The Barrett 977 HF tracking system is an automatic vehicle locating and tracking package which utilises the Global Positioning System (GPS) and an HF network consisting of a central control station and mobiles.
The 977 computer based tracking system, located at the control station, automatically polls vehicles or vessels within the HF network, retrieving their position using a standard Selcall format based on CCIR493-2. The position of the vehicle or vessel being tracked is then displayed on a computer based map.
The control station consists of a PC loaded with the Barrett 977 HF vehicle tracking software connected to a Barrett 2050 transceiver. Vehicles or vessels to be tracked are fitted with a Barrett 2050 transceiver equipped with an optional GPS receiver either installed externally or within the 2019 Automatic tuning mobile Antenna.
Reports alarm conditions immediately upon receiving a distress signal issued by any vehicle or vessel and automatically displays its location on the appropriate map.
Warns when vehicles or vessels approach a user defined exclusion zone.
Vehicle or vessel positions can be recorded for later playback and analysis.
Provision to retrieve and store textual information about every vehicle or vessel in the fleet.
Provision to read and update textual information about specific locations on the map (way points). Way points are colour coded dots which are placed on the map by the user.
Telemetry displays the mobile Selcall ID number, speed, distance, calculated arrival time and bearing to a selected destination, which can be a location on the map or the location of another mobile.
Displays the current vehicle or vessel’s position as an icon (various sizes), continuous track or a trail of points. Clicking on a trail point with button 2 will display the Selcall ID, date, time, latitude and longitude.
Maps can be scanned by the customer using an A4 flat bed scanner and registered using the inbuilt registration system in the tracking software.
System accuracy in the order of 15 to 30 metres (when subject to the effects of selective availability 100 metres).
Transceiver function access which includes PAGECALL, STATUS CALL and the ability to control most main transceiver functions from the computer screen.