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Trimble Inc.
935 Stewart Drive
Post Office Box 3642
Sunnyvale, CA 94085
1.408.481.8000 phone
1.408.481.7781 fax


Trimble Delivers the Highest Level of GPS Performance in
a New Compact Card Format

NASHVILLE, Tenn., Sept. 15, 1999 -- Trimble (NASDAQ:TRMB) introduced today the BD750™, a compact Real-Time Kinematic (RTK) Global Positioning System (GPS) card for machine and vessel positioning, guidance and control applications.
The card provides system integrators with the highest level of integration, accuracy and response from a dual-frequency GPS receiver. Its compact Eurocard form factor allows for easy integration with minimal demand on space.
The announcement was made at the Institute of Navigation GPS '99 Conference.
The BD750 is accurate and fast with centimeter-level positioning. Dynamic platforms, such as autonomous machinery, require virtually instantaneous position reports multiple times per second. The BD750 delivers positions to guidance or control loop software with an unprecedented latency of less than 20 milliseconds at 20 times per second. This responsiveness is matched with horizontal accuracies of 2 centimeters and vertical accuracies of 3 centimeters. For even more precise applications, the BD750 provides horizontal accuracies of 1 centimeter at a 5 Hz rate with a small increase in latency.
Interfacing and configuration is easy with the BD750. The card is designed to plug right into an application with minimal development. An easy-to-use application file interface enables the receiver to be completely programmed with a single command. The BD750 can also be configured by a Windows-based Configuration Toolbox and Remote Controller software. The card includes support for the industry-standard CAN (Controller Area Network) architecture.
The BD750 uses the most advanced technology from Trimble. The accuracies, update rates and latencies are made possible through a GPS architecture specifically designed for demanding dynamic positioning applications. Custom-designed hardware with Super-trak™ signal technology and EVEREST™ multi-path rejection technology provide superior satellite tracking.
The BD750 can receive both differential GPS corrections and Trimble's published Compact Measurement Record (CMR) differential data simultaneously. The card then chooses the optimum source for seamless navigation. The ability to calculate the baseline vector between two moving receivers to centimeter accuracy is available as an option. This option provides robust heading on a moving platform or reliable separation between two dynamic vehicles.
The BD750 is expected to be available in Oct. of 1999 through Trimble's worldwide dealer network.
About Trimble
Trimble is a world leader in designing and developing innovative products enabled by GPS technology. The company provides end-user and OEM solutions for diverse applications including surveying, mapping/GIS, agriculture, construction, mining, military, commercial aviation, automotive, vehicle tracking and timing. Founded in 1978, Trimble now holds more than 200 U.S. patents on GPS and related technology, with over 180 additional patents pending. Located in Sunnyvale, Calif., Trimble has been adding value to GPS since 1984.
Media Contact:   LeaAnn McNabb of Trimble: 408-481-7808

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