METHOD OF DETERMINING MAXIMUM USABLE FREQUENCY FOR IONOSPHERIC RADIO COMMUNICATION Russian patent published in 2014 - IPC H04B7/22 

FIELD: radio engineering, communication.

SUBSTANCE: invention relates to ionospheric radio communication and is intended to determine maximum usable frequency. The method involves transmitting radio signals at given frequencies from GPS/GLONASS navigation satellites to the Earth, receiving radio signals transmitted through the "satellite-Earth" distance medium at the receiving side by a single-frequency navigation receiver, standard processing of the received radio signals to determine coordinates of the single-frequency navigation receiver, and displaying calculation results obtained by the single-frequency navigation receiver; coordinates of said navigation receiver are compared with coordinates of the navigation receiver obtained based on a priori geodesic surveying and difference values of coordinates of the navigation receiver are obtained.

EFFECT: providing reliable radio communication at a given time over a long distance.

3 cl, 2 dwg