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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 Expands Agriculture Field Management Capabilities

New DGPS Smart Antenna and Remote Display and Logger Round Out Product Line

SUNNYVALE, Calif., Jan. 26, 2000 -- Continuing to build on its commitment to the agricultural market, Trimble (NASDAQ:TRMB) introduced today its AgGPS® 114 DGPS Smart Antenna and AgGPS 70 Remote Display and Logger (RDL). The new products complement the company's modular AgGPS Field Management System components to provide even more choices and flexibility to the farmer. Now, farmers can customize a precision agriculture system to suit their specific needs.

Trimble's AgGPS Field Management System allows farmers to utilize Global Positioning System (GPS) data, guidance and computing technology to map, measure and strategically manage crop performance to improve productivity.
AgGPS 114 DGPS Smart Antenna
The AgGPS 114 DGPS Smart Antenna is the latest addition to Trimble's line of differential GPS receivers for precision farming. It combines a GPS and L-band DGPS antenna, a high-performance GPS receiver, and a satellite differential correction receiver in a rugged compact unit that mounts on the cab roof. When using DGPS, the AgGPS 114 delivers sub-meter positions to precision agricultural equipment, such as yield monitors, guidance lightbars and field mapping computers. It is fully compatible with all components of Trimble's AgGPS Field Management System, such as the AgGPS Parallel Swathing Option (PSO), the AgGPS 70 RDL and the AgGPS 170 Field Computer.
The DGPS smart antenna operates using a subscription to either the Omnistar or Racal-Landstar differential satellite correction service. Both of these sources provide real-time corrections that do not degrade with distance from a base station. In addition, the receiver may utilize an external source of differential correction in RTCM-104 format. The unit can be upgraded to receive the Federal Aviation Administration's (FAA) Wide Area Augmentation System (WAAS) and European EGNOS corrections, when these services become operational.
AgGPS 70 Remote Display and Logger
Trimble's AgGPS 70 RDL is designed for field guidance and field coverage mapping applications. It puts display, control and data logging capabilities at the farmer's fingertips. The RDL is compact, water-resistant and dust-proof. It houses a removable CompactFlash Card memory module for quick and easy data transfer. The unit saves data in an ESRI Shapefile format for immediate use by compatible agricultural Geographic Information System (GIS) programs. The AgGPS 70 is compatible with the AgGPS Field Management System components such as the AgGPS 114, 124, 132 GPS receivers and the AgGPS 21 Lightbar. In addition, Trimble's popular AgGPS PSO can now be upgraded to the AgGPS PSO Plus, which combines the AgGPS 21 Lightbar and RDL.
Field Guidance and Mapping with the AgGPS PSO Plus
The AgGPS 114 DGPS Smart Antenna and the AgGPS PSO Plus work together to provide accurate field guidance and mapping eliminating the need for conventional foam markers. The receiver is controlled with the new AgGPS 70 RDL. The user can set all receiver operating parameters as well as configure and control swathing operations, including setting swath patterns, swath width, start points and end points. Once set up, the AgGPS 114 controls the display on the Parallel Swathing lightbar, providing guidance over the field, minimizing overlap and skip. The guidance patterns provided include A-B (back and forth), curved lines, s piral, crop circle and racetrack. In addition, the AgGPS 70 RDL allows logging of field coverage.
As-Applied Mapping with the AgGPS 170 Field Computer
Using the AgGPS 114 DGPS Smart Antenna with the AgGPS 170 Field Computer enables the farmer to control and log the actual application rate of the fertilizer or crop protection material. The AgGPS 170 Field Computer uses an agricultural prescription map to output data to a variable rate controller for application rate control. As the material is being applied, the AgGPS 170 records both the GPS position and the applied rate in a data file. Meanwhile, the daylight readable color display shows the vehicle's drive path. With the use of the AgGPS Parallel Swathing Option for guidance, the user drives over the field, covering the extent of the field area while minimizing overlap and skips. The farmer may also create permanent vehicle drive paths, reducing the effects of soil compaction caused by uncontrolled vehicle traffic over the field. These permanent vehicle drive paths may be used, for example, in conjunction with a drip irrigation system to minimize damage to underground drip tape.
The AgGPS 114 DGPS Smart Antenna and AgGPS 70 Remote Display and Logger are expected to be available in Q2 of 2000 through Trimble's Precision Agricultural Systems Dealers.
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 250 U.S. patents on GPS and related technology, with over 200 a dditional 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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