine ionospheric delay in propagation of signals of global navigation satellite systems with the help of navigation equipment of users of global navigation satellite system operating on single frequency. According to proposed method delay of signals in ionosphere is determined by way of solving system of equations compiled by differences of increments of pseudo-ranges measured by range-finding code and by phase of carrier frequency per each navigation spacecraft. EFFECT: simplified method of evaluation of delay of signals in ionosphere, increased speed of determination of delay of signals. 1 dwg
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