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Issue Date: June 2003

Handheld GPS mapping system

1 June 2003

Leica Geosystems recently announced the release of its new sub-meter, cable-free, handheld GPS mapping system, the GS20 PDM - Professional Data Mapper. The GS20 PDM combines the accuracy and capabilities of a professional-grade GIS data collection system with the ease-of-use of a recreational GPS unit.
Focusing on the data collection market, the GS20 takes advantage of Bluetooth technology for cable-free operation, and is available with a system of wireless accessories called the Wireless Real-time Correction System, or The WoRCS. The WoRCS uses Bluetooth for cable-free access to realtime differential corrections (DGPS), and connections with other RS232 accessories.
With the WoRCS the GS20 PDM delivers sub-metre accuracy in realtime, with options for both maritime beacon and satellite differential sources. Users can also achieve sub-metre to centimetre accuracy by post-processing, or 2 to 3 m accuracy positioning autonomously.
Built for efficiency in the field, a user-friendly interface with graphical map displays, cellphone-style keypad, and intuitive menus, makes the GS20 PDM easy to use. By taking advantage of the new 'Power Page' functionality, users can access several screens simultaneously to improve the efficiency of field operations. A removable Lithium-Ion battery provides all-day runtime, and when needed, can be easily swapped with a charged battery for a minimum downtime in the field.
Other features include:
* Screen: High resolution high-contrast screen ensures outdoor readability under any conditions.
* Geo Clipboard: The Geo Clipboard makes it possible to copy, cut and paste features and nodes, allowing separate features to share common nodes and multiple offsets from a single location.
Furthermore, for those users who collect data in harsh GPS environments, a high precision external package - that provides a premium grade external antenna for increased reception and greater multipath rejection - is also available.
For more information contact Setpoint, 011 691 6700


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