TY JOUR TI Digital telemetry data processing and calculation in solving problems of unmanned navigation KW unmanned navigation KW navigational data KW telemetering system KW E-navigation KW vessel traffic services KW integrated bridge systems KW data transmission channel KW filtration KW error stream JO Operation of Maritime Transport AU Ardelyanov, N.. PY 2021 IS PB Budget Educational Institution of Higher Education “Admiral Ushakov State Maritime University”