ITALY GNSS NETWORK
The permanent stations, if organized in nets, can be in a position to supplying with of services in real time This type of service can be realized also with nets characterized from elevated distance between the stations, of the order of approximately 70 km. From that the plan of the V.R.S.(Virtual Reference Station is born). The virtual stations can be realized from a control center (station master) that, notes the observations in the permanent stations of the net, interpola the corrections in the approximate position of the mobile receiver (rover), that is in one virtual station theoretically much neighbor to its real position. This system demands a communication to two ways between the rover and the master, the rover it sendes to master the its approximate position (via messages NMEA), and from the master main advantage receives the corrections in time in real time.The main advantage he is that the customer can operate to the inside of net V.R.S with a single receiver and estimate the coordinates of a point with with precision to the centimeter
Gnss Regional networks (GLONASS + GPS) as of: 31/03/2010
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