A field experiment on the transmission of a short-wave modulated radio signal over a distance of 470 m in a marine environment using spherical antennas is described. Special transceiver equipment has been designed based on the results of the generalized electrodynamic theory. It is hypothesized that a high-frequency radio communication channel can be created in a marine environment by means of longitudinal electromagnetic waves.

The results of data processing obtained in the course of full-scale experiments on the transmission of a short-wave radio signal in the marine environment using special ball antennas are presented. The capacity of the radio communication channel in the modulation frequency band is estimated. Statistical estimates of signals and noises are obtained, which make it possible to calculate decision-making thresholds based on the theory of statistical radio engineering. It is concluded that it is possible to create a two-way voice radio communication channel between mobile underwater objects. Keywords: underwater radio communication, radio communication channel capacity, ball antennas, generalized electrodynamics.

An electromagnetic wave is a complex vortex and a potential process. This allows us to omit the Lorentz gauge, formulate a mathematically precise theory, and avoid physics discordances. The mechanism of distribution of complex waves in dielectric and electrical conductive environments was described.

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