'Trona-1' positioning system

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The 'Trona-1' positioning system is designed to enhance the accuracy and credibility of navigation data by integrating the vehicles navigation system with GLONASS and NAVSTAR satellite navigation systems. 

The 'Trona-1' system presents the tactical situation in real-time and full detail and enables the crew to receive additional navigational information. An electronic mapper based on vector charts enables the operator to control the entire navigation system. The system is made out of advanced computing components and microprocessors and incorporates the following devices: gyroscopic course setter, a gyroscopic course indicator, control panel, converter, coordinator, mapper, course indicator and antenna. 

Taken from: "Armored Vehicles The XXI Century Encyclopedia Russia's Arms and Technology"

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