Information for Site Prep’s special product focus on GPS has been provided by the respective manufacturers. For more specifications on their products, visit the Web sites listed under each entry.

Hemisphere GPS

The Hemisphere GPS R220 receiver, built on the new Eclipse platform, offers 39-channel tracking with extremely quick start-up and reacquisition times. RTK is applied for fast, reliable, long-range centimeter-level performance. It tracks GPS, SBAS and L-Band (OmniSTAR HP/XP). It also features Hemisphere GPS' exclusive COAST to provide accurate positioning data during differential correction outages. The R220 GPS receiver provides an extremely accurate, versatile and robust positioning and guidance solution in almost any machine control environment, at a more cost-effective price point than traditional dual-frequency RTK systems. www.hemispheregps.com

Leica Geosystems

Leica Geosystems offers Leica PowerDigger 3D for excavators with a choice of single or dual GNSS solutions for maximum savings and flexibility. PowerDigger 3D adds full 3D positioning to know the grade at any point on the jobsite, reducing layout and staking costs, and eliminating downtime to increase productivity and profits. Leica PowerGrade 3D for graders and dozers supports TPS and GNSS 3D positioning to suit every site and job need. Using Leica Geosystems’ unique PowerSnap concept, the PowerGrade 3D control panel snaps into the PowerGrade 2D system for full 3D capability. A large, bright see-at-a-glance color display provides clear, easy to understand views of the machine and jobsite so operators get on grade faster with less re-handling. www.leica-geosystems.us

SOKKIA

The GSR2700 ISX is SOKKIA’s flexible machine control solution that can be mounted inside or outside of the vehicle’s cab. The GSR27000 ISX offers excellent accuracy, even at long baseline lengths and high data rate output. It integrates with any completely stakeless automatic grading, surveying and excavating system to maximizes performance and precision. The GSR2700 ISX can also be removed from the machine and mounted on a pole for on-the-fly spot measurement for further terrain analysis. The GSR2700 ISX guides machine control to maximize productivity at an affordable price. www.SOKKIA.com

Topcon

Topcon’s new 3D-MC2 GPS system allows a dozer to grade at faster speeds, increase the machine and operator productivity and dramatically impact a contractor’s bottom line It incorporates an advanced inertial sensor and firmware algorithms to operate the 3D control system automatically at speeds two times faster (or more) than current automatic systems. 3D-MC2 provides positional updates of the machine and blade 100 times per second in nine dimensions to provide unmatched stability and responsiveness and allowincreased grade accuracy and speed.3D-MC2 utilizes Topcon G3 technology, which provides access to all available satellite systems now and in the future. www.topconpositioning.com