Component

User

Function

GNSS terminal

Cotton-picker

Positioning and reporting operation area

Smart phone

Captain of machine unit, driver of service unit

Positioning and receiving central navigating message

SMS server

Repeating central navigating message

Communication & database server

Receiving, managing, and repeating message

Application server

Supporting client visiting

Computer

General manager and accountant

Monitoring, analyzing, and management

Pad/Phone

Fleetmanagers

Mobile monitoring and commanding