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The WinFrog Multiple Vehicle Positioning
& Telemetry (MVP&T) Module supports communication
between multiple WinFrog systems using wireless network
technology. Available as an extension to the core
WinFrog program, this module passes positional data
between multiple WinFrog systems so that each WinFrog
system on the network can track and display all vehicles
positioned by other networked WinFrog systems.
This communication can be set up
via three different methods: active token ring, static
token ring and point-to-multipoint. The active token
ring method works on a "token ring" principle
whereby no single vehicle acts as the master of the
network; instead, one vehicle initiates the passing
of a token and all vehicles in range are automatically
added to the network. The static token ring uses an
operator-specified network membership, as does the
point-to-multipoint. In addition to the transfer of
positional data over the network, the MVP&T Module
allows inter-vehicle file transfers and RTCM-104 messages
to be rebroadcast over the network.
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overview