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  • AVL stands for Automatic Vehicle Location which is a term used for naming the system able to track vehicles, vessels, and mobile assets such as trailers, containers, and equipment, plot their coordinates into one or more computer generated maps and be able to interact with them in several ways.
  • In AVL business, all vehicles in a fleet must have a unit, or GPS Vehicle Unit which can report its position to the HP Base Station over a cellular communications network (AMPS, TDMA, CDMA, GSM, etc).
  • With HunterPro Base Station you can monitor a virtually unlimited number of vehicles, so you can raise your number of customers without any trouble using our turnkey solution.


All cars can now be secured and monitored
24 hours a day by his owner with HunterPro GPS

Four Components of AVL
The Four Components of AVL:

1. GPS Satellites
  • There are many GPS Satellites orbiting the entire globe, transmitting, positioning and timing data day and night in all weather conditions. To learn how a GPS work, please see the GPS Info Page.

2. Mobile GPS Unit

  • More vehicles are installing GPS devices to track satellites and calculate its position, but the position can only be seen locally, or the system can be used partially because is not a turnkey system..
  • A normal AVL system would basically:

    -Receive GPS satellite signals.
    -Calculate your position, speed, heading and altitude.
    -Communicate with the base station using different cellular technologies.
    -Use an intelligent engine to decide when to report data and how.
    -Receive the precise time and date.
    -Log data track geographic location.
  • With HunterPro-GPS you can actually do a lot more than this. Click here to find out how.

    Please see the GPS Info Page for information regarding how the GPS System works.

3. Communications Network

  • HunterPro-GPS has a secure cellular transceiver embedded which offers an accurate and inexpensive communication through the cellular network, so that the vehicle can transmit its position and other information to the base station without errors. The communication goes both ways so that the base station can check the status of its vehicles and if needed send new instructions to it, like remote commands for example.

4. AVL Maps

  • One of the more visible features of AVL is that you can use base station software to automatically display vehicles on a realistic geographic map. Depending on your map display software, maps can be zoomed in and out to virtually any level of detail, and can be set to automatically scroll to follow a designated vehicle.
  • More data available at Map Samples and Information.
  • While map representation is helpful in most AVL applications, it's not always necessary. For example, in emergency 911 dispatch an AVL system usually shares the vehicle position data with a Computer Aided Dispatch system (CAD), which then automatically identifies the closest emergency vehicles. In this application the dispatcher does not need to refer to the map on a regular basis.
  • More information on HunterPro-GPS Cellular Products can be found on these pages:

    Personal-GPS Page FOR PERSONAL AVL
    HunterPro-GPS Page FOR COMMERCIAL AVL
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